From patchwork Wed Sep 29 08:53:04 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Uwe_Kleine-K=C3=B6nig?= X-Patchwork-Id: 1534258 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org (client-ip=23.128.96.18; helo=vger.kernel.org; envelope-from=linux-pci-owner@vger.kernel.org; receiver=) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by bilbo.ozlabs.org (Postfix) with ESMTP id 4HK9Cc34pxz9ssD for ; Wed, 29 Sep 2021 18:54:04 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S244934AbhI2Izh (ORCPT ); Wed, 29 Sep 2021 04:55:37 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50512 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S244921AbhI2Ize (ORCPT ); Wed, 29 Sep 2021 04:55:34 -0400 Received: from metis.ext.pengutronix.de (metis.ext.pengutronix.de [IPv6:2001:67c:670:201:290:27ff:fe1d:cc33]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A369DC06174E for ; Wed, 29 Sep 2021 01:53:53 -0700 (PDT) Received: from drehscheibe.grey.stw.pengutronix.de ([2a0a:edc0:0:c01:1d::a2]) by metis.ext.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1mVVL5-0001il-KW; Wed, 29 Sep 2021 10:53:19 +0200 Received: from [2a0a:edc0:0:900:1d::77] (helo=ptz.office.stw.pengutronix.de) by drehscheibe.grey.stw.pengutronix.de with esmtp (Exim 4.92) (envelope-from ) id 1mVVL3-0004fs-JV; Wed, 29 Sep 2021 10:53:17 +0200 Received: from ukl by ptz.office.stw.pengutronix.de with local (Exim 4.92) (envelope-from ) id 1mVVL3-0000R5-I0; Wed, 29 Sep 2021 10:53:17 +0200 From: =?utf-8?q?Uwe_Kleine-K=C3=B6nig?= To: Bjorn Helgaas Cc: Christoph Hellwig , linux-pci@vger.kernel.org, kernel@pengutronix.de, Giovanni Cabiddu , Herbert Xu , "David S. Miller" , Tomaszx Kowalik , Fiona Trahe , Marco Chiappero , Andy Shevchenko , Wojciech Ziemba , Jack Xu , qat-linux@intel.com, linux-crypto@vger.kernel.org Subject: [PATCH v5 09/11] crypto: qat - simplify adf_enable_aer() Date: Wed, 29 Sep 2021 10:53:04 +0200 Message-Id: <20210929085306.2203850-10-u.kleine-koenig@pengutronix.de> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20210929085306.2203850-1-u.kleine-koenig@pengutronix.de> References: <20210929085306.2203850-1-u.kleine-koenig@pengutronix.de> MIME-Version: 1.0 X-Patch-Hashes: v=1; h=sha256; i=woJ+XG24qLZpRfQYIhuIjBJ10HF9ai4yZDNEgvzBdKs=; m=43Bwh4bgNofseZy3pN98J/xw6T54xBXYb8+EgplqK/c=; p=e0ubWRxaTOxpVVmYaiPGXfH9Fp+aEsg5i7cfFIxLb4w=; g=75d910e3cf936fc2161d0c2f4f099378e2733742 X-Patch-Sig: m=pgp; i=u.kleine-koenig@pengutronix.de; s=0x0D2511F322BFAB1C1580266BE2DCDD9132669BD6; b=iQEzBAABCgAdFiEEfnIqFpAYrP8+dKQLwfwUeK3K7AkFAmFUKV8ACgkQwfwUeK3K7AkBLQgAiMf lHjrsvdAs+vA2PbvtByAdocSgqQHHSsMjWUdd7oxcamF2iQ+atjNFDs7o0Qq3GH104ghMSLvgV9n5 igdrQMwiR8MJodQ/40sebxuhVUJK5ucx8xIEg0VdJZawEoAaEmSR5OqHgZJk3wMZw8f4tJiEqoVOL wrlajTg3FjP9s/vyzsebuBBpRptaxBXL/sob3XdZ0GCG2Jrze+kz6xHC/zqNwlkXLdv80ytfnMTYN 4kqc0m7dylgnpAP0dt8ZK05veLL3YVBab8RES5AsNt0EW2Fekq+79Qxm0O76a7C6UwBhLnVXkw6OD vylu5lZjBa1dSkEaocJCvh0OHH8dM7g== X-SA-Exim-Connect-IP: 2a0a:edc0:0:c01:1d::a2 X-SA-Exim-Mail-From: ukl@pengutronix.de X-SA-Exim-Scanned: No (on metis.ext.pengutronix.de); SAEximRunCond expanded to false X-PTX-Original-Recipient: linux-pci@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org A struct pci_driver is supposed to be constant and assigning .err_handler once per bound device isn't really sensible. Also as the function returns zero unconditionally let it return no value instead and simplify the callers accordingly. As a side effect this removes one user of struct pci_dev::driver. This member is planned to be removed. Signed-off-by: Uwe Kleine-König --- drivers/crypto/qat/qat_4xxx/adf_drv.c | 7 ++----- drivers/crypto/qat/qat_c3xxx/adf_drv.c | 7 ++----- drivers/crypto/qat/qat_c62x/adf_drv.c | 7 ++----- drivers/crypto/qat/qat_common/adf_aer.c | 10 +++------- drivers/crypto/qat/qat_common/adf_common_drv.h | 3 ++- drivers/crypto/qat/qat_dh895xcc/adf_drv.c | 7 ++----- 6 files changed, 13 insertions(+), 28 deletions(-) diff --git a/drivers/crypto/qat/qat_4xxx/adf_drv.c b/drivers/crypto/qat/qat_4xxx/adf_drv.c index 359fb7989dfb..71ef065914b2 100644 --- a/drivers/crypto/qat/qat_4xxx/adf_drv.c +++ b/drivers/crypto/qat/qat_4xxx/adf_drv.c @@ -247,11 +247,7 @@ static int adf_probe(struct pci_dev *pdev, const struct pci_device_id *ent) pci_set_master(pdev); - if (adf_enable_aer(accel_dev)) { - dev_err(&pdev->dev, "Failed to enable aer.\n"); - ret = -EFAULT; - goto out_err; - } + adf_enable_aer(accel_dev); if (pci_save_state(pdev)) { dev_err(&pdev->dev, "Failed to save pci state.\n"); @@ -304,6 +300,7 @@ static struct pci_driver adf_driver = { .probe = adf_probe, .remove = adf_remove, .sriov_configure = adf_sriov_configure, + .err_handler = &adf_err_handler, }; module_pci_driver(adf_driver); diff --git a/drivers/crypto/qat/qat_c3xxx/adf_drv.c b/drivers/crypto/qat/qat_c3xxx/adf_drv.c index cc6e75dc60de..2aef0bb791df 100644 --- a/drivers/crypto/qat/qat_c3xxx/adf_drv.c +++ b/drivers/crypto/qat/qat_c3xxx/adf_drv.c @@ -33,6 +33,7 @@ static struct pci_driver adf_driver = { .probe = adf_probe, .remove = adf_remove, .sriov_configure = adf_sriov_configure, + .err_handler = &adf_err_handler, }; static void adf_cleanup_pci_dev(struct adf_accel_dev *accel_dev) @@ -192,11 +193,7 @@ static int adf_probe(struct pci_dev *pdev, const struct pci_device_id *ent) } pci_set_master(pdev); - if (adf_enable_aer(accel_dev)) { - dev_err(&pdev->dev, "Failed to enable aer\n"); - ret = -EFAULT; - goto out_err_free_reg; - } + adf_enable_aer(accel_dev); if (pci_save_state(pdev)) { dev_err(&pdev->dev, "Failed to save pci state\n"); diff --git a/drivers/crypto/qat/qat_c62x/adf_drv.c b/drivers/crypto/qat/qat_c62x/adf_drv.c index bf251dfe74b3..56163083f161 100644 --- a/drivers/crypto/qat/qat_c62x/adf_drv.c +++ b/drivers/crypto/qat/qat_c62x/adf_drv.c @@ -33,6 +33,7 @@ static struct pci_driver adf_driver = { .probe = adf_probe, .remove = adf_remove, .sriov_configure = adf_sriov_configure, + .err_handler = &adf_err_handler, }; static void adf_cleanup_pci_dev(struct adf_accel_dev *accel_dev) @@ -192,11 +193,7 @@ static int adf_probe(struct pci_dev *pdev, const struct pci_device_id *ent) } pci_set_master(pdev); - if (adf_enable_aer(accel_dev)) { - dev_err(&pdev->dev, "Failed to enable aer\n"); - ret = -EFAULT; - goto out_err_free_reg; - } + adf_enable_aer(accel_dev); if (pci_save_state(pdev)) { dev_err(&pdev->dev, "Failed to save pci state\n"); diff --git a/drivers/crypto/qat/qat_common/adf_aer.c b/drivers/crypto/qat/qat_common/adf_aer.c index ed3e40bc56eb..fe9bb2f3536a 100644 --- a/drivers/crypto/qat/qat_common/adf_aer.c +++ b/drivers/crypto/qat/qat_common/adf_aer.c @@ -166,11 +166,12 @@ static void adf_resume(struct pci_dev *pdev) dev_info(&pdev->dev, "Device is up and running\n"); } -static const struct pci_error_handlers adf_err_handler = { +const struct pci_error_handlers adf_err_handler = { .error_detected = adf_error_detected, .slot_reset = adf_slot_reset, .resume = adf_resume, }; +EXPORT_SYMBOL_GPL(adf_err_handler); /** * adf_enable_aer() - Enable Advance Error Reporting for acceleration device @@ -179,17 +180,12 @@ static const struct pci_error_handlers adf_err_handler = { * Function enables PCI Advance Error Reporting for the * QAT acceleration device accel_dev. * To be used by QAT device specific drivers. - * - * Return: 0 on success, error code otherwise. */ -int adf_enable_aer(struct adf_accel_dev *accel_dev) +void adf_enable_aer(struct adf_accel_dev *accel_dev) { struct pci_dev *pdev = accel_to_pci_dev(accel_dev); - struct pci_driver *pdrv = pdev->driver; - pdrv->err_handler = &adf_err_handler; pci_enable_pcie_error_reporting(pdev); - return 0; } EXPORT_SYMBOL_GPL(adf_enable_aer); diff --git a/drivers/crypto/qat/qat_common/adf_common_drv.h b/drivers/crypto/qat/qat_common/adf_common_drv.h index 4261749fae8d..e4c24be212ff 100644 --- a/drivers/crypto/qat/qat_common/adf_common_drv.h +++ b/drivers/crypto/qat/qat_common/adf_common_drv.h @@ -95,7 +95,8 @@ void adf_ae_fw_release(struct adf_accel_dev *accel_dev); int adf_ae_start(struct adf_accel_dev *accel_dev); int adf_ae_stop(struct adf_accel_dev *accel_dev); -int adf_enable_aer(struct adf_accel_dev *accel_dev); +extern const struct pci_error_handlers adf_err_handler; +void adf_enable_aer(struct adf_accel_dev *accel_dev); void adf_disable_aer(struct adf_accel_dev *accel_dev); void adf_reset_sbr(struct adf_accel_dev *accel_dev); void adf_reset_flr(struct adf_accel_dev *accel_dev); diff --git a/drivers/crypto/qat/qat_dh895xcc/adf_drv.c b/drivers/crypto/qat/qat_dh895xcc/adf_drv.c index 3976a81bd99b..acca56752aa0 100644 --- a/drivers/crypto/qat/qat_dh895xcc/adf_drv.c +++ b/drivers/crypto/qat/qat_dh895xcc/adf_drv.c @@ -33,6 +33,7 @@ static struct pci_driver adf_driver = { .probe = adf_probe, .remove = adf_remove, .sriov_configure = adf_sriov_configure, + .err_handler = &adf_err_handler, }; static void adf_cleanup_pci_dev(struct adf_accel_dev *accel_dev) @@ -192,11 +193,7 @@ static int adf_probe(struct pci_dev *pdev, const struct pci_device_id *ent) } pci_set_master(pdev); - if (adf_enable_aer(accel_dev)) { - dev_err(&pdev->dev, "Failed to enable aer\n"); - ret = -EFAULT; - goto out_err_free_reg; - } + adf_enable_aer(accel_dev); if (pci_save_state(pdev)) { dev_err(&pdev->dev, "Failed to save pci state\n");