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

powerpc: Make radeon 32-bit MSI quirk work on powernv

Browse Source 
This moves the quirk itself to pci_64.c as to get built on all ppc64
platforms (the only ones with a pci_dn), factors the two implementations
of get_pdn() into a single pci_get_dn() and use the quirk to do 32-bit
MSIs on IODA based powernv platforms.

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
This commit is contained in:
Benjamin Herrenschmidt
2013-05-21 22:58:21 +00:00
parent 59affcd3e4
commit b72c1f6514
6 changed files with 38 additions and 48 deletions
Download Patch File Download Diff File Expand all files Collapse all files

10
arch/powerpc/kernel/pci_64.c
View File

@@ -266,3 +266,13 @@ int pcibus_to_node(struct pci_bus *bus)
}
EXPORT_SYMBOL(pcibus_to_node);
#endif
static void quirk_radeon_32bit_msi(struct pci_dev *dev)
{
struct pci_dn *pdn = pci_get_pdn(dev);
if (pdn)
pdn->force_32bit_msi = 1;
}
DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_ATI, 0x68f2, quirk_radeon_32bit_msi);
DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_ATI, 0xaa68, quirk_radeon_32bit_msi);