diff options
author | Yu Zhao <yu.zhao@intel.com> | 2008-11-22 02:40:40 +0800 |
---|---|---|
committer | Jesse Barnes <jbarnes@virtuousgeek.org> | 2009-01-07 11:13:02 -0800 |
commit | 0b400c7ed4d027e02f6231afa39852a2d48e6f25 (patch) | |
tree | 976e87d95aefac36b14c8407ff3ba9aa34f0cd03 /drivers/pci/probe.c | |
parent | bc5f5a8277cb353161454b6704b3186ebcf3a2a3 (diff) | |
download | kernel_samsung_espresso10-0b400c7ed4d027e02f6231afa39852a2d48e6f25.zip kernel_samsung_espresso10-0b400c7ed4d027e02f6231afa39852a2d48e6f25.tar.gz kernel_samsung_espresso10-0b400c7ed4d027e02f6231afa39852a2d48e6f25.tar.bz2 |
PCI: export __pci_read_base()
Export __pci_read_base() so it can be used by whole PCI subsystem.
Signed-off-by: Yu Zhao <yu.zhao@intel.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Diffstat (limited to 'drivers/pci/probe.c')
-rw-r--r-- | drivers/pci/probe.c | 20 |
1 files changed, 9 insertions, 11 deletions
diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c index e1cf5d5..5372d36 100644 --- a/drivers/pci/probe.c +++ b/drivers/pci/probe.c @@ -135,13 +135,6 @@ static u64 pci_size(u64 base, u64 maxbase, u64 mask) return size; } -enum pci_bar_type { - pci_bar_unknown, /* Standard PCI BAR probe */ - pci_bar_io, /* An io port BAR */ - pci_bar_mem32, /* A 32-bit memory BAR */ - pci_bar_mem64, /* A 64-bit memory BAR */ -}; - static inline enum pci_bar_type decode_bar(struct resource *res, u32 bar) { if ((bar & PCI_BASE_ADDRESS_SPACE) == PCI_BASE_ADDRESS_SPACE_IO) { @@ -156,11 +149,16 @@ static inline enum pci_bar_type decode_bar(struct resource *res, u32 bar) return pci_bar_mem32; } -/* - * If the type is not unknown, we assume that the lowest bit is 'enable'. - * Returns 1 if the BAR was 64-bit and 0 if it was 32-bit. +/** + * pci_read_base - read a PCI BAR + * @dev: the PCI device + * @type: type of the BAR + * @res: resource buffer to be filled in + * @pos: BAR position in the config space + * + * Returns 1 if the BAR is 64-bit, or 0 if 32-bit. */ -static int __pci_read_base(struct pci_dev *dev, enum pci_bar_type type, +int __pci_read_base(struct pci_dev *dev, enum pci_bar_type type, struct resource *res, unsigned int pos) { u32 l, sz, mask; |