PCI/x86: write_pci_config_byte fix offset
also add write_pci_config_16 Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com> Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
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25e18499e0
Коммит
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@ -49,7 +49,14 @@ void write_pci_config_byte(u8 bus, u8 slot, u8 func, u8 offset, u8 val)
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{
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{
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PDprintk("%x writing to %x: %x\n", slot, offset, val);
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PDprintk("%x writing to %x: %x\n", slot, offset, val);
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outl(0x80000000 | (bus<<16) | (slot<<11) | (func<<8) | offset, 0xcf8);
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outl(0x80000000 | (bus<<16) | (slot<<11) | (func<<8) | offset, 0xcf8);
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outb(val, 0xcfc);
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outb(val, 0xcfc + (offset&3));
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}
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void write_pci_config_16(u8 bus, u8 slot, u8 func, u8 offset, u16 val)
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{
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PDprintk("%x writing to %x: %x\n", slot, offset, val);
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outl(0x80000000 | (bus<<16) | (slot<<11) | (func<<8) | offset, 0xcf8);
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outw(val, 0xcfc + (offset&2));
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}
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}
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int early_pci_allowed(void)
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int early_pci_allowed(void)
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@ -11,6 +11,7 @@ extern u8 read_pci_config_byte(u8 bus, u8 slot, u8 func, u8 offset);
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extern u16 read_pci_config_16(u8 bus, u8 slot, u8 func, u8 offset);
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extern u16 read_pci_config_16(u8 bus, u8 slot, u8 func, u8 offset);
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extern void write_pci_config(u8 bus, u8 slot, u8 func, u8 offset, u32 val);
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extern void write_pci_config(u8 bus, u8 slot, u8 func, u8 offset, u32 val);
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extern void write_pci_config_byte(u8 bus, u8 slot, u8 func, u8 offset, u8 val);
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extern void write_pci_config_byte(u8 bus, u8 slot, u8 func, u8 offset, u8 val);
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extern void write_pci_config_16(u8 bus, u8 slot, u8 func, u8 offset, u16 val);
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extern int early_pci_allowed(void);
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extern int early_pci_allowed(void);
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