| Message ID | 20220420103427.47867-12-tudor.ambarus@microchip.com |
|---|---|
| State | Accepted |
| Delegated to: | Pratyush Yadav |
| Headers | show
Return-Path: <linux-mtd-bounces+incoming=patchwork.ozlabs.org@lists.infradead.org> X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: bilbo.ozlabs.org; dkim=pass (2048-bit key; secure) header.d=lists.infradead.org header.i=@lists.infradead.org header.a=rsa-sha256 header.s=bombadil.20210309 header.b=13pOMmKS; dkim=fail reason="signature verification failed" (2048-bit key; unprotected) header.d=microchip.com header.i=@microchip.com header.a=rsa-sha256 header.s=mchp header.b=jeKx6Qrr; dkim-atps=neutral Authentication-Results: ozlabs.org; spf=none (no SPF record) smtp.mailfrom=lists.infradead.org (client-ip=2607:7c80:54:e::133; helo=bombadil.infradead.org; envelope-from=linux-mtd-bounces+incoming=patchwork.ozlabs.org@lists.infradead.org; receiver=<UNKNOWN>) Received: from bombadil.infradead.org (bombadil.infradead.org [IPv6:2607:7c80:54:e::133]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) by bilbo.ozlabs.org (Postfix) with ESMTPS id 4Kjxt211Rjz9sFq for <incoming@patchwork.ozlabs.org>; Wed, 20 Apr 2022 20:36:26 +1000 (AEST) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:CC:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=/NxXaL4utFWKmK9doSG+V/1LN7hxsGscf8JMwaQqHuk=; b=13pOMmKSTA3/De LMn1QsQjowy2J51axH2VjwVIGvrasMmXAhLEmbcyfHGIR2TQyOhrqwjZaodc6cQBYS+b9YIv7EOo5 TBTRN5wnBvO8MuwDNHctwJeQYoH5IulbsyYOlKpwnZiio451kosaC6v8lt8QPLIrFCPodw5EMe6KP urxqLaYgGNOaNVzxN2HQ5MOGvTzF27H+X9Mwcyu/JXHqUaUSfU3mwRKqS8JQR5eNQy694614e3Jpc dkkmklZR7q/jnnMyaJ6PZCWeh1VBTDjuxddORAQqN9Oh9bXNC4Iin5xUZTY4QzbpGT95eIq6kiPAU cdBodP9/bF9JWmHBKXYw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1nh7gh-008cxj-Ga; Wed, 20 Apr 2022 10:35:55 +0000 Received: from esa.microchip.iphmx.com ([68.232.153.233]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1nh7fo-008cKc-84 for linux-mtd@lists.infradead.org; Wed, 20 Apr 2022 10:35:03 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=microchip.com; i=@microchip.com; q=dns/txt; s=mchp; t=1650450900; x=1681986900; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=CgU0M9Ctm66tAtz7ZrqfIj4aDO8PJLE7JPM+0GAyffk=; b=jeKx6QrrWKZS1S17pJQB3J6I9Xved143wqexzE/cfOWDR51WbQzYBepj zlCClAzvfWuQIb1J0if2KGzAGu5p2UeyE+coFG8sqPvL31VavT/aUciw6 0q9uxQwxRkJrHALZ7jcfXsIx9bd0wg/HjGu3w/VRDQVkHBqE+2qpIg8Ai NksXN5YfeVFvT8l1s4ILnf8d+Kxy8ze1Wx+Rim9mlpyKcmPzyY2lydV5+ aHMbGfLGFJk58nCCk/JUo9ygAjjzO3AVl85mqoeQ3bk5RNR8ZgtclOtId IrhPFkcWRmzzoKhRrUIDRffYhZjDv8trlgCIVbkA6dusGiLfaigwsJ7Px A==; X-IronPort-AV: E=Sophos;i="5.90,275,1643698800"; d="scan'208";a="170245898" Received: from smtpout.microchip.com (HELO email.microchip.com) ([198.175.253.82]) by esa1.microchip.iphmx.com with ESMTP/TLS/AES256-SHA256; 20 Apr 2022 03:34:59 -0700 Received: from chn-vm-ex01.mchp-main.com (10.10.85.143) by chn-vm-ex01.mchp-main.com (10.10.85.143) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.17; Wed, 20 Apr 2022 03:34:58 -0700 Received: from ROB-ULT-M18064N.mchp-main.com (10.10.115.15) by chn-vm-ex01.mchp-main.com (10.10.85.143) with Microsoft SMTP Server id 15.1.2375.17 via Frontend Transport; Wed, 20 Apr 2022 03:34:56 -0700 From: Tudor Ambarus <tudor.ambarus@microchip.com> To: <p.yadav@ti.com>, <michael@walle.cc> CC: <miquel.raynal@bootlin.com>, <richard@nod.at>, <vigneshr@ti.com>, <linux-mtd@lists.infradead.org>, <linux-kernel@vger.kernel.org>, <Takahiro.Kuwano@infineon.com>, Tudor Ambarus <tudor.ambarus@microchip.com> Subject: [PATCH v4 11/11] mtd: spi-nor: micron-st: Remove status polling on volatile registers write Date: Wed, 20 Apr 2022 13:34:27 +0300 Message-ID: <20220420103427.47867-12-tudor.ambarus@microchip.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220420103427.47867-1-tudor.ambarus@microchip.com> References: <20220420103427.47867-1-tudor.ambarus@microchip.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220420_033500_370735_D0083868 X-CRM114-Status: UNSURE ( 7.76 ) X-CRM114-Notice: Please train this message. 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Signed-off-by: Tudor Ambarus <tudor.ambarus@microchip.com> --- drivers/mtd/spi-nor/micron-st.c | 3 --- 1 file changed, 3 deletions(-) Content analysis details: (-2.7 points, 5.0 required) pts rule name description ---- ---------------------- -------------------------------------------------- -2.3 RCVD_IN_DNSWL_MED RBL: Sender listed at https://www.dnswl.org/, medium trust [68.232.153.233 listed in list.dnswl.org] -0.0 SPF_PASS SPF: sender matches SPF record -0.0 SPF_HELO_PASS SPF: HELO matches SPF record -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID_EF Message has a valid DKIM or DK signature from envelope-from domain -0.2 DKIMWL_WL_HIGH DKIMwl.org - High trust sender X-BeenThere: linux-mtd@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Linux MTD discussion mailing list <linux-mtd.lists.infradead.org> List-Unsubscribe: <http://lists.infradead.org/mailman/options/linux-mtd>, <mailto:linux-mtd-request@lists.infradead.org?subject=unsubscribe> List-Archive: <http://lists.infradead.org/pipermail/linux-mtd/> List-Post: <mailto:linux-mtd@lists.infradead.org> List-Help: <mailto:linux-mtd-request@lists.infradead.org?subject=help> List-Subscribe: <http://lists.infradead.org/mailman/listinfo/linux-mtd>, <mailto:linux-mtd-request@lists.infradead.org?subject=subscribe> Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-mtd" <linux-mtd-bounces@lists.infradead.org> Errors-To: linux-mtd-bounces+incoming=patchwork.ozlabs.org@lists.infradead.org |
| Series |
mtd: spi-nor: Rework Octal DTR methods
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expand
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Am 2022-04-20 12:34, schrieb Tudor Ambarus: > Writing volatile registers are instant according to Micron and do not > need any status polling. Remove status polling on volatile registers > write. > > Signed-off-by: Tudor Ambarus <tudor.ambarus@microchip.com> Reviewed-by: Michael Walle <michael@walle.cc>
diff --git a/drivers/mtd/spi-nor/micron-st.c b/drivers/mtd/spi-nor/micron-st.c index 61db4896e327..a96f74e0f568 100644 --- a/drivers/mtd/spi-nor/micron-st.c +++ b/drivers/mtd/spi-nor/micron-st.c @@ -58,9 +58,6 @@ static int micron_st_nor_octal_dtr_en(struct spi_nor *nor) op = (struct spi_mem_op) MICRON_ST_NOR_WR_ANY_REG_OP(3, SPINOR_REG_MT_CFR1V, 1, buf); ret = spi_nor_write_any_volatile_reg(nor, &op, nor->reg_proto); - if (ret) - return ret; - ret = spi_nor_wait_till_ready(nor); if (ret) return ret;
Writing volatile registers are instant according to Micron and do not need any status polling. Remove status polling on volatile registers write. Signed-off-by: Tudor Ambarus <tudor.ambarus@microchip.com> --- drivers/mtd/spi-nor/micron-st.c | 3 --- 1 file changed, 3 deletions(-)