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[2a02:3100:9589:7c00:3475:142c:c3cb:ba32]) by smtp.googlemail.com with ESMTPSA id t16-20020a5d49d0000000b0031c5b380291sm5174077wrs.110.2023.09.22.12.42.34 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 22 Sep 2023 12:42:34 -0700 (PDT) Message-ID: <71286ba3-27cb-41cb-bb38-2c4e6d2a49f1@gmail.com> Date: Fri, 22 Sep 2023 21:34:13 +0200 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: [PATCH 1/8] i2c: i801: Replace magic value with constant in dmi_check_onboard_devices Content-Language: en-US From: Heiner Kallweit To: Jean Delvare , Andi Shyti Cc: "linux-i2c@vger.kernel.org" References: <0d6a1cdb-39a1-4fad-a6e4-48953619f33b@gmail.com> Autocrypt: addr=hkallweit1@gmail.com; keydata= xsFNBF/0ZFUBEAC0eZyktSE7ZNO1SFXL6cQ4i4g6Ah3mOUIXSB4pCY5kQ6OLKHh0FlOD5/5/ sY7IoIouzOjyFdFPnz4Bl3927ClT567hUJJ+SNaFEiJ9vadI6vZm2gcY4ExdIevYHWe1msJF MVE4yNwdS+UsPeCF/6CQQTzHc+n7DomE7fjJD5J1hOJjqz2XWe71fTvYXzxCFLwXXbBiqDC9 dNqOe5odPsa4TsWZ09T33g5n2nzTJs4Zw8fCy8rLqix/raVsqr8fw5qM66MVtdmEljFaJ9N8 /W56qGCp+H8Igk/F7CjlbWXiOlKHA25mPTmbVp7VlFsvsmMokr/imQr+0nXtmvYVaKEUwY2g 86IU6RAOuA8E0J5bD/BeyZdMyVEtX1kT404UJZekFytJZrDZetwxM/cAH+1fMx4z751WJmxQ J7mIXSPuDfeJhRDt9sGM6aRVfXbZt+wBogxyXepmnlv9K4A13z9DVLdKLrYUiu9/5QEl6fgI kPaXlAZmJsQfoKbmPqCHVRYj1lpQtDM/2/BO6gHASflWUHzwmBVZbS/XRs64uJO8CB3+V3fa cIivllReueGCMsHh6/8wgPAyopXOWOxbLsZ291fmZqIR0L5Y6b2HvdFN1Xhc+YrQ8TKK+Z4R mJRDh0wNQ8Gm89g92/YkHji4jIWlp2fwzCcx5+lZCQ1XdqAiHQARAQABzSZIZWluZXIgS2Fs bHdlaXQgPGhrYWxsd2VpdDFAZ21haWwuY29tPsLBjgQTAQgAOBYhBGxfqY/yOyXjyjJehXLe ig9U8DoMBQJf9GRVAhsDBQsJCAcCBhUKCQgLAgQWAgMBAh4BAheAAAoJEHLeig9U8DoMSycQ AJbfg8HZEK0ljV4M8nvdaiNixWAufrcZ+SD8zhbxl8GispK4F3Yo+20Y3UoZ7FcIidJWUUJL axAOkpI/70YNhlqAPMsuudlAieeYZKjIv1WV5ucNZ3VJ7dC+dlVqQdAr1iD869FZXvy91KhJ wYulyCf+s4T9YgmLC6jLMBZghKIf1uhSd0NzjyCqYWbk2ZxByZHgunEShOhHPHswu3Am0ftt ePaYIHgZs+Vzwfjs8I7EuW/5/f5G9w1vibXxtGY/GXwgGGHRDjFM7RSprGOv4F5eMGh+NFUJ TU9N96PQYMwXVxnQfRXl8O6ffSVmFx4H9rovxWPKobLmqQL0WKLLVvA/aOHCcMKgfyKRcLah 57vGC50Ga8oT2K1g0AhKGkyJo7lGXkMu5yEs0m9O+btqAB261/E3DRxfI1P/tvDZpLJKtq35 dXsj6sjvhgX7VxXhY1wE54uqLLHY3UZQlmH3QF5t80MS7/KhxB1pO1Cpcmkt9hgyzH8+5org +9wWxGUtJWNP7CppY+qvv3SZtKJMKsxqk5coBGwNkMms56z4qfJm2PUtJQGjA65XWdzQACib 2iaDQoBqGZfXRdPT0tC1H5kUJuOX4ll1hI/HBMEFCcO8++Bl2wcrUsAxLzGvhINVJX2DAQaF aNetToazkCnzubKfBOyiTqFJ0b63c5dqziAgzsFNBF/0ZFUBEADF8UEZmKDl1w/UxvjeyAeX kghYkY3bkK6gcIYXdLRfJw12GbvMioSguvVzASVHG8h7NbNjk1yur6AONfbUpXKSNZ0skV8V fG+ppbaY+zQofsSMoj5gP0amwbwvPzVqZCYJai81VobefTX2MZM2Mg/ThBVtGyzV3NeCpnBa 8AX3s9rrX2XUoCibYotbbxx9afZYUFyflOc7kEpc9uJXIdaxS2Z6MnYLHsyVjiU6tzKCiVOU KJevqvzPXJmy0xaOVf7mhFSNQyJTrZpLa+tvB1DQRS08CqYtIMxRrVtC0t0LFeQGly6bOngr ircurWJiJKbSXVstLHgWYiq3/GmCSx/82ObeLO3PftklpRj8d+kFbrvrqBgjWtMH4WtK5uN5 1WJ71hWJfNchKRlaJ3GWy8KolCAoGsQMovn/ZEXxrGs1ndafu47yXOpuDAozoHTBGvuSXSZo ythk/0EAuz5IkwkhYBT1MGIAvNSn9ivE5aRnBazugy0rTRkVggHvt3/7flFHlGVGpBHxFUwb /a4UjJBPtIwa4tWR8B1Ma36S8Jk456k2n1id7M0LQ+eqstmp6Y+UB+pt9NX6t0Slw1NCdYTW gJezWTVKF7pmTdXszXGxlc9kTrVUz04PqPjnYbv5UWuDd2eyzGjrrFOsJEi8OK2d2j4FfF++ AzOMdW09JVqejQARAQABwsF2BBgBCAAgFiEEbF+pj/I7JePKMl6Fct6KD1TwOgwFAl/0ZFUC GwwACgkQct6KD1TwOgxUfg//eAoYc0Vm4NrxymfcY30UjHVD0LgSvU8kUmXxil3qhFPS7KA+ y7tgcKLHOkZkXMX5MLFcS9+SmrAjSBBV8omKoHNo+kfFx/dUAtz0lot8wNGmWb+NcHeKM1eb nwUMOEa1uDdfZeKef/U/2uHBceY7Gc6zPZPWgXghEyQMTH2UhLgeam8yglyO+A6RXCh+s6ak Wje7Vo1wGK4eYxp6pwMPJXLMsI0ii/2k3YPEJPv+yJf90MbYyQSbkTwZhrsokjQEaIfjrIk3 rQRjTve/J62WIO28IbY/mENuGgWehRlTAbhC4BLTZ5uYS0YMQCR7v9UGMWdNWXFyrOB6PjSu Trn9MsPoUc8qI72mVpxEXQDLlrd2ijEWm7Nrf52YMD7hL6rXXuis7R6zY8WnnBhW0uCfhajx q+KuARXC0sDLztcjaS3ayXonpoCPZep2Bd5xqE4Ln8/COCslP7E92W1uf1EcdXXIrx1acg21 H/0Z53okMykVs3a8tECPHIxnre2UxKdTbCEkjkR4V6JyplTS47oWMw3zyI7zkaadfzVFBxk2 lo/Tny+FX1Azea3Ce7oOnRUEZtWSsUidtIjmL8YUQFZYm+JUIgfRmSpMFq8JP4VH43GXpB/S OCrl+/xujzvoUBFV/cHKjEQYBxo+MaiQa1U54ykM2W4DnHb1UiEf5xDkFd4= In-Reply-To: <0d6a1cdb-39a1-4fad-a6e4-48953619f33b@gmail.com> X-Spam-Status: No, score=-1.8 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,FREEMAIL_ENVFROM_END_DIGIT, FREEMAIL_FROM,RCVD_IN_DNSWL_NONE,SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-i2c@vger.kernel.org Replace magic number 10 with the appropriate constant. Signed-off-by: Heiner Kallweit Reviewed-by: Andi Shyti --- drivers/i2c/busses/i2c-i801.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/i2c/busses/i2c-i801.c b/drivers/i2c/busses/i2c-i801.c index a485dc84d..880e98734 100644 --- a/drivers/i2c/busses/i2c-i801.c +++ b/drivers/i2c/busses/i2c-i801.c @@ -1115,7 +1115,7 @@ static void dmi_check_onboard_devices(const struct dmi_header *dm, void *adap) { int i, count; - if (dm->type != 10) + if (dm->type != DMI_ENTRY_ONBOARD_DEVICE) return; count = (dm->length - sizeof(struct dmi_header)) / 2; From patchwork Fri Sep 22 19:35:00 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Heiner Kallweit X-Patchwork-Id: 1838437 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=gmail.com header.i=@gmail.com header.a=rsa-sha256 header.s=20230601 header.b=lgjkthfH; dkim-atps=neutral Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org (client-ip=2620:137:e000::1:20; helo=out1.vger.email; envelope-from=linux-i2c-owner@vger.kernel.org; receiver=patchwork.ozlabs.org) Received: from out1.vger.email (out1.vger.email [IPv6:2620:137:e000::1:20]) by legolas.ozlabs.org (Postfix) with ESMTP id 4RsjNJ4421z1ynt for ; Sat, 23 Sep 2023 05:42:40 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230373AbjIVTmo (ORCPT ); Fri, 22 Sep 2023 15:42:44 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:47818 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229541AbjIVTmo (ORCPT ); Fri, 22 Sep 2023 15:42:44 -0400 Received: from mail-wr1-x42d.google.com (mail-wr1-x42d.google.com [IPv6:2a00:1450:4864:20::42d]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D31C4C1 for ; Fri, 22 Sep 2023 12:42:37 -0700 (PDT) Received: by mail-wr1-x42d.google.com with SMTP id ffacd0b85a97d-3215f19a13aso2610360f8f.3 for ; Fri, 22 Sep 2023 12:42:37 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1695411756; x=1696016556; darn=vger.kernel.org; h=content-transfer-encoding:in-reply-to:autocrypt:references:cc:to :from:content-language:subject:user-agent:mime-version:date :message-id:from:to:cc:subject:date:message-id:reply-to; bh=/TIlUAnIJQI2qk3es/6nOwCf87TBbsLDeequcDWBmd4=; b=lgjkthfHowA6p1+iTHt64hH8UxT1VI7absoA3SBiYAMhBsVlo0IVvsBW0mdFMySS+u TcFG4Nq6hiNSrv1xtKvBEXP5xVtJPeVzjyXvADDPeaTcZn14A6UeZdkWoyKhZsi94UEd ehK/g0JJMEy3OPda9IhVqjUXHS9uM0cYH9Navplgb6+2owOA9eFKS/9QGSg/luQJJ7Vg s3FhDBh5gV0Jqfbs6uGWjpd3r573WyIRGo6vw3RA2kuN/zTroWScEKytjXTw6/C9ytte IOqCI5N5kXtce6vH+HnxmXVuaM5OAndpf7QEta2FOsjZz4o4WiPkRwXp+GaL0dsD+KNl 0teQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1695411756; x=1696016556; h=content-transfer-encoding:in-reply-to:autocrypt:references:cc:to :from:content-language:subject:user-agent:mime-version:date :message-id:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=/TIlUAnIJQI2qk3es/6nOwCf87TBbsLDeequcDWBmd4=; b=H8ivEOOJAJaicP9ScgAoih3Mlb+VvxG2aY50YHJbDQ+nQeIYMgBUMajw+ZUbovEcLe 9EVElJdDiJLfwNYpAp84cfEiZZ656fgTXyJyg1KSUTjzSDn17JKPKUeXdP1zlzu3ZJZx 7ENerzEOtXTYHJ1V0ztRBEcNjpyhIiwdcGos6fbrgKBs61VJl+nKp7VApbM1/Nn3Adon 1nxT0ryPtGvcdWHOduL5r/mfnvXMSsAv0X1Xv+/4VIGzhkMZbPzh618oYwIP3CL84flK hBJCGyaMNQprgM/B1IVaTVtzuWQo38pkmy0Sb8QByKberO67le8Sd5sc8DEqlJFZM8aY Zbtw== X-Gm-Message-State: AOJu0Yxwb0dPcjcXFV18hji6vE/ZwHqmm+KZTAW2Lgc2cbV4FVcxJYFw 4FE+SQpDXysvbYGmPpi5Ryg= X-Google-Smtp-Source: AGHT+IGatLtZfe0lUDxOs5GgFC48Yv3NMIoDaEmVyY8UR0RBohJElt4DhzYZajjxybrYTQItj0hd+w== X-Received: by 2002:a5d:4570:0:b0:31f:d8b3:ea06 with SMTP id a16-20020a5d4570000000b0031fd8b3ea06mr575435wrc.0.1695411755949; Fri, 22 Sep 2023 12:42:35 -0700 (PDT) Received: from ?IPV6:2a02:3100:9589:7c00:3475:142c:c3cb:ba32? 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Signed-off-by: Heiner Kallweit Reviewed-by: Andi Shyti --- drivers/i2c/busses/i2c-i801.c | 10 ++++------ 1 file changed, 4 insertions(+), 6 deletions(-) diff --git a/drivers/i2c/busses/i2c-i801.c b/drivers/i2c/busses/i2c-i801.c index 880e98734..cea8aaba0 100644 --- a/drivers/i2c/busses/i2c-i801.c +++ b/drivers/i2c/busses/i2c-i801.c @@ -1464,8 +1464,7 @@ static inline unsigned int i801_get_adapter_class(struct i801_priv *priv) #endif static struct platform_device * -i801_add_tco_spt(struct i801_priv *priv, struct pci_dev *pci_dev, - struct resource *tco_res) +i801_add_tco_spt(struct pci_dev *pci_dev, struct resource *tco_res) { static const struct itco_wdt_platform_data pldata = { .name = "Intel PCH", @@ -1496,8 +1495,7 @@ i801_add_tco_spt(struct i801_priv *priv, struct pci_dev *pci_dev, } static struct platform_device * -i801_add_tco_cnl(struct i801_priv *priv, struct pci_dev *pci_dev, - struct resource *tco_res) +i801_add_tco_cnl(struct pci_dev *pci_dev, struct resource *tco_res) { static const struct itco_wdt_platform_data pldata = { .name = "Intel PCH", @@ -1537,9 +1535,9 @@ static void i801_add_tco(struct i801_priv *priv) res->flags = IORESOURCE_IO; if (priv->features & FEATURE_TCO_CNL) - priv->tco_pdev = i801_add_tco_cnl(priv, pci_dev, tco_res); + priv->tco_pdev = i801_add_tco_cnl(pci_dev, tco_res); else - priv->tco_pdev = i801_add_tco_spt(priv, pci_dev, tco_res); + priv->tco_pdev = i801_add_tco_spt(pci_dev, tco_res); if (IS_ERR(priv->tco_pdev)) dev_warn(&pci_dev->dev, "failed to create iTCO device\n"); From patchwork Fri Sep 22 19:35:55 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Heiner Kallweit X-Patchwork-Id: 1838438 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=gmail.com header.i=@gmail.com header.a=rsa-sha256 header.s=20230601 header.b=RqkPcxZt; dkim-atps=neutral Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org (client-ip=2620:137:e000::1:20; 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[2a02:3100:9589:7c00:3475:142c:c3cb:ba32]) by smtp.googlemail.com with ESMTPSA id t16-20020a5d49d0000000b0031c5b380291sm5174077wrs.110.2023.09.22.12.42.36 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 22 Sep 2023 12:42:36 -0700 (PDT) Message-ID: <380b592a-cb28-47ef-b110-e2ee6e8550fb@gmail.com> Date: Fri, 22 Sep 2023 21:35:55 +0200 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: [PATCH 3/8] i2c: i801: Use i2c core default adapter timeout Content-Language: en-US From: Heiner Kallweit To: Jean Delvare , Andi Shyti Cc: "linux-i2c@vger.kernel.org" References: <0d6a1cdb-39a1-4fad-a6e4-48953619f33b@gmail.com> Autocrypt: addr=hkallweit1@gmail.com; keydata= xsFNBF/0ZFUBEAC0eZyktSE7ZNO1SFXL6cQ4i4g6Ah3mOUIXSB4pCY5kQ6OLKHh0FlOD5/5/ sY7IoIouzOjyFdFPnz4Bl3927ClT567hUJJ+SNaFEiJ9vadI6vZm2gcY4ExdIevYHWe1msJF MVE4yNwdS+UsPeCF/6CQQTzHc+n7DomE7fjJD5J1hOJjqz2XWe71fTvYXzxCFLwXXbBiqDC9 dNqOe5odPsa4TsWZ09T33g5n2nzTJs4Zw8fCy8rLqix/raVsqr8fw5qM66MVtdmEljFaJ9N8 /W56qGCp+H8Igk/F7CjlbWXiOlKHA25mPTmbVp7VlFsvsmMokr/imQr+0nXtmvYVaKEUwY2g 86IU6RAOuA8E0J5bD/BeyZdMyVEtX1kT404UJZekFytJZrDZetwxM/cAH+1fMx4z751WJmxQ J7mIXSPuDfeJhRDt9sGM6aRVfXbZt+wBogxyXepmnlv9K4A13z9DVLdKLrYUiu9/5QEl6fgI kPaXlAZmJsQfoKbmPqCHVRYj1lpQtDM/2/BO6gHASflWUHzwmBVZbS/XRs64uJO8CB3+V3fa cIivllReueGCMsHh6/8wgPAyopXOWOxbLsZ291fmZqIR0L5Y6b2HvdFN1Xhc+YrQ8TKK+Z4R mJRDh0wNQ8Gm89g92/YkHji4jIWlp2fwzCcx5+lZCQ1XdqAiHQARAQABzSZIZWluZXIgS2Fs bHdlaXQgPGhrYWxsd2VpdDFAZ21haWwuY29tPsLBjgQTAQgAOBYhBGxfqY/yOyXjyjJehXLe ig9U8DoMBQJf9GRVAhsDBQsJCAcCBhUKCQgLAgQWAgMBAh4BAheAAAoJEHLeig9U8DoMSycQ AJbfg8HZEK0ljV4M8nvdaiNixWAufrcZ+SD8zhbxl8GispK4F3Yo+20Y3UoZ7FcIidJWUUJL axAOkpI/70YNhlqAPMsuudlAieeYZKjIv1WV5ucNZ3VJ7dC+dlVqQdAr1iD869FZXvy91KhJ wYulyCf+s4T9YgmLC6jLMBZghKIf1uhSd0NzjyCqYWbk2ZxByZHgunEShOhHPHswu3Am0ftt ePaYIHgZs+Vzwfjs8I7EuW/5/f5G9w1vibXxtGY/GXwgGGHRDjFM7RSprGOv4F5eMGh+NFUJ TU9N96PQYMwXVxnQfRXl8O6ffSVmFx4H9rovxWPKobLmqQL0WKLLVvA/aOHCcMKgfyKRcLah 57vGC50Ga8oT2K1g0AhKGkyJo7lGXkMu5yEs0m9O+btqAB261/E3DRxfI1P/tvDZpLJKtq35 dXsj6sjvhgX7VxXhY1wE54uqLLHY3UZQlmH3QF5t80MS7/KhxB1pO1Cpcmkt9hgyzH8+5org +9wWxGUtJWNP7CppY+qvv3SZtKJMKsxqk5coBGwNkMms56z4qfJm2PUtJQGjA65XWdzQACib 2iaDQoBqGZfXRdPT0tC1H5kUJuOX4ll1hI/HBMEFCcO8++Bl2wcrUsAxLzGvhINVJX2DAQaF aNetToazkCnzubKfBOyiTqFJ0b63c5dqziAgzsFNBF/0ZFUBEADF8UEZmKDl1w/UxvjeyAeX kghYkY3bkK6gcIYXdLRfJw12GbvMioSguvVzASVHG8h7NbNjk1yur6AONfbUpXKSNZ0skV8V fG+ppbaY+zQofsSMoj5gP0amwbwvPzVqZCYJai81VobefTX2MZM2Mg/ThBVtGyzV3NeCpnBa 8AX3s9rrX2XUoCibYotbbxx9afZYUFyflOc7kEpc9uJXIdaxS2Z6MnYLHsyVjiU6tzKCiVOU KJevqvzPXJmy0xaOVf7mhFSNQyJTrZpLa+tvB1DQRS08CqYtIMxRrVtC0t0LFeQGly6bOngr ircurWJiJKbSXVstLHgWYiq3/GmCSx/82ObeLO3PftklpRj8d+kFbrvrqBgjWtMH4WtK5uN5 1WJ71hWJfNchKRlaJ3GWy8KolCAoGsQMovn/ZEXxrGs1ndafu47yXOpuDAozoHTBGvuSXSZo ythk/0EAuz5IkwkhYBT1MGIAvNSn9ivE5aRnBazugy0rTRkVggHvt3/7flFHlGVGpBHxFUwb /a4UjJBPtIwa4tWR8B1Ma36S8Jk456k2n1id7M0LQ+eqstmp6Y+UB+pt9NX6t0Slw1NCdYTW gJezWTVKF7pmTdXszXGxlc9kTrVUz04PqPjnYbv5UWuDd2eyzGjrrFOsJEi8OK2d2j4FfF++ AzOMdW09JVqejQARAQABwsF2BBgBCAAgFiEEbF+pj/I7JePKMl6Fct6KD1TwOgwFAl/0ZFUC GwwACgkQct6KD1TwOgxUfg//eAoYc0Vm4NrxymfcY30UjHVD0LgSvU8kUmXxil3qhFPS7KA+ y7tgcKLHOkZkXMX5MLFcS9+SmrAjSBBV8omKoHNo+kfFx/dUAtz0lot8wNGmWb+NcHeKM1eb nwUMOEa1uDdfZeKef/U/2uHBceY7Gc6zPZPWgXghEyQMTH2UhLgeam8yglyO+A6RXCh+s6ak Wje7Vo1wGK4eYxp6pwMPJXLMsI0ii/2k3YPEJPv+yJf90MbYyQSbkTwZhrsokjQEaIfjrIk3 rQRjTve/J62WIO28IbY/mENuGgWehRlTAbhC4BLTZ5uYS0YMQCR7v9UGMWdNWXFyrOB6PjSu Trn9MsPoUc8qI72mVpxEXQDLlrd2ijEWm7Nrf52YMD7hL6rXXuis7R6zY8WnnBhW0uCfhajx q+KuARXC0sDLztcjaS3ayXonpoCPZep2Bd5xqE4Ln8/COCslP7E92W1uf1EcdXXIrx1acg21 H/0Z53okMykVs3a8tECPHIxnre2UxKdTbCEkjkR4V6JyplTS47oWMw3zyI7zkaadfzVFBxk2 lo/Tny+FX1Azea3Ce7oOnRUEZtWSsUidtIjmL8YUQFZYm+JUIgfRmSpMFq8JP4VH43GXpB/S OCrl+/xujzvoUBFV/cHKjEQYBxo+MaiQa1U54ykM2W4DnHb1UiEf5xDkFd4= In-Reply-To: <0d6a1cdb-39a1-4fad-a6e4-48953619f33b@gmail.com> X-Spam-Status: No, score=-1.8 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,FREEMAIL_ENVFROM_END_DIGIT, FREEMAIL_FROM,RCVD_IN_DNSWL_BLOCKED,SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-i2c@vger.kernel.org I see no need for a driver-specific timeout value, therefore let's go with the i2c core default timeout of 1s set by i2c_register_adapter(). Signed-off-by: Heiner Kallweit --- drivers/i2c/busses/i2c-i801.c | 3 --- 1 file changed, 3 deletions(-) diff --git a/drivers/i2c/busses/i2c-i801.c b/drivers/i2c/busses/i2c-i801.c index cea8aaba0..344544d1f 100644 --- a/drivers/i2c/busses/i2c-i801.c +++ b/drivers/i2c/busses/i2c-i801.c @@ -1707,9 +1707,6 @@ static int i801_probe(struct pci_dev *dev, const struct pci_device_id *id) outb_p(inb_p(SMBAUXCTL(priv)) & ~(SMBAUXCTL_CRC | SMBAUXCTL_E32B), SMBAUXCTL(priv)); - /* Default timeout in interrupt mode: 200 ms */ - priv->adapter.timeout = HZ / 5; - if (dev->irq == IRQ_NOTCONNECTED) priv->features &= ~FEATURE_IRQ; From patchwork Fri Sep 22 19:36:45 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Heiner Kallweit X-Patchwork-Id: 1838439 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=gmail.com header.i=@gmail.com header.a=rsa-sha256 header.s=20230601 header.b=mMhmVNAL; dkim-atps=neutral Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org (client-ip=2620:137:e000::1:20; helo=out1.vger.email; envelope-from=linux-i2c-owner@vger.kernel.org; receiver=patchwork.ozlabs.org) Received: from out1.vger.email (out1.vger.email [IPv6:2620:137:e000::1:20]) by legolas.ozlabs.org (Postfix) with ESMTP id 4RsjNK5pdbz1ynt for ; Sat, 23 Sep 2023 05:42:41 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229495AbjIVTmp (ORCPT ); Fri, 22 Sep 2023 15:42:45 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:47848 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230387AbjIVTmp (ORCPT ); Fri, 22 Sep 2023 15:42:45 -0400 Received: from mail-wm1-x32c.google.com (mail-wm1-x32c.google.com [IPv6:2a00:1450:4864:20::32c]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 649FCAF for ; Fri, 22 Sep 2023 12:42:39 -0700 (PDT) Received: by mail-wm1-x32c.google.com with SMTP id 5b1f17b1804b1-405361bb93bso22499945e9.3 for ; Fri, 22 Sep 2023 12:42:39 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1695411758; x=1696016558; darn=vger.kernel.org; h=content-transfer-encoding:in-reply-to:autocrypt:references:cc:to :from:content-language:subject:user-agent:mime-version:date :message-id:from:to:cc:subject:date:message-id:reply-to; bh=wQ/KIUWIKtcmfID/CkoLXKLoqgABiUJiud/TtNRuPF4=; b=mMhmVNALW5WWwcA+bN5uApHWcwam24ZZmeEFnYkpAe/MFssc4Qgd4oZ+lyj4/Saw6b hEJ5V+oLHUZZBq6wftFy5sN3gsn0YXwREBH9/D9BgeTZZGmBZIVB/Pk+Xz0nkm0qg1y1 YsiThCM7reNNQsU0/MkcZlOaInZZQvatLEhD0oqC+LtjmbD+HrZINLvaVP1Mw4vOcOGS aCKV+VeATa42xWO9O0OjlnlDN87xOkz6u7pXhRqSu/pg8yfIRATQOfAKBjxBFQOUAQTC mg4SfQHmlDAeYAuaorjiarsMszddXilxlRCMAs1a5Jpq3TtUfcQHGVHMSMNXY7pwWAtk ih3Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1695411758; x=1696016558; h=content-transfer-encoding:in-reply-to:autocrypt:references:cc:to :from:content-language:subject:user-agent:mime-version:date :message-id:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=wQ/KIUWIKtcmfID/CkoLXKLoqgABiUJiud/TtNRuPF4=; b=WqgdF6XihI9cTdVNcTAtbS2YgV83Q2Bz7KjEo2ahWP5IPnwRdazUuWVCVpGrL74dcd GLzpS0p83kCsZ5f+ENMfc5BAdKXLLUpV7IxlCN8767nOUTo34fR9iawSV/DsEv0Yjqr6 LMgLCv9NJub5loxm/xyQKZO3nkSxBEM299lEZWoOWcBhrQmzkmlDUmK/EgfL0AzpjkOA VWmTCkEI00RFI5vol8/5ZKG4ahTfKUcgP5KZD8i2IXHGSLebI0fcqqbc/zI7agOaQai/ DVoGIyZBohYoPjkoxDCz/VamkGtKvjvPK+9fkub4CIfWIEctEsZG/plwYtjNshf36zq8 L2Zw== X-Gm-Message-State: AOJu0YwP1B6U5HPSFER53fYVPpHs+F9JYEeql/lnafdcRkHISkdUwwUv Dv2ZFG1obtyNqIf0IqORl6vCNGDRttM= X-Google-Smtp-Source: AGHT+IHQ2knSnTLI8mjPQrpNH0ubIhVjMc/4zMTuqfUWsUemhoP4OoBInbWi6jGX5ioWOYxMgHnnXw== X-Received: by 2002:a7b:c456:0:b0:405:4c3a:796f with SMTP id l22-20020a7bc456000000b004054c3a796fmr274455wmi.2.1695411757561; Fri, 22 Sep 2023 12:42:37 -0700 (PDT) Received: from ?IPV6:2a02:3100:9589:7c00:3475:142c:c3cb:ba32? 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[2a02:3100:9589:7c00:3475:142c:c3cb:ba32]) by smtp.googlemail.com with ESMTPSA id t16-20020a5d49d0000000b0031c5b380291sm5174077wrs.110.2023.09.22.12.42.36 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 22 Sep 2023 12:42:37 -0700 (PDT) Message-ID: Date: Fri, 22 Sep 2023 21:36:45 +0200 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: [PATCH 4/8] i2c: i801: Define FEATURES_ICH5 as an extension of FEATURES_ICH4 Content-Language: en-US From: Heiner Kallweit To: Jean Delvare , Andi Shyti Cc: "linux-i2c@vger.kernel.org" References: <0d6a1cdb-39a1-4fad-a6e4-48953619f33b@gmail.com> Autocrypt: addr=hkallweit1@gmail.com; keydata= xsFNBF/0ZFUBEAC0eZyktSE7ZNO1SFXL6cQ4i4g6Ah3mOUIXSB4pCY5kQ6OLKHh0FlOD5/5/ sY7IoIouzOjyFdFPnz4Bl3927ClT567hUJJ+SNaFEiJ9vadI6vZm2gcY4ExdIevYHWe1msJF MVE4yNwdS+UsPeCF/6CQQTzHc+n7DomE7fjJD5J1hOJjqz2XWe71fTvYXzxCFLwXXbBiqDC9 dNqOe5odPsa4TsWZ09T33g5n2nzTJs4Zw8fCy8rLqix/raVsqr8fw5qM66MVtdmEljFaJ9N8 /W56qGCp+H8Igk/F7CjlbWXiOlKHA25mPTmbVp7VlFsvsmMokr/imQr+0nXtmvYVaKEUwY2g 86IU6RAOuA8E0J5bD/BeyZdMyVEtX1kT404UJZekFytJZrDZetwxM/cAH+1fMx4z751WJmxQ J7mIXSPuDfeJhRDt9sGM6aRVfXbZt+wBogxyXepmnlv9K4A13z9DVLdKLrYUiu9/5QEl6fgI kPaXlAZmJsQfoKbmPqCHVRYj1lpQtDM/2/BO6gHASflWUHzwmBVZbS/XRs64uJO8CB3+V3fa cIivllReueGCMsHh6/8wgPAyopXOWOxbLsZ291fmZqIR0L5Y6b2HvdFN1Xhc+YrQ8TKK+Z4R mJRDh0wNQ8Gm89g92/YkHji4jIWlp2fwzCcx5+lZCQ1XdqAiHQARAQABzSZIZWluZXIgS2Fs bHdlaXQgPGhrYWxsd2VpdDFAZ21haWwuY29tPsLBjgQTAQgAOBYhBGxfqY/yOyXjyjJehXLe ig9U8DoMBQJf9GRVAhsDBQsJCAcCBhUKCQgLAgQWAgMBAh4BAheAAAoJEHLeig9U8DoMSycQ AJbfg8HZEK0ljV4M8nvdaiNixWAufrcZ+SD8zhbxl8GispK4F3Yo+20Y3UoZ7FcIidJWUUJL axAOkpI/70YNhlqAPMsuudlAieeYZKjIv1WV5ucNZ3VJ7dC+dlVqQdAr1iD869FZXvy91KhJ wYulyCf+s4T9YgmLC6jLMBZghKIf1uhSd0NzjyCqYWbk2ZxByZHgunEShOhHPHswu3Am0ftt ePaYIHgZs+Vzwfjs8I7EuW/5/f5G9w1vibXxtGY/GXwgGGHRDjFM7RSprGOv4F5eMGh+NFUJ TU9N96PQYMwXVxnQfRXl8O6ffSVmFx4H9rovxWPKobLmqQL0WKLLVvA/aOHCcMKgfyKRcLah 57vGC50Ga8oT2K1g0AhKGkyJo7lGXkMu5yEs0m9O+btqAB261/E3DRxfI1P/tvDZpLJKtq35 dXsj6sjvhgX7VxXhY1wE54uqLLHY3UZQlmH3QF5t80MS7/KhxB1pO1Cpcmkt9hgyzH8+5org +9wWxGUtJWNP7CppY+qvv3SZtKJMKsxqk5coBGwNkMms56z4qfJm2PUtJQGjA65XWdzQACib 2iaDQoBqGZfXRdPT0tC1H5kUJuOX4ll1hI/HBMEFCcO8++Bl2wcrUsAxLzGvhINVJX2DAQaF aNetToazkCnzubKfBOyiTqFJ0b63c5dqziAgzsFNBF/0ZFUBEADF8UEZmKDl1w/UxvjeyAeX kghYkY3bkK6gcIYXdLRfJw12GbvMioSguvVzASVHG8h7NbNjk1yur6AONfbUpXKSNZ0skV8V fG+ppbaY+zQofsSMoj5gP0amwbwvPzVqZCYJai81VobefTX2MZM2Mg/ThBVtGyzV3NeCpnBa 8AX3s9rrX2XUoCibYotbbxx9afZYUFyflOc7kEpc9uJXIdaxS2Z6MnYLHsyVjiU6tzKCiVOU KJevqvzPXJmy0xaOVf7mhFSNQyJTrZpLa+tvB1DQRS08CqYtIMxRrVtC0t0LFeQGly6bOngr ircurWJiJKbSXVstLHgWYiq3/GmCSx/82ObeLO3PftklpRj8d+kFbrvrqBgjWtMH4WtK5uN5 1WJ71hWJfNchKRlaJ3GWy8KolCAoGsQMovn/ZEXxrGs1ndafu47yXOpuDAozoHTBGvuSXSZo ythk/0EAuz5IkwkhYBT1MGIAvNSn9ivE5aRnBazugy0rTRkVggHvt3/7flFHlGVGpBHxFUwb /a4UjJBPtIwa4tWR8B1Ma36S8Jk456k2n1id7M0LQ+eqstmp6Y+UB+pt9NX6t0Slw1NCdYTW gJezWTVKF7pmTdXszXGxlc9kTrVUz04PqPjnYbv5UWuDd2eyzGjrrFOsJEi8OK2d2j4FfF++ AzOMdW09JVqejQARAQABwsF2BBgBCAAgFiEEbF+pj/I7JePKMl6Fct6KD1TwOgwFAl/0ZFUC GwwACgkQct6KD1TwOgxUfg//eAoYc0Vm4NrxymfcY30UjHVD0LgSvU8kUmXxil3qhFPS7KA+ y7tgcKLHOkZkXMX5MLFcS9+SmrAjSBBV8omKoHNo+kfFx/dUAtz0lot8wNGmWb+NcHeKM1eb nwUMOEa1uDdfZeKef/U/2uHBceY7Gc6zPZPWgXghEyQMTH2UhLgeam8yglyO+A6RXCh+s6ak Wje7Vo1wGK4eYxp6pwMPJXLMsI0ii/2k3YPEJPv+yJf90MbYyQSbkTwZhrsokjQEaIfjrIk3 rQRjTve/J62WIO28IbY/mENuGgWehRlTAbhC4BLTZ5uYS0YMQCR7v9UGMWdNWXFyrOB6PjSu Trn9MsPoUc8qI72mVpxEXQDLlrd2ijEWm7Nrf52YMD7hL6rXXuis7R6zY8WnnBhW0uCfhajx q+KuARXC0sDLztcjaS3ayXonpoCPZep2Bd5xqE4Ln8/COCslP7E92W1uf1EcdXXIrx1acg21 H/0Z53okMykVs3a8tECPHIxnre2UxKdTbCEkjkR4V6JyplTS47oWMw3zyI7zkaadfzVFBxk2 lo/Tny+FX1Azea3Ce7oOnRUEZtWSsUidtIjmL8YUQFZYm+JUIgfRmSpMFq8JP4VH43GXpB/S OCrl+/xujzvoUBFV/cHKjEQYBxo+MaiQa1U54ykM2W4DnHb1UiEf5xDkFd4= In-Reply-To: <0d6a1cdb-39a1-4fad-a6e4-48953619f33b@gmail.com> X-Spam-Status: No, score=-1.8 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,FREEMAIL_ENVFROM_END_DIGIT, FREEMAIL_FROM,RCVD_IN_DNSWL_BLOCKED,SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-i2c@vger.kernel.org This change simplifies the code a little and makes clearer that the ICH5 feature set is an extension of the ICH4 feature set. Signed-off-by: Heiner Kallweit Reviewed-by: Andi Shyti --- drivers/i2c/busses/i2c-i801.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/drivers/i2c/busses/i2c-i801.c b/drivers/i2c/busses/i2c-i801.c index 344544d1f..a300c66b4 100644 --- a/drivers/i2c/busses/i2c-i801.c +++ b/drivers/i2c/busses/i2c-i801.c @@ -968,11 +968,10 @@ static const struct i2c_algorithm smbus_algorithm = { .functionality = i801_func, }; -#define FEATURES_ICH5 (FEATURE_BLOCK_PROC | FEATURE_I2C_BLOCK_READ | \ - FEATURE_IRQ | FEATURE_SMBUS_PEC | \ - FEATURE_BLOCK_BUFFER | FEATURE_HOST_NOTIFY) #define FEATURES_ICH4 (FEATURE_SMBUS_PEC | FEATURE_BLOCK_BUFFER | \ FEATURE_HOST_NOTIFY) +#define FEATURES_ICH5 (FEATURES_ICH4 | FEATURE_BLOCK_PROC | \ + FEATURE_I2C_BLOCK_READ | FEATURE_IRQ) static const struct pci_device_id i801_ids[] = { { PCI_DEVICE_DATA(INTEL, 82801AA_3, 0) }, From patchwork Fri Sep 22 19:37:35 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Heiner Kallweit X-Patchwork-Id: 1838440 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=gmail.com header.i=@gmail.com header.a=rsa-sha256 header.s=20230601 header.b=SrFTpbQh; dkim-atps=neutral Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org (client-ip=2620:137:e000::1:20; helo=out1.vger.email; envelope-from=linux-i2c-owner@vger.kernel.org; receiver=patchwork.ozlabs.org) Received: from out1.vger.email (out1.vger.email [IPv6:2620:137:e000::1:20]) by legolas.ozlabs.org (Postfix) with ESMTP id 4RsjNL456wz1yh6 for ; Sat, 23 Sep 2023 05:42:42 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230387AbjIVTmq (ORCPT ); Fri, 22 Sep 2023 15:42:46 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:47850 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230403AbjIVTmq (ORCPT ); Fri, 22 Sep 2023 15:42:46 -0400 Received: from mail-wr1-x42d.google.com (mail-wr1-x42d.google.com [IPv6:2a00:1450:4864:20::42d]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id EB178AC for ; Fri, 22 Sep 2023 12:42:39 -0700 (PDT) Received: by mail-wr1-x42d.google.com with SMTP id ffacd0b85a97d-307d58b3efbso2426248f8f.0 for ; Fri, 22 Sep 2023 12:42:39 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1695411758; x=1696016558; darn=vger.kernel.org; h=content-transfer-encoding:in-reply-to:autocrypt:references:cc:to :from:content-language:subject:user-agent:mime-version:date :message-id:from:to:cc:subject:date:message-id:reply-to; bh=uSenmJ9Las4g9YYe7bPAC0RcvkYFnxV4buUqt3EN5Dk=; b=SrFTpbQhgu5BcVZI92HUvKzxYGzyYMF2/Rmi5TJzHpZqfPsVMfsRRxMyegawtJDrO5 cKTJixqSDh3zHCZuyych0oOlf/NDWUfkioDGRkLJVI8sgFj1uvgoXPTSjTnDx2oKSY1p HKLTe2SEDAjJHfypNc31DsvGJ+fFv3/9jMcCaDvn5XD1l32K81oL3zfiVEVdPU5iPXQA GNwLQ78wtEN0La5CY5t3i3WO711gapHmDYhFwn3Qs4m3piyE+j82ukM+Gtsx2pU42PeZ vq9ISt57GsXJxx7rx5FVJLXtErBNXfiFD8O1hlHPeXwfam1uH70QvkCzcu3nhpcnFTMq vCmg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1695411758; x=1696016558; h=content-transfer-encoding:in-reply-to:autocrypt:references:cc:to :from:content-language:subject:user-agent:mime-version:date :message-id:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=uSenmJ9Las4g9YYe7bPAC0RcvkYFnxV4buUqt3EN5Dk=; b=t6dct1ogOtmqlqiz2HZCQGkHIgnHR+tu8BaZT6JwKjyNWkEZ+QvT7m7g/wEX7/cGiu dpOvBzXdLEpvz1BBJ/WTqY0EELRU9PIMB26HRyg0YmQG0I/nMIQqN5EEzW+eR1e+dByZ 2sk++Iuw+18A+sybJbpTvPUjSgdDNSXY/G6Pix3Jqm6koqCSM2todK66cRe5C3rfVrMV p1UUYCC/ZvoOGBEp1wW+Hg1TmjgI5XC2cHObZVV0WYdGBZPIlVziq1XPkIX16r7irn7v w1/5wuazH4jVzvfsoEAI9D8PIPfFpdlvf8yLqusvdSAD9ycbaw8ofbPCbtXGB0ONbpot ahng== X-Gm-Message-State: AOJu0YywJbiGR76EVYnZXxeIKsrah09LtU7ryqh5diGG9eQg4m3H3jqM iv7jiUoGEjqMyWnvA0bY1t93TlYYPNw= X-Google-Smtp-Source: AGHT+IHVfXqGzhUKu9k/yB3HSB2A/49HrU61YvnwnBLvo2Y1aUzo8b/7TpQsQbizhZAoqHxaiNsbTg== X-Received: by 2002:a5d:6084:0:b0:318:7bd:349e with SMTP id w4-20020a5d6084000000b0031807bd349emr609143wrt.29.1695411758287; Fri, 22 Sep 2023 12:42:38 -0700 (PDT) Received: from ?IPV6:2a02:3100:9589:7c00:3475:142c:c3cb:ba32? 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[2a02:3100:9589:7c00:3475:142c:c3cb:ba32]) by smtp.googlemail.com with ESMTPSA id t16-20020a5d49d0000000b0031c5b380291sm5174077wrs.110.2023.09.22.12.42.37 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 22 Sep 2023 12:42:37 -0700 (PDT) Message-ID: <01fb032a-7b6f-4db3-a273-30a017d4e58c@gmail.com> Date: Fri, 22 Sep 2023 21:37:35 +0200 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: [PATCH 5/8] i2c: i801: Add helper i801_check_and_clear_pec_error Content-Language: en-US From: Heiner Kallweit To: Jean Delvare , Andi Shyti Cc: "linux-i2c@vger.kernel.org" References: <0d6a1cdb-39a1-4fad-a6e4-48953619f33b@gmail.com> Autocrypt: addr=hkallweit1@gmail.com; keydata= xsFNBF/0ZFUBEAC0eZyktSE7ZNO1SFXL6cQ4i4g6Ah3mOUIXSB4pCY5kQ6OLKHh0FlOD5/5/ sY7IoIouzOjyFdFPnz4Bl3927ClT567hUJJ+SNaFEiJ9vadI6vZm2gcY4ExdIevYHWe1msJF MVE4yNwdS+UsPeCF/6CQQTzHc+n7DomE7fjJD5J1hOJjqz2XWe71fTvYXzxCFLwXXbBiqDC9 dNqOe5odPsa4TsWZ09T33g5n2nzTJs4Zw8fCy8rLqix/raVsqr8fw5qM66MVtdmEljFaJ9N8 /W56qGCp+H8Igk/F7CjlbWXiOlKHA25mPTmbVp7VlFsvsmMokr/imQr+0nXtmvYVaKEUwY2g 86IU6RAOuA8E0J5bD/BeyZdMyVEtX1kT404UJZekFytJZrDZetwxM/cAH+1fMx4z751WJmxQ J7mIXSPuDfeJhRDt9sGM6aRVfXbZt+wBogxyXepmnlv9K4A13z9DVLdKLrYUiu9/5QEl6fgI kPaXlAZmJsQfoKbmPqCHVRYj1lpQtDM/2/BO6gHASflWUHzwmBVZbS/XRs64uJO8CB3+V3fa cIivllReueGCMsHh6/8wgPAyopXOWOxbLsZ291fmZqIR0L5Y6b2HvdFN1Xhc+YrQ8TKK+Z4R mJRDh0wNQ8Gm89g92/YkHji4jIWlp2fwzCcx5+lZCQ1XdqAiHQARAQABzSZIZWluZXIgS2Fs bHdlaXQgPGhrYWxsd2VpdDFAZ21haWwuY29tPsLBjgQTAQgAOBYhBGxfqY/yOyXjyjJehXLe ig9U8DoMBQJf9GRVAhsDBQsJCAcCBhUKCQgLAgQWAgMBAh4BAheAAAoJEHLeig9U8DoMSycQ AJbfg8HZEK0ljV4M8nvdaiNixWAufrcZ+SD8zhbxl8GispK4F3Yo+20Y3UoZ7FcIidJWUUJL axAOkpI/70YNhlqAPMsuudlAieeYZKjIv1WV5ucNZ3VJ7dC+dlVqQdAr1iD869FZXvy91KhJ wYulyCf+s4T9YgmLC6jLMBZghKIf1uhSd0NzjyCqYWbk2ZxByZHgunEShOhHPHswu3Am0ftt ePaYIHgZs+Vzwfjs8I7EuW/5/f5G9w1vibXxtGY/GXwgGGHRDjFM7RSprGOv4F5eMGh+NFUJ TU9N96PQYMwXVxnQfRXl8O6ffSVmFx4H9rovxWPKobLmqQL0WKLLVvA/aOHCcMKgfyKRcLah 57vGC50Ga8oT2K1g0AhKGkyJo7lGXkMu5yEs0m9O+btqAB261/E3DRxfI1P/tvDZpLJKtq35 dXsj6sjvhgX7VxXhY1wE54uqLLHY3UZQlmH3QF5t80MS7/KhxB1pO1Cpcmkt9hgyzH8+5org +9wWxGUtJWNP7CppY+qvv3SZtKJMKsxqk5coBGwNkMms56z4qfJm2PUtJQGjA65XWdzQACib 2iaDQoBqGZfXRdPT0tC1H5kUJuOX4ll1hI/HBMEFCcO8++Bl2wcrUsAxLzGvhINVJX2DAQaF aNetToazkCnzubKfBOyiTqFJ0b63c5dqziAgzsFNBF/0ZFUBEADF8UEZmKDl1w/UxvjeyAeX kghYkY3bkK6gcIYXdLRfJw12GbvMioSguvVzASVHG8h7NbNjk1yur6AONfbUpXKSNZ0skV8V fG+ppbaY+zQofsSMoj5gP0amwbwvPzVqZCYJai81VobefTX2MZM2Mg/ThBVtGyzV3NeCpnBa 8AX3s9rrX2XUoCibYotbbxx9afZYUFyflOc7kEpc9uJXIdaxS2Z6MnYLHsyVjiU6tzKCiVOU KJevqvzPXJmy0xaOVf7mhFSNQyJTrZpLa+tvB1DQRS08CqYtIMxRrVtC0t0LFeQGly6bOngr ircurWJiJKbSXVstLHgWYiq3/GmCSx/82ObeLO3PftklpRj8d+kFbrvrqBgjWtMH4WtK5uN5 1WJ71hWJfNchKRlaJ3GWy8KolCAoGsQMovn/ZEXxrGs1ndafu47yXOpuDAozoHTBGvuSXSZo ythk/0EAuz5IkwkhYBT1MGIAvNSn9ivE5aRnBazugy0rTRkVggHvt3/7flFHlGVGpBHxFUwb /a4UjJBPtIwa4tWR8B1Ma36S8Jk456k2n1id7M0LQ+eqstmp6Y+UB+pt9NX6t0Slw1NCdYTW gJezWTVKF7pmTdXszXGxlc9kTrVUz04PqPjnYbv5UWuDd2eyzGjrrFOsJEi8OK2d2j4FfF++ AzOMdW09JVqejQARAQABwsF2BBgBCAAgFiEEbF+pj/I7JePKMl6Fct6KD1TwOgwFAl/0ZFUC GwwACgkQct6KD1TwOgxUfg//eAoYc0Vm4NrxymfcY30UjHVD0LgSvU8kUmXxil3qhFPS7KA+ y7tgcKLHOkZkXMX5MLFcS9+SmrAjSBBV8omKoHNo+kfFx/dUAtz0lot8wNGmWb+NcHeKM1eb nwUMOEa1uDdfZeKef/U/2uHBceY7Gc6zPZPWgXghEyQMTH2UhLgeam8yglyO+A6RXCh+s6ak Wje7Vo1wGK4eYxp6pwMPJXLMsI0ii/2k3YPEJPv+yJf90MbYyQSbkTwZhrsokjQEaIfjrIk3 rQRjTve/J62WIO28IbY/mENuGgWehRlTAbhC4BLTZ5uYS0YMQCR7v9UGMWdNWXFyrOB6PjSu Trn9MsPoUc8qI72mVpxEXQDLlrd2ijEWm7Nrf52YMD7hL6rXXuis7R6zY8WnnBhW0uCfhajx q+KuARXC0sDLztcjaS3ayXonpoCPZep2Bd5xqE4Ln8/COCslP7E92W1uf1EcdXXIrx1acg21 H/0Z53okMykVs3a8tECPHIxnre2UxKdTbCEkjkR4V6JyplTS47oWMw3zyI7zkaadfzVFBxk2 lo/Tny+FX1Azea3Ce7oOnRUEZtWSsUidtIjmL8YUQFZYm+JUIgfRmSpMFq8JP4VH43GXpB/S OCrl+/xujzvoUBFV/cHKjEQYBxo+MaiQa1U54ykM2W4DnHb1UiEf5xDkFd4= In-Reply-To: <0d6a1cdb-39a1-4fad-a6e4-48953619f33b@gmail.com> X-Spam-Status: No, score=-1.8 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,FREEMAIL_ENVFROM_END_DIGIT, FREEMAIL_FROM,RCVD_IN_DNSWL_BLOCKED,SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-i2c@vger.kernel.org Avoid code duplication and factor out checking and clearing PEC error bit to new helper i801_check_and_clear_pec_error(). Signed-off-by: Heiner Kallweit Reviewed-by: Andi Shyti --- drivers/i2c/busses/i2c-i801.c | 38 ++++++++++++++++++++++------------- 1 file changed, 24 insertions(+), 14 deletions(-) diff --git a/drivers/i2c/busses/i2c-i801.c b/drivers/i2c/busses/i2c-i801.c index a300c66b4..915dd07e1 100644 --- a/drivers/i2c/busses/i2c-i801.c +++ b/drivers/i2c/busses/i2c-i801.c @@ -327,11 +327,27 @@ MODULE_PARM_DESC(disable_features, "Disable selected driver features:\n" "\t\t 0x10 don't use interrupts\n" "\t\t 0x20 disable SMBus Host Notify "); +static int i801_check_and_clear_pec_error(struct i801_priv *priv) +{ + u8 status; + + if (!(priv->features & FEATURE_SMBUS_PEC)) + return 0; + + status = inb_p(SMBAUXSTS(priv)) & SMBAUXSTS_CRCE; + if (status) { + outb_p(status, SMBAUXSTS(priv)); + return -EBADMSG; + } + + return 0; +} + /* Make sure the SMBus host is ready to start transmitting. Return 0 if it is, -EBUSY if it is not. */ static int i801_check_pre(struct i801_priv *priv) { - int status; + int status, result; status = inb_p(SMBHSTSTS(priv)); if (status & SMBHSTSTS_HOST_BUSY) { @@ -352,13 +368,9 @@ static int i801_check_pre(struct i801_priv *priv) * the hardware was already in this state when the driver * started. */ - if (priv->features & FEATURE_SMBUS_PEC) { - status = inb_p(SMBAUXSTS(priv)) & SMBAUXSTS_CRCE; - if (status) { - pci_dbg(priv->pci_dev, "Clearing aux status flags (%02x)\n", status); - outb_p(status, SMBAUXSTS(priv)); - } - } + result = i801_check_and_clear_pec_error(priv); + if (result) + pci_dbg(priv->pci_dev, "Clearing aux status flag CRCE\n"); return 0; } @@ -407,14 +419,12 @@ static int i801_check_post(struct i801_priv *priv, int status) * bit is harmless as long as it's cleared before * the next operation. */ - if ((priv->features & FEATURE_SMBUS_PEC) && - (inb_p(SMBAUXSTS(priv)) & SMBAUXSTS_CRCE)) { - outb_p(SMBAUXSTS_CRCE, SMBAUXSTS(priv)); - result = -EBADMSG; - dev_dbg(&priv->pci_dev->dev, "PEC error\n"); + result = i801_check_and_clear_pec_error(priv); + if (result) { + pci_dbg(priv->pci_dev, "PEC error\n"); } else { result = -ENXIO; - dev_dbg(&priv->pci_dev->dev, "No response\n"); + pci_dbg(priv->pci_dev, "No response\n"); } } if (status & SMBHSTSTS_BUS_ERR) { From patchwork Fri Sep 22 19:38:38 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Heiner Kallweit X-Patchwork-Id: 1838441 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=gmail.com header.i=@gmail.com header.a=rsa-sha256 header.s=20230601 header.b=QD3CV51U; dkim-atps=neutral Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org (client-ip=2620:137:e000::1:20; helo=out1.vger.email; envelope-from=linux-i2c-owner@vger.kernel.org; receiver=patchwork.ozlabs.org) Received: from out1.vger.email (out1.vger.email [IPv6:2620:137:e000::1:20]) by legolas.ozlabs.org (Postfix) with ESMTP id 4RsjNN39dlz1yh6 for ; Sat, 23 Sep 2023 05:42:44 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230403AbjIVTms (ORCPT ); Fri, 22 Sep 2023 15:42:48 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:47866 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231267AbjIVTmr (ORCPT ); Fri, 22 Sep 2023 15:42:47 -0400 Received: from mail-wm1-x335.google.com (mail-wm1-x335.google.com [IPv6:2a00:1450:4864:20::335]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 16F86AF for ; Fri, 22 Sep 2023 12:42:41 -0700 (PDT) Received: by mail-wm1-x335.google.com with SMTP id 5b1f17b1804b1-405361bb94eso24393245e9.0 for ; Fri, 22 Sep 2023 12:42:41 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1695411759; x=1696016559; darn=vger.kernel.org; h=content-transfer-encoding:in-reply-to:autocrypt:references:cc:to :from:content-language:subject:user-agent:mime-version:date :message-id:from:to:cc:subject:date:message-id:reply-to; bh=lWafzEIfMrQEGeQs2J6Vt2FOFxo0Tc0vzGxskDyqNtg=; b=QD3CV51Uka80sX/U9dQpHsLVIJ0IXDQKGyRJcQrXaCgtOief+/ATxA6AXbgvT5Avw9 xccDTAvunP0mCyUv01jd6HnRs5FethOH6o2dzn9SBmmvYUKpAgmZCP7LgKmlpLgUUrcF kd1CagPag7LxC/z7+9sOOOK/+TYRnqyVBC98Ol/NBfOzGAIYjgo53vkIwcw3k29pRxKk yqNXSKpAs+r1ZIrgEcmvyQWq3fTtzFzP3xf2DPb2a7O3MJME9nsVSC84uGRxzEHHNQLi /aXFzCFDHXut9THnmvDW8mFSk0BZYscEslVFXMTj09bEtIHhYgHrOMDOZXB4drktjJWG DiIQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1695411759; x=1696016559; h=content-transfer-encoding:in-reply-to:autocrypt:references:cc:to :from:content-language:subject:user-agent:mime-version:date :message-id:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=lWafzEIfMrQEGeQs2J6Vt2FOFxo0Tc0vzGxskDyqNtg=; b=Nvgv5PIKtcA4frbAOuHI9uJn8byHfjPXwMCZSMZwSKT39Epoi9iJvtaDQnQPoL1BLf Yitx9yEOzu6gWhnat95OCxYcrbQijuR7e0zn8O6+WCfn4upM7XW4LYBEtbo9szBRMGit 7yQyXucKAHaUjL+Secli5e8LjtumiE08a8TwTcPMNDady3V9qJbWf+pY8nvPjiHrKNNw A7vyomPBK0tkPCcnYB2jlRsNV7p8FCOzj8zTcTeMOym1VIdZ7ySLcZzNRZxTawc841tw avDo/o16EE1HHZ3I7REyaM8zsF1I4wTApq+odw/c+Rmae5ULjEB5io9lkLBVrkiy9QHw yH8Q== X-Gm-Message-State: AOJu0YwWxETQmvNRc+kRIcoLe21tnpbcnwaBNRPZ39rd1kr8u2eUoqFi 2KC9HXALvP6LZIZ9hVaBXQQCWmZ3iTQ= X-Google-Smtp-Source: AGHT+IFg86TAzaTuY+md0PkChoQno+hdXagBXXB0xGfP3MEg7vkVRIM6v3akZNzYpw206vvYW2Gaiw== X-Received: by 2002:a05:600c:216:b0:3f7:f2d0:b904 with SMTP id 22-20020a05600c021600b003f7f2d0b904mr278957wmi.8.1695411759381; Fri, 22 Sep 2023 12:42:39 -0700 (PDT) Received: from ?IPV6:2a02:3100:9589:7c00:3475:142c:c3cb:ba32? 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[2a02:3100:9589:7c00:3475:142c:c3cb:ba32]) by smtp.googlemail.com with ESMTPSA id t16-20020a5d49d0000000b0031c5b380291sm5174077wrs.110.2023.09.22.12.42.38 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 22 Sep 2023 12:42:38 -0700 (PDT) Message-ID: Date: Fri, 22 Sep 2023 21:38:38 +0200 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: [PATCH 6/8] i2c: i801: Split i801_block_transaction Content-Language: en-US From: Heiner Kallweit To: Jean Delvare , Andi Shyti Cc: "linux-i2c@vger.kernel.org" References: <0d6a1cdb-39a1-4fad-a6e4-48953619f33b@gmail.com> Autocrypt: addr=hkallweit1@gmail.com; keydata= xsFNBF/0ZFUBEAC0eZyktSE7ZNO1SFXL6cQ4i4g6Ah3mOUIXSB4pCY5kQ6OLKHh0FlOD5/5/ sY7IoIouzOjyFdFPnz4Bl3927ClT567hUJJ+SNaFEiJ9vadI6vZm2gcY4ExdIevYHWe1msJF MVE4yNwdS+UsPeCF/6CQQTzHc+n7DomE7fjJD5J1hOJjqz2XWe71fTvYXzxCFLwXXbBiqDC9 dNqOe5odPsa4TsWZ09T33g5n2nzTJs4Zw8fCy8rLqix/raVsqr8fw5qM66MVtdmEljFaJ9N8 /W56qGCp+H8Igk/F7CjlbWXiOlKHA25mPTmbVp7VlFsvsmMokr/imQr+0nXtmvYVaKEUwY2g 86IU6RAOuA8E0J5bD/BeyZdMyVEtX1kT404UJZekFytJZrDZetwxM/cAH+1fMx4z751WJmxQ J7mIXSPuDfeJhRDt9sGM6aRVfXbZt+wBogxyXepmnlv9K4A13z9DVLdKLrYUiu9/5QEl6fgI kPaXlAZmJsQfoKbmPqCHVRYj1lpQtDM/2/BO6gHASflWUHzwmBVZbS/XRs64uJO8CB3+V3fa cIivllReueGCMsHh6/8wgPAyopXOWOxbLsZ291fmZqIR0L5Y6b2HvdFN1Xhc+YrQ8TKK+Z4R mJRDh0wNQ8Gm89g92/YkHji4jIWlp2fwzCcx5+lZCQ1XdqAiHQARAQABzSZIZWluZXIgS2Fs bHdlaXQgPGhrYWxsd2VpdDFAZ21haWwuY29tPsLBjgQTAQgAOBYhBGxfqY/yOyXjyjJehXLe ig9U8DoMBQJf9GRVAhsDBQsJCAcCBhUKCQgLAgQWAgMBAh4BAheAAAoJEHLeig9U8DoMSycQ AJbfg8HZEK0ljV4M8nvdaiNixWAufrcZ+SD8zhbxl8GispK4F3Yo+20Y3UoZ7FcIidJWUUJL axAOkpI/70YNhlqAPMsuudlAieeYZKjIv1WV5ucNZ3VJ7dC+dlVqQdAr1iD869FZXvy91KhJ wYulyCf+s4T9YgmLC6jLMBZghKIf1uhSd0NzjyCqYWbk2ZxByZHgunEShOhHPHswu3Am0ftt ePaYIHgZs+Vzwfjs8I7EuW/5/f5G9w1vibXxtGY/GXwgGGHRDjFM7RSprGOv4F5eMGh+NFUJ TU9N96PQYMwXVxnQfRXl8O6ffSVmFx4H9rovxWPKobLmqQL0WKLLVvA/aOHCcMKgfyKRcLah 57vGC50Ga8oT2K1g0AhKGkyJo7lGXkMu5yEs0m9O+btqAB261/E3DRxfI1P/tvDZpLJKtq35 dXsj6sjvhgX7VxXhY1wE54uqLLHY3UZQlmH3QF5t80MS7/KhxB1pO1Cpcmkt9hgyzH8+5org +9wWxGUtJWNP7CppY+qvv3SZtKJMKsxqk5coBGwNkMms56z4qfJm2PUtJQGjA65XWdzQACib 2iaDQoBqGZfXRdPT0tC1H5kUJuOX4ll1hI/HBMEFCcO8++Bl2wcrUsAxLzGvhINVJX2DAQaF aNetToazkCnzubKfBOyiTqFJ0b63c5dqziAgzsFNBF/0ZFUBEADF8UEZmKDl1w/UxvjeyAeX kghYkY3bkK6gcIYXdLRfJw12GbvMioSguvVzASVHG8h7NbNjk1yur6AONfbUpXKSNZ0skV8V fG+ppbaY+zQofsSMoj5gP0amwbwvPzVqZCYJai81VobefTX2MZM2Mg/ThBVtGyzV3NeCpnBa 8AX3s9rrX2XUoCibYotbbxx9afZYUFyflOc7kEpc9uJXIdaxS2Z6MnYLHsyVjiU6tzKCiVOU KJevqvzPXJmy0xaOVf7mhFSNQyJTrZpLa+tvB1DQRS08CqYtIMxRrVtC0t0LFeQGly6bOngr ircurWJiJKbSXVstLHgWYiq3/GmCSx/82ObeLO3PftklpRj8d+kFbrvrqBgjWtMH4WtK5uN5 1WJ71hWJfNchKRlaJ3GWy8KolCAoGsQMovn/ZEXxrGs1ndafu47yXOpuDAozoHTBGvuSXSZo ythk/0EAuz5IkwkhYBT1MGIAvNSn9ivE5aRnBazugy0rTRkVggHvt3/7flFHlGVGpBHxFUwb /a4UjJBPtIwa4tWR8B1Ma36S8Jk456k2n1id7M0LQ+eqstmp6Y+UB+pt9NX6t0Slw1NCdYTW gJezWTVKF7pmTdXszXGxlc9kTrVUz04PqPjnYbv5UWuDd2eyzGjrrFOsJEi8OK2d2j4FfF++ AzOMdW09JVqejQARAQABwsF2BBgBCAAgFiEEbF+pj/I7JePKMl6Fct6KD1TwOgwFAl/0ZFUC GwwACgkQct6KD1TwOgxUfg//eAoYc0Vm4NrxymfcY30UjHVD0LgSvU8kUmXxil3qhFPS7KA+ y7tgcKLHOkZkXMX5MLFcS9+SmrAjSBBV8omKoHNo+kfFx/dUAtz0lot8wNGmWb+NcHeKM1eb nwUMOEa1uDdfZeKef/U/2uHBceY7Gc6zPZPWgXghEyQMTH2UhLgeam8yglyO+A6RXCh+s6ak Wje7Vo1wGK4eYxp6pwMPJXLMsI0ii/2k3YPEJPv+yJf90MbYyQSbkTwZhrsokjQEaIfjrIk3 rQRjTve/J62WIO28IbY/mENuGgWehRlTAbhC4BLTZ5uYS0YMQCR7v9UGMWdNWXFyrOB6PjSu Trn9MsPoUc8qI72mVpxEXQDLlrd2ijEWm7Nrf52YMD7hL6rXXuis7R6zY8WnnBhW0uCfhajx q+KuARXC0sDLztcjaS3ayXonpoCPZep2Bd5xqE4Ln8/COCslP7E92W1uf1EcdXXIrx1acg21 H/0Z53okMykVs3a8tECPHIxnre2UxKdTbCEkjkR4V6JyplTS47oWMw3zyI7zkaadfzVFBxk2 lo/Tny+FX1Azea3Ce7oOnRUEZtWSsUidtIjmL8YUQFZYm+JUIgfRmSpMFq8JP4VH43GXpB/S OCrl+/xujzvoUBFV/cHKjEQYBxo+MaiQa1U54ykM2W4DnHb1UiEf5xDkFd4= In-Reply-To: <0d6a1cdb-39a1-4fad-a6e4-48953619f33b@gmail.com> X-Spam-Status: No, score=-1.8 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,FREEMAIL_ENVFROM_END_DIGIT, FREEMAIL_FROM,RCVD_IN_DNSWL_BLOCKED,SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-i2c@vger.kernel.org i2c and smbus block transaction handling have little in common, therefore split this function to improve code readability. Signed-off-by: Heiner Kallweit --- drivers/i2c/busses/i2c-i801.c | 112 +++++++++++++++------------------- 1 file changed, 50 insertions(+), 62 deletions(-) diff --git a/drivers/i2c/busses/i2c-i801.c b/drivers/i2c/busses/i2c-i801.c index 915dd07e1..a9d3dfd9e 100644 --- a/drivers/i2c/busses/i2c-i801.c +++ b/drivers/i2c/busses/i2c-i801.c @@ -801,77 +801,65 @@ static int i801_simple_transaction(struct i801_priv *priv, union i2c_smbus_data return 0; } -/* Block transaction function */ -static int i801_block_transaction(struct i801_priv *priv, union i2c_smbus_data *data, - u8 addr, u8 hstcmd, char read_write, int command) +static int i801_smbus_block_transaction(struct i801_priv *priv, union i2c_smbus_data *data, + u8 addr, u8 hstcmd, char read_write, int command) { - int result = 0; - unsigned char hostc; - if (read_write == I2C_SMBUS_READ && command == I2C_SMBUS_BLOCK_DATA) data->block[0] = I2C_SMBUS_BLOCK_MAX; else if (data->block[0] < 1 || data->block[0] > I2C_SMBUS_BLOCK_MAX) return -EPROTO; - switch (command) { - case I2C_SMBUS_BLOCK_DATA: - i801_set_hstadd(priv, addr, read_write); - outb_p(hstcmd, SMBHSTCMD(priv)); - break; - case I2C_SMBUS_I2C_BLOCK_DATA: - /* - * NB: page 240 of ICH5 datasheet shows that the R/#W - * bit should be cleared here, even when reading. - * However if SPD Write Disable is set (Lynx Point and later), - * the read will fail if we don't set the R/#W bit. - */ - i801_set_hstadd(priv, addr, - priv->original_hstcfg & SMBHSTCFG_SPD_WD ? - read_write : I2C_SMBUS_WRITE); - if (read_write == I2C_SMBUS_READ) { - /* NB: page 240 of ICH5 datasheet also shows - * that DATA1 is the cmd field when reading - */ - outb_p(hstcmd, SMBHSTDAT1(priv)); - } else - outb_p(hstcmd, SMBHSTCMD(priv)); - - if (read_write == I2C_SMBUS_WRITE) { - /* set I2C_EN bit in configuration register */ - pci_read_config_byte(priv->pci_dev, SMBHSTCFG, &hostc); - pci_write_config_byte(priv->pci_dev, SMBHSTCFG, - hostc | SMBHSTCFG_I2C_EN); - } else if (!(priv->features & FEATURE_I2C_BLOCK_READ)) { - dev_err(&priv->pci_dev->dev, - "I2C block read is unsupported!\n"); - return -EOPNOTSUPP; - } - break; - case I2C_SMBUS_BLOCK_PROC_CALL: + if (command == I2C_SMBUS_BLOCK_PROC_CALL) /* Needs to be flagged as write transaction */ i801_set_hstadd(priv, addr, I2C_SMBUS_WRITE); + else + i801_set_hstadd(priv, addr, read_write); + outb_p(hstcmd, SMBHSTCMD(priv)); + + if (priv->features & FEATURE_BLOCK_BUFFER) + return i801_block_transaction_by_block(priv, data, read_write, command); + else + return i801_block_transaction_byte_by_byte(priv, data, read_write, command); +} + +static int i801_i2c_block_transaction(struct i801_priv *priv, union i2c_smbus_data *data, + u8 addr, u8 hstcmd, char read_write, int command) +{ + int result; + u8 hostc; + + if (data->block[0] < 1 || data->block[0] > I2C_SMBUS_BLOCK_MAX) + return -EPROTO; + /* + * NB: page 240 of ICH5 datasheet shows that the R/#W bit should be cleared here, + * even when reading. However if SPD Write Disable is set (Lynx Point and later), + * the read will fail if we don't set the R/#W bit. + */ + i801_set_hstadd(priv, addr, + priv->original_hstcfg & SMBHSTCFG_SPD_WD ? read_write : I2C_SMBUS_WRITE); + + /* NB: page 240 of ICH5 datasheet shows that DATA1 is the cmd field when reading */ + if (read_write == I2C_SMBUS_READ) + outb_p(hstcmd, SMBHSTDAT1(priv)); + else outb_p(hstcmd, SMBHSTCMD(priv)); - break; + + if (read_write == I2C_SMBUS_WRITE) { + /* set I2C_EN bit in configuration register */ + pci_read_config_byte(priv->pci_dev, SMBHSTCFG, &hostc); + pci_write_config_byte(priv->pci_dev, SMBHSTCFG, hostc | SMBHSTCFG_I2C_EN); + } else if (!(priv->features & FEATURE_I2C_BLOCK_READ)) { + pci_err(priv->pci_dev, "I2C block read is unsupported!\n"); + return -EOPNOTSUPP; } - /* Experience has shown that the block buffer can only be used for - SMBus (not I2C) block transactions, even though the datasheet - doesn't mention this limitation. */ - if ((priv->features & FEATURE_BLOCK_BUFFER) && - command != I2C_SMBUS_I2C_BLOCK_DATA) - result = i801_block_transaction_by_block(priv, data, - read_write, - command); - else - result = i801_block_transaction_byte_by_byte(priv, data, - read_write, - command); + /* Block buffer isn't supported for I2C block transactions */ + result = i801_block_transaction_byte_by_byte(priv, data, read_write, command); - if (command == I2C_SMBUS_I2C_BLOCK_DATA - && read_write == I2C_SMBUS_WRITE) { - /* restore saved configuration register value */ + /* restore saved configuration register value */ + if (read_write == I2C_SMBUS_WRITE) pci_write_config_byte(priv->pci_dev, SMBHSTCFG, hostc); - } + return result; } @@ -902,10 +890,10 @@ static s32 i801_access(struct i2c_adapter *adap, u16 addr, outb_p(inb_p(SMBAUXCTL(priv)) & (~SMBAUXCTL_CRC), SMBAUXCTL(priv)); - if (size == I2C_SMBUS_BLOCK_DATA || - size == I2C_SMBUS_I2C_BLOCK_DATA || - size == I2C_SMBUS_BLOCK_PROC_CALL) - ret = i801_block_transaction(priv, data, addr, command, read_write, size); + if (size == I2C_SMBUS_BLOCK_DATA || size == I2C_SMBUS_BLOCK_PROC_CALL) + ret = i801_smbus_block_transaction(priv, data, addr, command, read_write, size); + else if (size == I2C_SMBUS_I2C_BLOCK_DATA) + ret = i801_i2c_block_transaction(priv, data, addr, command, read_write, size); else ret = i801_simple_transaction(priv, data, addr, command, read_write, size); From patchwork Fri Sep 22 19:40:25 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Heiner Kallweit X-Patchwork-Id: 1838443 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=gmail.com header.i=@gmail.com header.a=rsa-sha256 header.s=20230601 header.b=GKWAcYVn; dkim-atps=neutral Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org (client-ip=2620:137:e000::1:20; helo=out1.vger.email; envelope-from=linux-i2c-owner@vger.kernel.org; receiver=patchwork.ozlabs.org) Received: from out1.vger.email (out1.vger.email [IPv6:2620:137:e000::1:20]) by legolas.ozlabs.org (Postfix) with ESMTP id 4RsjNQ2ZF1z1ynt for ; 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[2a02:3100:9589:7c00:3475:142c:c3cb:ba32]) by smtp.googlemail.com with ESMTPSA id t16-20020a5d49d0000000b0031c5b380291sm5174077wrs.110.2023.09.22.12.42.39 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 22 Sep 2023 12:42:39 -0700 (PDT) Message-ID: <07acdfa5-0ab6-4885-a588-d169a31793c4@gmail.com> Date: Fri, 22 Sep 2023 21:40:25 +0200 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: [PATCH 7/8] i2c: i801: Add SMBUS_LEN_SENTINEL Content-Language: en-US From: Heiner Kallweit To: Jean Delvare , Andi Shyti Cc: "linux-i2c@vger.kernel.org" References: <0d6a1cdb-39a1-4fad-a6e4-48953619f33b@gmail.com> Autocrypt: addr=hkallweit1@gmail.com; keydata= xsFNBF/0ZFUBEAC0eZyktSE7ZNO1SFXL6cQ4i4g6Ah3mOUIXSB4pCY5kQ6OLKHh0FlOD5/5/ sY7IoIouzOjyFdFPnz4Bl3927ClT567hUJJ+SNaFEiJ9vadI6vZm2gcY4ExdIevYHWe1msJF MVE4yNwdS+UsPeCF/6CQQTzHc+n7DomE7fjJD5J1hOJjqz2XWe71fTvYXzxCFLwXXbBiqDC9 dNqOe5odPsa4TsWZ09T33g5n2nzTJs4Zw8fCy8rLqix/raVsqr8fw5qM66MVtdmEljFaJ9N8 /W56qGCp+H8Igk/F7CjlbWXiOlKHA25mPTmbVp7VlFsvsmMokr/imQr+0nXtmvYVaKEUwY2g 86IU6RAOuA8E0J5bD/BeyZdMyVEtX1kT404UJZekFytJZrDZetwxM/cAH+1fMx4z751WJmxQ J7mIXSPuDfeJhRDt9sGM6aRVfXbZt+wBogxyXepmnlv9K4A13z9DVLdKLrYUiu9/5QEl6fgI kPaXlAZmJsQfoKbmPqCHVRYj1lpQtDM/2/BO6gHASflWUHzwmBVZbS/XRs64uJO8CB3+V3fa cIivllReueGCMsHh6/8wgPAyopXOWOxbLsZ291fmZqIR0L5Y6b2HvdFN1Xhc+YrQ8TKK+Z4R mJRDh0wNQ8Gm89g92/YkHji4jIWlp2fwzCcx5+lZCQ1XdqAiHQARAQABzSZIZWluZXIgS2Fs bHdlaXQgPGhrYWxsd2VpdDFAZ21haWwuY29tPsLBjgQTAQgAOBYhBGxfqY/yOyXjyjJehXLe ig9U8DoMBQJf9GRVAhsDBQsJCAcCBhUKCQgLAgQWAgMBAh4BAheAAAoJEHLeig9U8DoMSycQ AJbfg8HZEK0ljV4M8nvdaiNixWAufrcZ+SD8zhbxl8GispK4F3Yo+20Y3UoZ7FcIidJWUUJL axAOkpI/70YNhlqAPMsuudlAieeYZKjIv1WV5ucNZ3VJ7dC+dlVqQdAr1iD869FZXvy91KhJ wYulyCf+s4T9YgmLC6jLMBZghKIf1uhSd0NzjyCqYWbk2ZxByZHgunEShOhHPHswu3Am0ftt ePaYIHgZs+Vzwfjs8I7EuW/5/f5G9w1vibXxtGY/GXwgGGHRDjFM7RSprGOv4F5eMGh+NFUJ TU9N96PQYMwXVxnQfRXl8O6ffSVmFx4H9rovxWPKobLmqQL0WKLLVvA/aOHCcMKgfyKRcLah 57vGC50Ga8oT2K1g0AhKGkyJo7lGXkMu5yEs0m9O+btqAB261/E3DRxfI1P/tvDZpLJKtq35 dXsj6sjvhgX7VxXhY1wE54uqLLHY3UZQlmH3QF5t80MS7/KhxB1pO1Cpcmkt9hgyzH8+5org +9wWxGUtJWNP7CppY+qvv3SZtKJMKsxqk5coBGwNkMms56z4qfJm2PUtJQGjA65XWdzQACib 2iaDQoBqGZfXRdPT0tC1H5kUJuOX4ll1hI/HBMEFCcO8++Bl2wcrUsAxLzGvhINVJX2DAQaF aNetToazkCnzubKfBOyiTqFJ0b63c5dqziAgzsFNBF/0ZFUBEADF8UEZmKDl1w/UxvjeyAeX kghYkY3bkK6gcIYXdLRfJw12GbvMioSguvVzASVHG8h7NbNjk1yur6AONfbUpXKSNZ0skV8V fG+ppbaY+zQofsSMoj5gP0amwbwvPzVqZCYJai81VobefTX2MZM2Mg/ThBVtGyzV3NeCpnBa 8AX3s9rrX2XUoCibYotbbxx9afZYUFyflOc7kEpc9uJXIdaxS2Z6MnYLHsyVjiU6tzKCiVOU KJevqvzPXJmy0xaOVf7mhFSNQyJTrZpLa+tvB1DQRS08CqYtIMxRrVtC0t0LFeQGly6bOngr ircurWJiJKbSXVstLHgWYiq3/GmCSx/82ObeLO3PftklpRj8d+kFbrvrqBgjWtMH4WtK5uN5 1WJ71hWJfNchKRlaJ3GWy8KolCAoGsQMovn/ZEXxrGs1ndafu47yXOpuDAozoHTBGvuSXSZo ythk/0EAuz5IkwkhYBT1MGIAvNSn9ivE5aRnBazugy0rTRkVggHvt3/7flFHlGVGpBHxFUwb /a4UjJBPtIwa4tWR8B1Ma36S8Jk456k2n1id7M0LQ+eqstmp6Y+UB+pt9NX6t0Slw1NCdYTW gJezWTVKF7pmTdXszXGxlc9kTrVUz04PqPjnYbv5UWuDd2eyzGjrrFOsJEi8OK2d2j4FfF++ AzOMdW09JVqejQARAQABwsF2BBgBCAAgFiEEbF+pj/I7JePKMl6Fct6KD1TwOgwFAl/0ZFUC GwwACgkQct6KD1TwOgxUfg//eAoYc0Vm4NrxymfcY30UjHVD0LgSvU8kUmXxil3qhFPS7KA+ y7tgcKLHOkZkXMX5MLFcS9+SmrAjSBBV8omKoHNo+kfFx/dUAtz0lot8wNGmWb+NcHeKM1eb nwUMOEa1uDdfZeKef/U/2uHBceY7Gc6zPZPWgXghEyQMTH2UhLgeam8yglyO+A6RXCh+s6ak Wje7Vo1wGK4eYxp6pwMPJXLMsI0ii/2k3YPEJPv+yJf90MbYyQSbkTwZhrsokjQEaIfjrIk3 rQRjTve/J62WIO28IbY/mENuGgWehRlTAbhC4BLTZ5uYS0YMQCR7v9UGMWdNWXFyrOB6PjSu Trn9MsPoUc8qI72mVpxEXQDLlrd2ijEWm7Nrf52YMD7hL6rXXuis7R6zY8WnnBhW0uCfhajx q+KuARXC0sDLztcjaS3ayXonpoCPZep2Bd5xqE4Ln8/COCslP7E92W1uf1EcdXXIrx1acg21 H/0Z53okMykVs3a8tECPHIxnre2UxKdTbCEkjkR4V6JyplTS47oWMw3zyI7zkaadfzVFBxk2 lo/Tny+FX1Azea3Ce7oOnRUEZtWSsUidtIjmL8YUQFZYm+JUIgfRmSpMFq8JP4VH43GXpB/S OCrl+/xujzvoUBFV/cHKjEQYBxo+MaiQa1U54ykM2W4DnHb1UiEf5xDkFd4= In-Reply-To: <0d6a1cdb-39a1-4fad-a6e4-48953619f33b@gmail.com> X-Spam-Status: No, score=-1.8 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,FREEMAIL_ENVFROM_END_DIGIT, FREEMAIL_FROM,RCVD_IN_DNSWL_BLOCKED,SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-i2c@vger.kernel.org Add a sentinel length value that is used to check whether we should read and use the length value provided by the slave device. This simplifies the currently used checks. Signed-off-by: Heiner Kallweit --- drivers/i2c/busses/i2c-i801.c | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) diff --git a/drivers/i2c/busses/i2c-i801.c b/drivers/i2c/busses/i2c-i801.c index a9d3dfd9e..30a2f9268 100644 --- a/drivers/i2c/busses/i2c-i801.c +++ b/drivers/i2c/busses/i2c-i801.c @@ -204,6 +204,8 @@ #define STATUS_FLAGS (SMBHSTSTS_BYTE_DONE | SMBHSTSTS_INTR | \ STATUS_ERROR_FLAGS) +#define SMBUS_LEN_SENTINEL (I2C_SMBUS_BLOCK_MAX + 1) + /* Older devices have their ID defined in */ #define PCI_DEVICE_ID_INTEL_COMETLAKE_SMBUS 0x02a3 #define PCI_DEVICE_ID_INTEL_COMETLAKE_H_SMBUS 0x06a3 @@ -541,8 +543,7 @@ static void i801_isr_byte_done(struct i801_priv *priv) { if (priv->is_read) { /* For SMBus block reads, length is received with first byte */ - if (((priv->cmd & 0x1c) == I801_BLOCK_DATA) && - (priv->count == 0)) { + if (priv->len == SMBUS_LEN_SENTINEL) { priv->len = inb_p(SMBHSTDAT0(priv)); if (priv->len < 1 || priv->len > I2C_SMBUS_BLOCK_MAX) { dev_err(&priv->pci_dev->dev, @@ -697,8 +698,7 @@ static int i801_block_transaction_byte_by_byte(struct i801_priv *priv, if (status) return status; - if (i == 1 && read_write == I2C_SMBUS_READ - && command != I2C_SMBUS_I2C_BLOCK_DATA) { + if (len == SMBUS_LEN_SENTINEL) { len = inb_p(SMBHSTDAT0(priv)); if (len < 1 || len > I2C_SMBUS_BLOCK_MAX) { dev_err(&priv->pci_dev->dev, @@ -805,7 +805,7 @@ static int i801_smbus_block_transaction(struct i801_priv *priv, union i2c_smbus_ u8 addr, u8 hstcmd, char read_write, int command) { if (read_write == I2C_SMBUS_READ && command == I2C_SMBUS_BLOCK_DATA) - data->block[0] = I2C_SMBUS_BLOCK_MAX; + data->block[0] = SMBUS_LEN_SENTINEL; else if (data->block[0] < 1 || data->block[0] > I2C_SMBUS_BLOCK_MAX) return -EPROTO; From patchwork Fri Sep 22 19:41:41 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Heiner Kallweit X-Patchwork-Id: 1838442 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=gmail.com header.i=@gmail.com header.a=rsa-sha256 header.s=20230601 header.b=mCBkeJgS; 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[2a02:3100:9589:7c00:3475:142c:c3cb:ba32]) by smtp.googlemail.com with ESMTPSA id t16-20020a5d49d0000000b0031c5b380291sm5174077wrs.110.2023.09.22.12.42.40 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 22 Sep 2023 12:42:40 -0700 (PDT) Message-ID: <0d347ae8-b4e0-4937-a6dd-55bd72748d04@gmail.com> Date: Fri, 22 Sep 2023 21:41:41 +0200 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: [PATCH 8/8] i2c: i801: Add helper i801_get_block_len Content-Language: en-US From: Heiner Kallweit To: Jean Delvare , Andi Shyti Cc: "linux-i2c@vger.kernel.org" References: <0d6a1cdb-39a1-4fad-a6e4-48953619f33b@gmail.com> Autocrypt: addr=hkallweit1@gmail.com; keydata= xsFNBF/0ZFUBEAC0eZyktSE7ZNO1SFXL6cQ4i4g6Ah3mOUIXSB4pCY5kQ6OLKHh0FlOD5/5/ sY7IoIouzOjyFdFPnz4Bl3927ClT567hUJJ+SNaFEiJ9vadI6vZm2gcY4ExdIevYHWe1msJF MVE4yNwdS+UsPeCF/6CQQTzHc+n7DomE7fjJD5J1hOJjqz2XWe71fTvYXzxCFLwXXbBiqDC9 dNqOe5odPsa4TsWZ09T33g5n2nzTJs4Zw8fCy8rLqix/raVsqr8fw5qM66MVtdmEljFaJ9N8 /W56qGCp+H8Igk/F7CjlbWXiOlKHA25mPTmbVp7VlFsvsmMokr/imQr+0nXtmvYVaKEUwY2g 86IU6RAOuA8E0J5bD/BeyZdMyVEtX1kT404UJZekFytJZrDZetwxM/cAH+1fMx4z751WJmxQ J7mIXSPuDfeJhRDt9sGM6aRVfXbZt+wBogxyXepmnlv9K4A13z9DVLdKLrYUiu9/5QEl6fgI kPaXlAZmJsQfoKbmPqCHVRYj1lpQtDM/2/BO6gHASflWUHzwmBVZbS/XRs64uJO8CB3+V3fa cIivllReueGCMsHh6/8wgPAyopXOWOxbLsZ291fmZqIR0L5Y6b2HvdFN1Xhc+YrQ8TKK+Z4R mJRDh0wNQ8Gm89g92/YkHji4jIWlp2fwzCcx5+lZCQ1XdqAiHQARAQABzSZIZWluZXIgS2Fs bHdlaXQgPGhrYWxsd2VpdDFAZ21haWwuY29tPsLBjgQTAQgAOBYhBGxfqY/yOyXjyjJehXLe ig9U8DoMBQJf9GRVAhsDBQsJCAcCBhUKCQgLAgQWAgMBAh4BAheAAAoJEHLeig9U8DoMSycQ AJbfg8HZEK0ljV4M8nvdaiNixWAufrcZ+SD8zhbxl8GispK4F3Yo+20Y3UoZ7FcIidJWUUJL axAOkpI/70YNhlqAPMsuudlAieeYZKjIv1WV5ucNZ3VJ7dC+dlVqQdAr1iD869FZXvy91KhJ wYulyCf+s4T9YgmLC6jLMBZghKIf1uhSd0NzjyCqYWbk2ZxByZHgunEShOhHPHswu3Am0ftt ePaYIHgZs+Vzwfjs8I7EuW/5/f5G9w1vibXxtGY/GXwgGGHRDjFM7RSprGOv4F5eMGh+NFUJ TU9N96PQYMwXVxnQfRXl8O6ffSVmFx4H9rovxWPKobLmqQL0WKLLVvA/aOHCcMKgfyKRcLah 57vGC50Ga8oT2K1g0AhKGkyJo7lGXkMu5yEs0m9O+btqAB261/E3DRxfI1P/tvDZpLJKtq35 dXsj6sjvhgX7VxXhY1wE54uqLLHY3UZQlmH3QF5t80MS7/KhxB1pO1Cpcmkt9hgyzH8+5org +9wWxGUtJWNP7CppY+qvv3SZtKJMKsxqk5coBGwNkMms56z4qfJm2PUtJQGjA65XWdzQACib 2iaDQoBqGZfXRdPT0tC1H5kUJuOX4ll1hI/HBMEFCcO8++Bl2wcrUsAxLzGvhINVJX2DAQaF aNetToazkCnzubKfBOyiTqFJ0b63c5dqziAgzsFNBF/0ZFUBEADF8UEZmKDl1w/UxvjeyAeX kghYkY3bkK6gcIYXdLRfJw12GbvMioSguvVzASVHG8h7NbNjk1yur6AONfbUpXKSNZ0skV8V fG+ppbaY+zQofsSMoj5gP0amwbwvPzVqZCYJai81VobefTX2MZM2Mg/ThBVtGyzV3NeCpnBa 8AX3s9rrX2XUoCibYotbbxx9afZYUFyflOc7kEpc9uJXIdaxS2Z6MnYLHsyVjiU6tzKCiVOU KJevqvzPXJmy0xaOVf7mhFSNQyJTrZpLa+tvB1DQRS08CqYtIMxRrVtC0t0LFeQGly6bOngr ircurWJiJKbSXVstLHgWYiq3/GmCSx/82ObeLO3PftklpRj8d+kFbrvrqBgjWtMH4WtK5uN5 1WJ71hWJfNchKRlaJ3GWy8KolCAoGsQMovn/ZEXxrGs1ndafu47yXOpuDAozoHTBGvuSXSZo ythk/0EAuz5IkwkhYBT1MGIAvNSn9ivE5aRnBazugy0rTRkVggHvt3/7flFHlGVGpBHxFUwb /a4UjJBPtIwa4tWR8B1Ma36S8Jk456k2n1id7M0LQ+eqstmp6Y+UB+pt9NX6t0Slw1NCdYTW gJezWTVKF7pmTdXszXGxlc9kTrVUz04PqPjnYbv5UWuDd2eyzGjrrFOsJEi8OK2d2j4FfF++ AzOMdW09JVqejQARAQABwsF2BBgBCAAgFiEEbF+pj/I7JePKMl6Fct6KD1TwOgwFAl/0ZFUC GwwACgkQct6KD1TwOgxUfg//eAoYc0Vm4NrxymfcY30UjHVD0LgSvU8kUmXxil3qhFPS7KA+ y7tgcKLHOkZkXMX5MLFcS9+SmrAjSBBV8omKoHNo+kfFx/dUAtz0lot8wNGmWb+NcHeKM1eb nwUMOEa1uDdfZeKef/U/2uHBceY7Gc6zPZPWgXghEyQMTH2UhLgeam8yglyO+A6RXCh+s6ak Wje7Vo1wGK4eYxp6pwMPJXLMsI0ii/2k3YPEJPv+yJf90MbYyQSbkTwZhrsokjQEaIfjrIk3 rQRjTve/J62WIO28IbY/mENuGgWehRlTAbhC4BLTZ5uYS0YMQCR7v9UGMWdNWXFyrOB6PjSu Trn9MsPoUc8qI72mVpxEXQDLlrd2ijEWm7Nrf52YMD7hL6rXXuis7R6zY8WnnBhW0uCfhajx q+KuARXC0sDLztcjaS3ayXonpoCPZep2Bd5xqE4Ln8/COCslP7E92W1uf1EcdXXIrx1acg21 H/0Z53okMykVs3a8tECPHIxnre2UxKdTbCEkjkR4V6JyplTS47oWMw3zyI7zkaadfzVFBxk2 lo/Tny+FX1Azea3Ce7oOnRUEZtWSsUidtIjmL8YUQFZYm+JUIgfRmSpMFq8JP4VH43GXpB/S OCrl+/xujzvoUBFV/cHKjEQYBxo+MaiQa1U54ykM2W4DnHb1UiEf5xDkFd4= In-Reply-To: <0d6a1cdb-39a1-4fad-a6e4-48953619f33b@gmail.com> X-Spam-Status: No, score=-1.8 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,FREEMAIL_ENVFROM_END_DIGIT, FREEMAIL_FROM,RCVD_IN_DNSWL_BLOCKED,SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-i2c@vger.kernel.org Avoid code duplication and factor out retrieving and checking the block length value to new helper i801_get_block_len(). Signed-off-by: Heiner Kallweit Reviewed-by: Andi Shyti --- drivers/i2c/busses/i2c-i801.c | 36 +++++++++++++++++++---------------- 1 file changed, 20 insertions(+), 16 deletions(-) diff --git a/drivers/i2c/busses/i2c-i801.c b/drivers/i2c/busses/i2c-i801.c index 30a2f9268..55bfb4d18 100644 --- a/drivers/i2c/busses/i2c-i801.c +++ b/drivers/i2c/busses/i2c-i801.c @@ -329,6 +329,18 @@ MODULE_PARM_DESC(disable_features, "Disable selected driver features:\n" "\t\t 0x10 don't use interrupts\n" "\t\t 0x20 disable SMBus Host Notify "); +static int i801_get_block_len(struct i801_priv *priv) +{ + u8 len = inb_p(SMBHSTDAT0(priv)); + + if (len < 1 || len > I2C_SMBUS_BLOCK_MAX) { + pci_err(priv->pci_dev, "Illegal SMBus block read size %u\n", len); + return -EPROTO; + } + + return len; +} + static int i801_check_and_clear_pec_error(struct i801_priv *priv) { u8 status; @@ -524,11 +536,9 @@ static int i801_block_transaction_by_block(struct i801_priv *priv, if (read_write == I2C_SMBUS_READ || command == I2C_SMBUS_BLOCK_PROC_CALL) { - len = inb_p(SMBHSTDAT0(priv)); - if (len < 1 || len > I2C_SMBUS_BLOCK_MAX) { - status = -EPROTO; - goto out; - } + len = i801_get_block_len(priv); + if (len < 0) + return len; data->block[0] = len; for (i = 0; i < len; i++) @@ -544,14 +554,11 @@ static void i801_isr_byte_done(struct i801_priv *priv) if (priv->is_read) { /* For SMBus block reads, length is received with first byte */ if (priv->len == SMBUS_LEN_SENTINEL) { - priv->len = inb_p(SMBHSTDAT0(priv)); - if (priv->len < 1 || priv->len > I2C_SMBUS_BLOCK_MAX) { - dev_err(&priv->pci_dev->dev, - "Illegal SMBus block read size %d\n", - priv->len); + priv->len = i801_get_block_len(priv); + if (priv->len < 0) /* FIXME: Recover */ priv->len = I2C_SMBUS_BLOCK_MAX; - } + priv->data[-1] = priv->len; } @@ -699,11 +706,8 @@ static int i801_block_transaction_byte_by_byte(struct i801_priv *priv, return status; if (len == SMBUS_LEN_SENTINEL) { - len = inb_p(SMBHSTDAT0(priv)); - if (len < 1 || len > I2C_SMBUS_BLOCK_MAX) { - dev_err(&priv->pci_dev->dev, - "Illegal SMBus block read size %d\n", - len); + len = i801_get_block_len(priv); + if (len < 0) { /* Recover */ while (inb_p(SMBHSTSTS(priv)) & SMBHSTSTS_HOST_BUSY)