From: Jianjun Wang jianjun.wang@mediatek.com
stable inclusion from stable-5.10.67 commit 9d6090575406e504d4143b171482b8e5591e85ef bugzilla: 182619 https://gitee.com/openeuler/kernel/issues/I4EWO7
Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=...
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commit 9cc742078c9a90cdd4cf131e9f760e6965df9048 upstream.
This interface will be used by PCI host drivers for PIO translation, export it to support compiling those drivers as kernel modules.
Link: https://lore.kernel.org/r/20210420061723.989-3-jianjun.wang@mediatek.com Signed-off-by: Jianjun Wang jianjun.wang@mediatek.com Signed-off-by: Lorenzo Pieralisi lorenzo.pieralisi@arm.com Acked-by: Bjorn Helgaas bhelgaas@google.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org Signed-off-by: Chen Jun chenjun102@huawei.com Acked-by: Weilong Chen chenweilong@huawei.com
Signed-off-by: Chen Jun chenjun102@huawei.com --- drivers/pci/pci.c | 1 + 1 file changed, 1 insertion(+)
diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c index 29f5d699fa06..05a84f095fe7 100644 --- a/drivers/pci/pci.c +++ b/drivers/pci/pci.c @@ -4043,6 +4043,7 @@ phys_addr_t pci_pio_to_address(unsigned long pio)
return address; } +EXPORT_SYMBOL_GPL(pci_pio_to_address);
unsigned long __weak pci_address_to_pio(phys_addr_t address) {