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-rw-r--r--drivers/pci/pci.c12
-rw-r--r--include/linux/pci.h1
2 files changed, 13 insertions, 0 deletions
diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c
index 447e834..c87d518 100644
--- a/drivers/pci/pci.c
+++ b/drivers/pci/pci.c
@@ -2666,6 +2666,18 @@ static void __pci_set_master(struct pci_dev *dev, bool enable)
}
/**
+ * pcibios_setup - process "pci=" kernel boot arguments
+ * @str: string used to pass in "pci=" kernel boot arguments
+ *
+ * Process kernel boot arguments. This is the default implementation.
+ * Architecture specific implementations can override this as necessary.
+ */
+char * __weak __init pcibios_setup(char *str)
+{
+ return str;
+}
+
+/**
* pcibios_set_master - enable PCI bus-mastering for device dev
* @dev: the PCI device to enable
*
diff --git a/include/linux/pci.h b/include/linux/pci.h
index d8c379d..f91143e 100644
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -642,6 +642,7 @@ extern int no_pci_devices(void);
void pcibios_fixup_bus(struct pci_bus *);
int __must_check pcibios_enable_device(struct pci_dev *, int mask);
+/* Architecture specific versions may override this (weak) */
char *pcibios_setup(char *str);
/* Used only when drivers/pci/setup.c is used */
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