linux-kernel - [PATCH 1/2] PCI: Make pcim_request_all

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Message-ID: <20240731123454.22780-2-pstanner@redhat.com>
Date: Wed, 31 Jul 2024 14:34:54 +0200
From: Philipp Stanner <pstanner@...hat.com>
To: Damien Le Moal <dlemoal@...nel.org>,
	Niklas Cassel <cassel@...nel.org>,
	Bjorn Helgaas <bhelgaas@...gle.com>
Cc: linux-ide@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	linux-pci@...r.kernel.org,
	Philipp Stanner <pstanner@...hat.com>
Subject: [PATCH 1/2] 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>
---
 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 3780a9f9ec00..0ec2b23e6cac 100644
--- a/drivers/pci/devres.c
+++ b/drivers/pci/devres.c
@@ -932,7 +932,7 @@ 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;
@@ -950,6 +950,7 @@ 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 4cf89a4b4cbc..5b5856ba63e1 100644
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -2289,6 +2289,7 @@ 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 pcim_iounmap(struct pci_dev *pdev, void __iomem *addr);
 void __iomem * const *pcim_iomap_table(struct pci_dev *pdev);
-- 
2.45.2