From: Linus Torvalds Date: Sun, 30 Oct 2005 22:40:07 +0000 (-0800) Subject: Fix PIIX4 SMB region size X-Git-Tag: firefly_0821_release~40852^2~2 X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=08db2a701bd63d0e36f06a29137bf016a907cf71;p=firefly-linux-kernel-4.4.55.git Fix PIIX4 SMB region size Petr Vandrovec correctly points out that the SMB region of the PIIX4 is just 16 bytes, not 32. Signed-off-by: Linus Torvalds --- diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c index bbd9c2323d8c..5627ce1d2b32 100644 --- a/drivers/pci/quirks.c +++ b/drivers/pci/quirks.c @@ -356,7 +356,7 @@ static void piix4_mem_quirk(struct pci_dev *dev, const char *name, unsigned int /* * PIIX4 ACPI: Two IO regions pointed to by longwords at * 0x40 (64 bytes of ACPI registers) - * 0x90 (32 bytes of SMB registers) + * 0x90 (16 bytes of SMB registers) * and a few strange programmable PIIX4 device resources. */ static void __devinit quirk_piix4_acpi(struct pci_dev *dev) @@ -366,7 +366,7 @@ static void __devinit quirk_piix4_acpi(struct pci_dev *dev) pci_read_config_dword(dev, 0x40, ®ion); quirk_io_region(dev, region, 64, PCI_BRIDGE_RESOURCES, "PIIX4 ACPI"); pci_read_config_dword(dev, 0x90, ®ion); - quirk_io_region(dev, region, 32, PCI_BRIDGE_RESOURCES+1, "PIIX4 SMB"); + quirk_io_region(dev, region, 16, PCI_BRIDGE_RESOURCES+1, "PIIX4 SMB"); /* Device resource A has enables for some of the other ones */ pci_read_config_dword(dev, 0x5c, &res_a);