xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

ARM: PCI: provide a default bus scan implementation

Browse Source 
Most PCI implementations perform simple root bus scanning.  Rather than
having each group of platforms provide a duplicated bus scan function,
provide the PCI configuration ops structure via the hw_pci structure,
and call the root bus scanning function from core ARM PCI code.

Acked-by: Krzysztof Hałasa <khc@pm.waw.pl>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
This commit is contained in:
Russell King
2012-03-10 12:49:16 +00:00
parent daeb4c0c3b
commit c23bfc3835
52 changed files with 61 additions and 135 deletions
Download Patch File Download Diff File Expand all files Collapse all files

6
arch/arm/kernel/bios32.c
View File

@@ -452,7 +452,11 @@ static void __init pcibios_init_hw(struct hw_pci *hw)
&iomem_resource, sys->mem_offset);
}
sys->bus = hw->scan(nr, sys);
if (hw->scan)
sys->bus = hw->scan(nr, sys);
else
sys->bus = pci_scan_root_bus(NULL, sys->busnr,
hw->ops, sys, &sys->resources);
if (!sys->bus)
panic("PCI: unable to scan bus!");