From: Frank Li <Frank.Li@nxp.com>
To: "Manivannan Sadhasivam" <manivannan.sadhasivam@linaro.org>,
"Krzysztof Wilczyński" <kw@linux.com>,
"Kishon Vijay Abraham I" <kishon@kernel.org>,
"Bjorn Helgaas" <bhelgaas@google.com>,
"Arnd Bergmann" <arnd@arndb.de>,
"Greg Kroah-Hartman" <gregkh@linuxfoundation.org>
Cc: linux-kernel@vger.kernel.org, linux-pci@vger.kernel.org,
imx@lists.linux.dev, Niklas Cassel <cassel@kernel.org>,
dlemoal@kernel.org, maz@kernel.org, tglx@linutronix.de,
jdmason@kudzu.us, Frank Li <Frank.Li@nxp.com>
Subject: [PATCH v3 1/6] genirq/msi: Add cleanup guard define for msi_lock_descs()/msi_unlock_descs()
Date: Tue, 15 Oct 2024 18:07:14 -0400 [thread overview]
Message-ID: <20241015-ep-msi-v3-1-cedc89a16c1a@nxp.com> (raw)
In-Reply-To: <20241015-ep-msi-v3-0-cedc89a16c1a@nxp.com>
Add a cleanup DEFINE_GUARD macro for msi_lock_descs() and
msi_unlock_descs() to simplify lock and unlock operations in error path.
Signed-off-by: Frank Li <Frank.Li@nxp.com>
---
include/linux/msi.h | 2 ++
1 file changed, 2 insertions(+)
diff --git a/include/linux/msi.h b/include/linux/msi.h
index b10093c4d00ea..0b6cb7f303887 100644
--- a/include/linux/msi.h
+++ b/include/linux/msi.h
@@ -228,6 +228,8 @@ int msi_setup_device_data(struct device *dev);
void msi_lock_descs(struct device *dev);
void msi_unlock_descs(struct device *dev);
+DEFINE_GUARD(msi_descs, struct device *, msi_lock_descs(_T), msi_unlock_descs(_T))
+
struct msi_desc *msi_domain_first_desc(struct device *dev, unsigned int domid,
enum msi_desc_filter filter);
--
2.34.1
next prev parent reply other threads:[~2024-10-15 22:08 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-10-15 22:07 [PATCH v3 0/6] PCI: EP: Add RC-to-EP doorbell with platform MSI controller Frank Li
2024-10-15 22:07 ` Frank Li [this message]
2024-10-16 1:12 ` [PATCH v3 1/6] genirq/msi: Add cleanup guard define for msi_lock_descs()/msi_unlock_descs() Damien Le Moal
2024-10-16 16:21 ` Thomas Gleixner
2024-10-16 16:33 ` Frank Li
2024-10-15 22:07 ` [PATCH v3 2/6] PCI: endpoint: Add pci_epc_get_fn() API for customizable filtering Frank Li
2024-10-15 22:07 ` [PATCH v3 3/6] PCI: endpoint: Add RC-to-EP doorbell support using platform MSI controller Frank Li
2024-10-16 1:36 ` Damien Le Moal
2024-10-16 15:03 ` Frank Li
2024-10-16 16:30 ` Thomas Gleixner
2024-10-16 16:54 ` Frank Li
2024-10-16 17:35 ` Thomas Gleixner
2024-10-15 22:07 ` [PATCH v3 4/6] PCI: endpoint: pci-epf-test: Add doorbell test support Frank Li
2024-10-18 14:01 ` Niklas Cassel
2024-10-18 14:05 ` Niklas Cassel
2024-10-18 15:13 ` Frank Li
2024-10-20 14:41 ` Niklas Cassel
2024-10-21 6:55 ` Niklas Cassel
2024-10-21 16:17 ` Frank Li
2024-10-15 22:07 ` [PATCH v3 5/6] misc: pci_endpoint_test: Add doorbell test case Frank Li
2024-10-15 22:07 ` [PATCH v3 6/6] tools: PCI: Add 'B' option for test doorbell Frank Li
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