From patchwork Fri Feb 26 15:50:53 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dejin Zheng X-Patchwork-Id: 387910 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-15.7 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 83264C433E9 for ; Fri, 26 Feb 2021 15:52:02 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 4976764EF0 for ; Fri, 26 Feb 2021 15:52:02 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229954AbhBZPvu (ORCPT ); Fri, 26 Feb 2021 10:51:50 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40920 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229698AbhBZPvs (ORCPT ); Fri, 26 Feb 2021 10:51:48 -0500 Received: from mail-pg1-x529.google.com (mail-pg1-x529.google.com [IPv6:2607:f8b0:4864:20::529]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 5F4AFC061756; Fri, 26 Feb 2021 07:51:06 -0800 (PST) Received: by mail-pg1-x529.google.com with SMTP id o63so6447644pgo.6; Fri, 26 Feb 2021 07:51:06 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=3cnyege2lkvyTzpBpEwQIGSU7jGEQIJcUXr0wZfuG3I=; b=ki2ojrFhidCe/PlzX1H75NNXpwP9+iOjCBi9L1PLXFjIMfsblWfmQsOlF0WyO36Fc2 BEG1lRGXSh5AKHpasU6Anb81z20P1QCGzJ/GZNzZcxSxD6jH7aBvpJEhf3ed3lgKuMCM eVRej7hI7Jyu2fUKWo9pyilS8vLMfwvhPnuCDN5y8axt1vezG5A/8eN1LaeGlzfXPK1x u3sZobWgM3S6VsS6UTXQwrrZdu1Z7bKM9fMryYXY4U/DAsywAs/dQHqIA3UBywnVi/R8 Xa5TP74rNN45cllVfXmF6eEduQsaEoq1p4Lfg76bIGUa4kR9gLeYw2xN3Lrv+wHFEBQE CKLg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=3cnyege2lkvyTzpBpEwQIGSU7jGEQIJcUXr0wZfuG3I=; b=jgxQjWv1MRbXjLzNNH/gVNtZfea47e2+5IGwwobUp0YJEiaPc/W1JoImwM2FECDjNS NWtCIRarxEGm+cDOLxBe90Tj3PslnTMFYsKayHNPgTPotLXCNZ5wVuiMOY25npz3N30f R8dc+TBMYZxa8pJwgg8gRgQfKfDYQIJ6lnRHMCFYdKo6eCcmDWghyxm/Siw9SjbnKJPi gUdiNS7teQgBhoaG1AyJ1QsqBbHVUnwTrxdgUnG8s9QqMFQK+sAGx2EMQsZwMkBD7OvQ gQGdjODG5TXYor72/+QyiDQ8+CVxJd8rGYaKJ2Z5Ovfjdxd06wAech7DtCGIj49nzqvH F6Sg== X-Gm-Message-State: AOAM532F8HQzSjgpJhBviTf5PSkaCm3Dw77Ib9PZ80uLjUgWwug8Q5W1 WjKpvnUb7XtcoiQVWNjepXQ= X-Google-Smtp-Source: ABdhPJyXELNZNnHM/+p7yBNowPhVbez2cDEd/pjFAK70wtiUKpzKsa2DwkLEhn/kYIJz/jQVsgFPbg== X-Received: by 2002:a65:6289:: with SMTP id f9mr3321403pgv.373.1614354665951; Fri, 26 Feb 2021 07:51:05 -0800 (PST) Received: from localhost (89.208.244.53.16clouds.com. [89.208.244.53]) by smtp.gmail.com with ESMTPSA id v123sm9463899pfc.63.2021.02.26.07.51.05 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 26 Feb 2021 07:51:05 -0800 (PST) From: Dejin Zheng To: corbet@lwn.net, jarkko.nikula@linux.intel.com, andriy.shevchenko@linux.intel.com, mika.westerberg@linux.intel.com, rric@kernel.org, bhelgaas@google.com, wsa@kernel.org, linux-doc@vger.kernel.org, linux-i2c@vger.kernel.org, linux-pci@vger.kernel.org Cc: linux-kernel@vger.kernel.org, Dejin Zheng Subject: [PATCH v5 1/4] PCI: Introduce pcim_alloc_irq_vectors() Date: Fri, 26 Feb 2021 23:50:53 +0800 Message-Id: <20210226155056.1068534-2-zhengdejin5@gmail.com> X-Mailer: git-send-email 2.25.0 In-Reply-To: <20210226155056.1068534-1-zhengdejin5@gmail.com> References: <20210226155056.1068534-1-zhengdejin5@gmail.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-i2c@vger.kernel.org Introduce pcim_alloc_irq_vectors(), a device-managed version of pci_alloc_irq_vectors(). Introducing this function can simplify the error handling path in many drivers. And use pci_free_irq_vectors() to replace some code in pcim_release(), they are equivalent, and no functional change. It is more explicit that pcim_alloc_irq_vectors() is a device-managed function. Suggested-by: Andy Shevchenko Signed-off-by: Dejin Zheng Acked-by: Bjorn Helgaas --- v4 -> v5: - Remove the check of enable device in pcim_alloc_irq_vectors() and make it as a static line function. v3 -> v4: - No change v2 -> v3: - Add some commit comments for replace some codes in pcim_release() by pci_free_irq_vectors(). v1 -> v2: - Use pci_free_irq_vectors() to replace some code in pcim_release(). - Modify some commit messages. drivers/pci/pci.c | 5 +---- include/linux/pci.h | 24 ++++++++++++++++++++++++ 2 files changed, 25 insertions(+), 4 deletions(-) diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c index 16a17215f633..fecfdc0add2f 100644 --- a/drivers/pci/pci.c +++ b/drivers/pci/pci.c @@ -1969,10 +1969,7 @@ static void pcim_release(struct device *gendev, void *res) struct pci_devres *this = res; int i; - if (dev->msi_enabled) - pci_disable_msi(dev); - if (dev->msix_enabled) - pci_disable_msix(dev); + pci_free_irq_vectors(dev); for (i = 0; i < DEVICE_COUNT_RESOURCE; i++) if (this->region_mask & (1 << i)) diff --git a/include/linux/pci.h b/include/linux/pci.h index 86c799c97b77..5cafd7d65fd7 100644 --- a/include/linux/pci.h +++ b/include/linux/pci.h @@ -1818,6 +1818,30 @@ pci_alloc_irq_vectors(struct pci_dev *dev, unsigned int min_vecs, NULL); } +/** + * pcim_alloc_irq_vectors - a device-managed pci_alloc_irq_vectors() + * @dev: PCI device to operate on + * @min_vecs: minimum number of vectors required (must be >= 1) + * @max_vecs: maximum (desired) number of vectors + * @flags: flags or quirks for the allocation + * + * Return the number of vectors allocated, (which might be smaller than + * @max_vecs) if successful, or a negative error code on error. If less + * than @min_vecs interrupt vectors are available for @dev the function + * will fail with -ENOSPC. + * + * It depends on calling pcim_enable_device() to make IRQ resources + * manageable. + */ +static inline int +pcim_alloc_irq_vectors(struct pci_dev *dev, unsigned int min_vecs, + unsigned int max_vecs, unsigned int flags) +{ + if (!pci_is_managed(dev)) + return -EINVAL; + return pci_alloc_irq_vectors(dev, min_vecs, max_vecs, flags); +} + /* Include architecture-dependent settings and functions */ #include From patchwork Fri Feb 26 15:50:54 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dejin Zheng X-Patchwork-Id: 388292 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-15.7 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 6E52CC43333 for ; Fri, 26 Feb 2021 15:52:03 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 4752D64EED for ; Fri, 26 Feb 2021 15:52:03 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229993AbhBZPvw (ORCPT ); Fri, 26 Feb 2021 10:51:52 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40928 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229990AbhBZPvu (ORCPT ); Fri, 26 Feb 2021 10:51:50 -0500 Received: from mail-pg1-x52b.google.com (mail-pg1-x52b.google.com [IPv6:2607:f8b0:4864:20::52b]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 99693C061786; Fri, 26 Feb 2021 07:51:08 -0800 (PST) Received: by mail-pg1-x52b.google.com with SMTP id n10so6429575pgl.10; Fri, 26 Feb 2021 07:51:08 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=EYv/mJxKPjVOLew2rn62IgtnY4RP7SORjigSii1Fy/A=; b=NxFxvhxK5304614G2GOSt84YpgjPPRtwbTMh4OsIpkOHSYT6unL5QE4aEbMeR0uHVS r0iflqX7w1AM2r3GjoVhQSKJYWzEVcGAuPUJbbfe03qRgXb6fnl03ZbiV2jnK6kQhfNX bW1B6yfYhAgyfdRirwgAgnWJ8A043YuIR6jkpdT1J7nCJJ5aWzG7OE3OKg8cbaxCnzfe vHoGaC4s+QJolWbY3EHZ6YASEnD4D4McaHlYjdYVqKl84/+xwek0a1gnvGtymSsVle59 RWOe9KvgLCi8lYYbS1zT2PzUUE7m9Sj8j55os30LY2rlyPHNRTeI/Nvkm1oEAYSkbzPl 4Jbw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=EYv/mJxKPjVOLew2rn62IgtnY4RP7SORjigSii1Fy/A=; b=fa9Y6sPPLC4G3+1fcifbS9+EJLyUb6rqebogXPFFQsXxKHjM+TLkyMEUjVKFjQlChx s1LAHCqy/ZiWAdgHGXDFecXv2sKp0FHZAYN1v5p2DNB220vmpBvj9BoIto9yZpMJoRBv c4G61ISaE0AZTNkBGAVU+DTrEhxTEhxn/JZl+eOIBLkVVETEMJ5wU8KY3u8fDBRBSlUW v4tbls7k1ZzAoMN7pI6cVvCAdZUAWKT5lv+QwUOpFqIUKjv6UbD1QW/KsPASCUmihDUp 17csC05p9L69Bmb+RbE0NMxlCDJU/SNoZWoHmWCwOxCv4uvFE6hqsa1IiSABCwegPLxu aupA== X-Gm-Message-State: AOAM530ReWQ/FKob6GPXDqVWAmQ2fIvXBDw/Kh48s94/Jp1R2iFUicgR z9iQ7E85y3j1qI+h7x6LPyQ= X-Google-Smtp-Source: ABdhPJxVdd7oEeDQm+TFuPdFoBmREOJAEtezT6ChUqR0J2wXiiNezjMQN0Y6ZA/TnbITZgpRtUWk1Q== X-Received: by 2002:a63:4761:: with SMTP id w33mr3484306pgk.118.1614354668272; Fri, 26 Feb 2021 07:51:08 -0800 (PST) Received: from localhost (89.208.244.53.16clouds.com. [89.208.244.53]) by smtp.gmail.com with ESMTPSA id v7sm10397503pfv.93.2021.02.26.07.51.07 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 26 Feb 2021 07:51:08 -0800 (PST) From: Dejin Zheng To: corbet@lwn.net, jarkko.nikula@linux.intel.com, andriy.shevchenko@linux.intel.com, mika.westerberg@linux.intel.com, rric@kernel.org, bhelgaas@google.com, wsa@kernel.org, linux-doc@vger.kernel.org, linux-i2c@vger.kernel.org, linux-pci@vger.kernel.org Cc: linux-kernel@vger.kernel.org, Dejin Zheng Subject: [PATCH v5 2/4] Documentation: devres: Add pcim_alloc_irq_vectors() Date: Fri, 26 Feb 2021 23:50:54 +0800 Message-Id: <20210226155056.1068534-3-zhengdejin5@gmail.com> X-Mailer: git-send-email 2.25.0 In-Reply-To: <20210226155056.1068534-1-zhengdejin5@gmail.com> References: <20210226155056.1068534-1-zhengdejin5@gmail.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-i2c@vger.kernel.org Add pcim_alloc_irq_vectors(), a device-managed version of pci_alloc_irq_vectors(). introducing this function can simplify the error handling path in many drivers. Signed-off-by: Dejin Zheng --- v4 -> v5: - No change v3 -> v4: - No change v2 -> v3: - No change v1 -> v2: - Modify some commit messages. Documentation/driver-api/driver-model/devres.rst | 1 + 1 file changed, 1 insertion(+) diff --git a/Documentation/driver-api/driver-model/devres.rst b/Documentation/driver-api/driver-model/devres.rst index cd8b6e657b94..a52f65b6352f 100644 --- a/Documentation/driver-api/driver-model/devres.rst +++ b/Documentation/driver-api/driver-model/devres.rst @@ -380,6 +380,7 @@ PCI devm_pci_alloc_host_bridge() : managed PCI host bridge allocation devm_pci_remap_cfgspace() : ioremap PCI configuration space devm_pci_remap_cfg_resource() : ioremap PCI configuration space resource + pcim_alloc_irq_vectors() : managed IRQ vectors allocation pcim_enable_device() : after success, all PCI ops become managed pcim_pin_device() : keep PCI device enabled after release From patchwork Fri Feb 26 15:50:55 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dejin Zheng X-Patchwork-Id: 387909 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-15.7 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED, USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id C3CAFC432C3 for ; Fri, 26 Feb 2021 15:52:03 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 8B5F664F1B for ; Fri, 26 Feb 2021 15:52:03 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230014AbhBZPvz (ORCPT ); Fri, 26 Feb 2021 10:51:55 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40938 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230001AbhBZPvx (ORCPT ); Fri, 26 Feb 2021 10:51:53 -0500 Received: from mail-pg1-x52f.google.com (mail-pg1-x52f.google.com [IPv6:2607:f8b0:4864:20::52f]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id EF3FCC061788; Fri, 26 Feb 2021 07:51:10 -0800 (PST) Received: by mail-pg1-x52f.google.com with SMTP id o63so6447789pgo.6; Fri, 26 Feb 2021 07:51:10 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=za8eu1JYR+W6Qrs53oiJmSIh8L3ByYlyVjAb99OLBoQ=; b=oXpVpXZHvj/d5U6nx2W8ZVQtECAzv/YPcuOckMQgSBfZOfzTlxbkr31+yp90Mw/SLY /5LE13WfnBs6IKlwdEesM3RX4ZmGneMolw8bOJesCX8EY90P43DZZwpENnkXU/xSqOnT Yv+NPWFW8xkswNwEFj8KfHze+PrFgX7HUPOBqumEjFsTYn7euXGYVxraUf7Xl4XEtFb5 PLwLbOJSgW6CGxjaDHsQKtz2X42PwnQyE7patUXIVh4Y1cQ9oXassFHOQNOSlvKNnpe9 4IvkiV7Y7DxJ56c/BmJfQSv0M+7RpkBnbVdviZoRRgkMtP0JryKp8FdzMhviLfskbl3F Aojw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=za8eu1JYR+W6Qrs53oiJmSIh8L3ByYlyVjAb99OLBoQ=; b=J5F/JPLrKNGnuasYMDXshr8Qqcx3wqVApe8y6rsM5Lqgz+kVxdE4xUTiS0QgelDmpL AbvxaCCJoYVP8DA0F0ckdaWWe8lYxo5PtbiPDIw6qBCTqEn8pUjPPfQsW0Cimp5BZ91p 7IMwcinjHiM443n1Vpcgl45dQO1S82DO3S2S4CvvUs383HQEqfXyCCZae0I86Dy5p17e bvg5fBTeqXTOtiskm9R7+Puz4SKLZW6YbUX9tH1LeK7bbayfMQTi+5AGjZLFNt5exqkk 83K2ocNGTGvrvXYtvxKCMpwFb0KWwNm8v4VIbJwaQlIqUX9lH7nFeqYi6WBDM5gXkf5p LjHQ== X-Gm-Message-State: AOAM530KaQxOnIrAH10GfEamPUOokUj5wD6LWuNS6d68ceXjq/NmhQLD wFoJ3iRij+S163uLgEnx4sI= X-Google-Smtp-Source: ABdhPJxPAy/kl27Stu1V4S5SDw52GK+PhDfQ2S+4w1MT/G5gNvJmzHadZEYnpAadC3SAuivyqwOPwg== X-Received: by 2002:a63:5b0e:: with SMTP id p14mr3424782pgb.110.1614354670560; Fri, 26 Feb 2021 07:51:10 -0800 (PST) Received: from localhost (89.208.244.53.16clouds.com. [89.208.244.53]) by smtp.gmail.com with ESMTPSA id d26sm10103662pfq.175.2021.02.26.07.51.09 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 26 Feb 2021 07:51:10 -0800 (PST) From: Dejin Zheng To: corbet@lwn.net, jarkko.nikula@linux.intel.com, andriy.shevchenko@linux.intel.com, mika.westerberg@linux.intel.com, rric@kernel.org, bhelgaas@google.com, wsa@kernel.org, linux-doc@vger.kernel.org, linux-i2c@vger.kernel.org, linux-pci@vger.kernel.org Cc: linux-kernel@vger.kernel.org, Dejin Zheng Subject: [PATCH v5 3/4] i2c: designware: Use pcim_alloc_irq_vectors() to allocate IRQ vectors Date: Fri, 26 Feb 2021 23:50:55 +0800 Message-Id: <20210226155056.1068534-4-zhengdejin5@gmail.com> X-Mailer: git-send-email 2.25.0 In-Reply-To: <20210226155056.1068534-1-zhengdejin5@gmail.com> References: <20210226155056.1068534-1-zhengdejin5@gmail.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-i2c@vger.kernel.org The pcim_alloc_irq_vectors() function, an explicit device-managed version of pci_alloc_irq_vectors(). If pcim_enable_device() has been called before, then pci_alloc_irq_vectors() is actually a device-managed function. It is used here as a device-managed function, So replace it with pcim_alloc_irq_vectors(). At the same time, Remove the pci_free_irq_vectors() function to simplify the error handling path. the freeing resources will take automatically when device is gone. Acked-by: Andy Shevchenko Signed-off-by: Dejin Zheng Acked-by: Jarkko Nikula --- v4 -> v5: - Modify the subject name. v3 -> v4: - add some commit comments. v2 -> v3: - simplify the error handling path. v1 -> v2: - Modify some commit messages. drivers/i2c/busses/i2c-designware-pcidrv.c | 15 ++++----------- 1 file changed, 4 insertions(+), 11 deletions(-) diff --git a/drivers/i2c/busses/i2c-designware-pcidrv.c b/drivers/i2c/busses/i2c-designware-pcidrv.c index 55c83a7a24f3..620b41e373b6 100644 --- a/drivers/i2c/busses/i2c-designware-pcidrv.c +++ b/drivers/i2c/busses/i2c-designware-pcidrv.c @@ -219,7 +219,7 @@ static int i2c_dw_pci_probe(struct pci_dev *pdev, if (!dev) return -ENOMEM; - r = pci_alloc_irq_vectors(pdev, 1, 1, PCI_IRQ_ALL_TYPES); + r = pcim_alloc_irq_vectors(pdev, 1, 1, PCI_IRQ_ALL_TYPES); if (r < 0) return r; @@ -234,10 +234,8 @@ static int i2c_dw_pci_probe(struct pci_dev *pdev, if (controller->setup) { r = controller->setup(pdev, controller); - if (r) { - pci_free_irq_vectors(pdev); + if (r) return r; - } } i2c_dw_adjust_bus_speed(dev); @@ -246,10 +244,8 @@ static int i2c_dw_pci_probe(struct pci_dev *pdev, i2c_dw_acpi_configure(&pdev->dev); r = i2c_dw_validate_speed(dev); - if (r) { - pci_free_irq_vectors(pdev); + if (r) return r; - } i2c_dw_configure(dev); @@ -269,10 +265,8 @@ static int i2c_dw_pci_probe(struct pci_dev *pdev, adap->nr = controller->bus_num; r = i2c_dw_probe(dev); - if (r) { - pci_free_irq_vectors(pdev); + if (r) return r; - } pm_runtime_set_autosuspend_delay(&pdev->dev, 1000); pm_runtime_use_autosuspend(&pdev->dev); @@ -292,7 +286,6 @@ static void i2c_dw_pci_remove(struct pci_dev *pdev) i2c_del_adapter(&dev->adapter); devm_free_irq(&pdev->dev, dev->irq, dev); - pci_free_irq_vectors(pdev); } /* work with hotplug and coldplug */ From patchwork Fri Feb 26 15:50:56 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dejin Zheng X-Patchwork-Id: 388291 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-15.7 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 330EDC4360C for ; Fri, 26 Feb 2021 15:52:04 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id ED2D664F03 for ; Fri, 26 Feb 2021 15:52:03 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230032AbhBZPv5 (ORCPT ); Fri, 26 Feb 2021 10:51:57 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40948 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230022AbhBZPvz (ORCPT ); Fri, 26 Feb 2021 10:51:55 -0500 Received: from mail-pl1-x633.google.com (mail-pl1-x633.google.com [IPv6:2607:f8b0:4864:20::633]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 2B952C061574; Fri, 26 Feb 2021 07:51:13 -0800 (PST) Received: by mail-pl1-x633.google.com with SMTP id ba1so5526861plb.1; Fri, 26 Feb 2021 07:51:13 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=fEL2Wtcp7vRXCt6Wpq4/98VdAV/arU6OyXJ4oSsd3Hc=; b=LU65kqxdAtcmytZqXi4Eofp0P4HrKLNKG5whaGh9+xib0XaZV8nfqw8koh3an1TNjK dB8E8reDH7BIJVLQR3dYir+yBTiXR3wJA0MdoiT4uWvmWQiYCAeJVR/8O0mUjLCPkNYy fDB2s3Tbs4bHA3iv4A2hcN8+I+4Mc4OaG2bFfxiLQDooRBDaeYmLFzj3ntgVo/XYQmyk MmFG/Q0Caqgv30y6MX9mYcaJuzJJaz9aAYmSg1nTIF/AQCOU1fGzc26yUYhDULLJHk8L jd/frsVkeEdUCmzDQJUHNy7TsxXYp1kjt2+FmPnsuv6zWI8bT2Rb8fGSf17hZ5EnkuL+ dCYw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=fEL2Wtcp7vRXCt6Wpq4/98VdAV/arU6OyXJ4oSsd3Hc=; b=PYeuIEhXbvfUYAHO3trIyemVlxnV5olb55nqGdZO4UrJ4TIP2sLBO3fh0iu96Loep0 UCVJKiRT/cIGuLryOm0RBIW79nYCfgu1NxGDopWSGT/JXJQ1ngxIvrnVB1/7U3Fx4Eze biBHeXKf0k8PYA0AuBdsMTHMVwNmxRkKKYbSYUMy/Um2Fw0KLOPlcySCuyo0ZimMLXza rNkgzFTYVZutPJeilarv2cYHU79DwLVHdBjVuQa3UwW41NtwfN6IWDftW/Gxr4Sv+5pR 4v2Vi1C5eDX+Uv8ZtgQiDU+9aSDoqU6+AtUCxucG65OmgCyDGoOqTLN/HFtriH3UvQUG LTKg== X-Gm-Message-State: AOAM530pmn7yWNNc0vbYn3onv4O4CMDh3KcLIq8rzBSGdK1bp8te3iHA RXLG53+pdyDjm96ihmMXnSA= X-Google-Smtp-Source: ABdhPJzUwETcuVjPTkuHc2piKLP77s1XLRtMjupnxum752PTWEpJAkLXBIMXadfMspFIUD1YjtQwvQ== X-Received: by 2002:a17:90b:390b:: with SMTP id ob11mr4237550pjb.50.1614354672768; Fri, 26 Feb 2021 07:51:12 -0800 (PST) Received: from localhost (89.208.244.53.16clouds.com. [89.208.244.53]) by smtp.gmail.com with ESMTPSA id b18sm9763881pfb.197.2021.02.26.07.51.12 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 26 Feb 2021 07:51:12 -0800 (PST) From: Dejin Zheng To: corbet@lwn.net, jarkko.nikula@linux.intel.com, andriy.shevchenko@linux.intel.com, mika.westerberg@linux.intel.com, rric@kernel.org, bhelgaas@google.com, wsa@kernel.org, linux-doc@vger.kernel.org, linux-i2c@vger.kernel.org, linux-pci@vger.kernel.org Cc: linux-kernel@vger.kernel.org, Dejin Zheng Subject: [PATCH v5 4/4] i2c: thunderx: Use pcim_alloc_irq_vectors() to allocate IRQ vectors Date: Fri, 26 Feb 2021 23:50:56 +0800 Message-Id: <20210226155056.1068534-5-zhengdejin5@gmail.com> X-Mailer: git-send-email 2.25.0 In-Reply-To: <20210226155056.1068534-1-zhengdejin5@gmail.com> References: <20210226155056.1068534-1-zhengdejin5@gmail.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-i2c@vger.kernel.org The pcim_alloc_irq_vectors() function, an explicit device-managed version of pci_alloc_irq_vectors(). If pcim_enable_device() has been called before, then pci_alloc_irq_vectors() is actually a device-managed function. It is used here as a device-managed function, So replace it with pcim_alloc_irq_vectors(). Signed-off-by: Dejin Zheng --- v4 -> v5: - Modify the subject name. v3 -> v4: - No change. v2 -> v3: - No change. v1 -> v2: - Modify some commit messages. drivers/i2c/busses/i2c-thunderx-pcidrv.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/i2c/busses/i2c-thunderx-pcidrv.c b/drivers/i2c/busses/i2c-thunderx-pcidrv.c index 12c90aa0900e..63354e9fb726 100644 --- a/drivers/i2c/busses/i2c-thunderx-pcidrv.c +++ b/drivers/i2c/busses/i2c-thunderx-pcidrv.c @@ -192,7 +192,7 @@ static int thunder_i2c_probe_pci(struct pci_dev *pdev, i2c->hlc_int_enable = thunder_i2c_hlc_int_enable; i2c->hlc_int_disable = thunder_i2c_hlc_int_disable; - ret = pci_alloc_irq_vectors(pdev, 1, 1, PCI_IRQ_MSIX); + ret = pcim_alloc_irq_vectors(pdev, 1, 1, PCI_IRQ_MSIX); if (ret < 0) goto error;