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| author | Paul Mundt <lethal@linux-sh.org> | 2012-08-01 06:49:13 +0200 |
|---|---|---|
| committer | Paul Mundt <lethal@linux-sh.org> | 2012-08-01 06:49:13 +0200 |
| commit | 91ba548cfd5cc8ee93b9435527efb8fa4caf5c5e (patch) | |
| tree | c96ed92413044a28d17783e84a8824bfd2437af1 /arch/mips/pci/fixup-malta.c | |
| parent | sh: modify the sh_dmae_slave_config for RSPI in setup-sh7757 (diff) | |
| parent | serial: sh-sci: fix compilation breakage, when DMA is enabled (diff) | |
| download | linux-91ba548cfd5cc8ee93b9435527efb8fa4caf5c5e.tar.xz linux-91ba548cfd5cc8ee93b9435527efb8fa4caf5c5e.zip | |
Merge branch 'sh/dmaengine' into sh-latest
Diffstat (limited to 'arch/mips/pci/fixup-malta.c')
| -rw-r--r-- | arch/mips/pci/fixup-malta.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/arch/mips/pci/fixup-malta.c b/arch/mips/pci/fixup-malta.c index 70073c98ed32..819622f93e9c 100644 --- a/arch/mips/pci/fixup-malta.c +++ b/arch/mips/pci/fixup-malta.c @@ -101,3 +101,17 @@ static void __devinit malta_piix_func1_fixup(struct pci_dev *pdev) DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82371AB, malta_piix_func1_fixup); + +/* Enable PCI 2.1 compatibility in PIIX4 */ +static void __devinit quirk_dlcsetup(struct pci_dev *dev) +{ + u8 odlc, ndlc; + + (void) pci_read_config_byte(dev, 0x82, &odlc); + /* Enable passive releases and delayed transaction */ + ndlc = odlc | 7; + (void) pci_write_config_byte(dev, 0x82, ndlc); +} + +DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82371AB_0, + quirk_dlcsetup); |