From: Yinghai Lu Date: Thu, 22 May 2008 21:35:21 +0000 (-0700) Subject: PCI/x86: write_pci_config_byte fix offset X-Git-Tag: v2.6.27-rc1~1046^2~52 X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=e7891c733f9b26c851edde50cf886a30bd133dbd;p=linux-2.6 PCI/x86: write_pci_config_byte fix offset also add write_pci_config_16 Signed-off-by: Yinghai Lu Signed-off-by: Jesse Barnes --- diff --git a/arch/x86/pci/early.c b/arch/x86/pci/early.c index 42df4b6606..8e2821e8da 100644 --- a/arch/x86/pci/early.c +++ b/arch/x86/pci/early.c @@ -49,7 +49,14 @@ void write_pci_config_byte(u8 bus, u8 slot, u8 func, u8 offset, u8 val) { PDprintk("%x writing to %x: %x\n", slot, offset, val); outl(0x80000000 | (bus<<16) | (slot<<11) | (func<<8) | offset, 0xcf8); - outb(val, 0xcfc); + outb(val, 0xcfc + (offset&3)); +} + +void write_pci_config_16(u8 bus, u8 slot, u8 func, u8 offset, u16 val) +{ + PDprintk("%x writing to %x: %x\n", slot, offset, val); + outl(0x80000000 | (bus<<16) | (slot<<11) | (func<<8) | offset, 0xcf8); + outw(val, 0xcfc + (offset&2)); } int early_pci_allowed(void) diff --git a/include/asm-x86/pci-direct.h b/include/asm-x86/pci-direct.h index 5b21485be5..7bd40b4de7 100644 --- a/include/asm-x86/pci-direct.h +++ b/include/asm-x86/pci-direct.h @@ -11,6 +11,7 @@ extern u8 read_pci_config_byte(u8 bus, u8 slot, u8 func, u8 offset); extern u16 read_pci_config_16(u8 bus, u8 slot, u8 func, u8 offset); extern void write_pci_config(u8 bus, u8 slot, u8 func, u8 offset, u32 val); extern void write_pci_config_byte(u8 bus, u8 slot, u8 func, u8 offset, u8 val); +extern void write_pci_config_16(u8 bus, u8 slot, u8 func, u8 offset, u16 val); extern int early_pci_allowed(void);