linux-kernel - [PATCH v6 01/10] PCI: Make pcim_request_all

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Message-ID: <20241030112743.104395-2-pstanner@redhat.com>
Date: Wed, 30 Oct 2024 12:27:34 +0100
From: Philipp Stanner <pstanner@...hat.com>
To: Jonathan Corbet <corbet@....net>,
	Damien Le Moal <dlemoal@...nel.org>,
	Niklas Cassel <cassel@...nel.org>,
	Giovanni Cabiddu <giovanni.cabiddu@...el.com>,
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	Uwe Kleine-König <u.kleine-koenig@...gutronix.de>,
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Cc: linux-doc@...r.kernel.org,
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Subject: [PATCH v6 01/10] PCI: Make pcim_request_all_regions() a public function

In order to remove the deprecated function
pcim_iomap_regions_request_all(), a few drivers need an interface to
request all BARs a PCI device offers.

Make pcim_request_all_regions() a public interface.

Signed-off-by: Philipp Stanner <pstanner@...hat.com>
Reviewed-by: Damien Le Moal <dlemoal@...nel.org>
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@...ux.intel.com>
---
 drivers/pci/devres.c | 3 ++-
 include/linux/pci.h  | 1 +
 2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/pci/devres.c b/drivers/pci/devres.c
index b133967faef8..2a64da5c91fb 100644
--- a/drivers/pci/devres.c
+++ b/drivers/pci/devres.c
@@ -939,7 +939,7 @@ static void pcim_release_all_regions(struct pci_dev *pdev)
  * desired, release individual regions with pcim_release_region() or all of
  * them at once with pcim_release_all_regions().
  */
-static int pcim_request_all_regions(struct pci_dev *pdev, const char *name)
+int pcim_request_all_regions(struct pci_dev *pdev, const char *name)
 {
 	int ret;
 	int bar;
@@ -957,6 +957,7 @@ static int pcim_request_all_regions(struct pci_dev *pdev, const char *name)
 
 	return ret;
 }
+EXPORT_SYMBOL(pcim_request_all_regions);
 
 /**
  * pcim_iomap_regions_request_all - Request all BARs and iomap specified ones
diff --git a/include/linux/pci.h b/include/linux/pci.h
index 573b4c4c2be6..3b151c8331e5 100644
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -2293,6 +2293,7 @@ static inline void pci_fixup_device(enum pci_fixup_pass pass,
 				    struct pci_dev *dev) { }
 #endif
 
+int pcim_request_all_regions(struct pci_dev *pdev, const char *name);
 void __iomem *pcim_iomap(struct pci_dev *pdev, int bar, unsigned long maxlen);
 void __iomem *pcim_iomap_region(struct pci_dev *pdev, int bar,
 				const char *name);
-- 
2.47.0