From nobody Fri Dec 19 20:38:11 2025 Received: from m16.mail.163.com (m16.mail.163.com [117.135.210.5]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 7CCB519CC27; Fri, 16 May 2025 16:53:09 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=117.135.210.5 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1747414394; cv=none; b=o2BNqE2JvAVPP6ikOpS6HF7KWvvvKHRil9bRqzP5LMTAElJR6OKoFCzI5ZX0cwFInMCs4jCR+Wpv0cxKKcnEDWOsnasoXE8tdy7Q8iKcOWIK293OCgZWNe/39KOMvqg8vbpoHaEHgZWUeOY9QP8U59vUDzU8efz3PEsP+rtvsp4= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1747414394; c=relaxed/simple; bh=BsSgLnE6h6bvF6fJpIVKnxDPCk+WSApp6tFuzlSbHQg=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=JYvSm8ihpbO70TG9dmy5U+6heYnJTwazhaFHvOigaUxTn/RjKNLbOYsZ2ylCDDs5GZzU446pTp8jr/UCXczEHA1kCHOLb3vsddEHxxYgvWutH9jglajVqBaJ3TOKS+5HyUCpxT3OKD02ST9SWNn5+V5NcS+a9Rce/JRYGwRWapM= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=163.com; spf=pass smtp.mailfrom=163.com; dkim=pass (1024-bit key) header.d=163.com header.i=@163.com header.b=P32eJtuW; arc=none smtp.client-ip=117.135.210.5 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=163.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=163.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=163.com header.i=@163.com header.b="P32eJtuW" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=163.com; s=s110527; h=From:To:Subject:Date:Message-Id:MIME-Version; bh=W8 Wyc0oz1RiDi99p1fQyjPjdTuXAIjZu9RzRSofe2HA=; b=P32eJtuW6/Bp95XoZs IcHtRPN9qh77aDMds9OrXYMKKewOwUCRYtNzFvkxREWbBQ+mxlmJeUo7y4yDNWyY S/NonKKTjar+aksUkUVMKuxVMsz7mL5jl+xkdT1wkPwmizOk6FLqWDm+ICdsh0xn nCrX0Xs6HDoHoUmmS+Ja1Fhlg= Received: from localhost.localdomain (unknown []) by gzga-smtp-mtada-g0-4 (Coremail) with SMTP id _____wDn1+RLbSdo12CoBw--.59952S3; Sat, 17 May 2025 00:52:28 +0800 (CST) From: Hans Zhang <18255117159@163.com> To: bhelgaas@google.com, tglx@linutronix.de, kw@linux.com, manivannan.sadhasivam@linaro.org, mahesh@linux.ibm.com Cc: oohall@gmail.com, linux-pci@vger.kernel.org, linux-kernel@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, Hans Zhang Subject: [PATCH 1/2] PCI/MSI: Use bool for MSI enable state tracking Date: Sat, 17 May 2025 00:52:22 +0800 Message-Id: <20250516165223.125083-2-18255117159@163.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20250516165223.125083-1-18255117159@163.com> References: <20250516165223.125083-1-18255117159@163.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-CM-TRANSID: _____wDn1+RLbSdo12CoBw--.59952S3 X-Coremail-Antispam: 1Uf129KBjvJXoWxWry7tw13trWkAF1DCw43Awb_yoW5CFy8pF WvvF1rAr48Gay8Gr43Aw4UZ3W3XFs8Xa4xKrW8G345Z3W2ya4ktFn5tFy7W3WSqrWkuF13 Arn0yF4UGay5AFUanT9S1TB71UUUUU7qnTZGkaVYY2UrUUUUjbIjqfuFe4nvWSU5nxnvy2 9KBjDUYxBIdaVFxhVjvjDU0xZFpf9x07j0hFxUUUUU= X-CM-SenderInfo: rpryjkyvrrlimvzbiqqrwthudrp/1tbiWx5Po2gnaWRfUAAAsk Content-Type: text/plain; charset="utf-8" From: Hans Zhang Convert pci_msi_enable and pci_msi_enabled() to use bool type for clarity. No functional changes, only code cleanup. Signed-off-by: Hans Zhang --- drivers/pci/msi/api.c | 2 +- drivers/pci/msi/msi.c | 4 ++-- drivers/pci/msi/msi.h | 2 +- include/linux/pci.h | 4 ++-- 4 files changed, 6 insertions(+), 6 deletions(-) diff --git a/drivers/pci/msi/api.c b/drivers/pci/msi/api.c index 17ec6332cb1d..bf7ae69c142b 100644 --- a/drivers/pci/msi/api.c +++ b/drivers/pci/msi/api.c @@ -401,7 +401,7 @@ EXPORT_SYMBOL_GPL(pci_restore_msi_state); * Return: true if MSI has not been globally disabled through ACPI FADT, * PCI bridge quirks, or the "pci=3Dnomsi" kernel command-line option. */ -int pci_msi_enabled(void) +bool pci_msi_enabled(void) { return pci_msi_enable; } diff --git a/drivers/pci/msi/msi.c b/drivers/pci/msi/msi.c index 8b8848788618..82e2d13ce816 100644 --- a/drivers/pci/msi/msi.c +++ b/drivers/pci/msi/msi.c @@ -15,7 +15,7 @@ #include "../pci.h" #include "msi.h" =20 -int pci_msi_enable =3D 1; +bool pci_msi_enable =3D true; =20 /** * pci_msi_supported - check whether MSI may be enabled on a device @@ -928,5 +928,5 @@ EXPORT_SYMBOL(msi_desc_to_pci_dev); =20 void pci_no_msi(void) { - pci_msi_enable =3D 0; + pci_msi_enable =3D false; } diff --git a/drivers/pci/msi/msi.h b/drivers/pci/msi/msi.h index ee53cf079f4e..fc70b601e942 100644 --- a/drivers/pci/msi/msi.h +++ b/drivers/pci/msi/msi.h @@ -87,7 +87,7 @@ static inline __attribute_const__ u32 msi_multi_mask(stru= ct msi_desc *desc) void msix_prepare_msi_desc(struct pci_dev *dev, struct msi_desc *desc); =20 /* Subsystem variables */ -extern int pci_msi_enable; +extern bool pci_msi_enable; =20 /* MSI internal functions invoked from the public APIs */ void pci_msi_shutdown(struct pci_dev *dev); diff --git a/include/linux/pci.h b/include/linux/pci.h index 51e2bd6405cd..b231cbc67a35 100644 --- a/include/linux/pci.h +++ b/include/linux/pci.h @@ -1671,7 +1671,7 @@ void pci_disable_msi(struct pci_dev *dev); int pci_msix_vec_count(struct pci_dev *dev); void pci_disable_msix(struct pci_dev *dev); void pci_restore_msi_state(struct pci_dev *dev); -int pci_msi_enabled(void); +bool pci_msi_enabled(void); int pci_enable_msi(struct pci_dev *dev); int pci_enable_msix_range(struct pci_dev *dev, struct msix_entry *entries, int minvec, int maxvec); @@ -1704,7 +1704,7 @@ static inline void pci_disable_msi(struct pci_dev *de= v) { } static inline int pci_msix_vec_count(struct pci_dev *dev) { return -ENOSYS= ; } static inline void pci_disable_msix(struct pci_dev *dev) { } static inline void pci_restore_msi_state(struct pci_dev *dev) { } -static inline int pci_msi_enabled(void) { return 0; } +static inline bool pci_msi_enabled(void) { return false; } static inline int pci_enable_msi(struct pci_dev *dev) { return -ENOSYS; } static inline int pci_enable_msix_range(struct pci_dev *dev, --=20 2.25.1