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Commit c1502e28 authored by Linus Torvalds's avatar Linus Torvalds
Browse files

i386: Fix broken mmiocfg accesses 



Commit 3320ad99 broke mmio config space
accesses totally on i386 - it dropped the "reg" offset to the address.

Cc: dean gaudet <dean@arctic.org>
Cc: Andi Kleen <ak@suse.de>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent b8d3f244

arch/i386/pci/mmconfig.c

+3 −3
Original line number Diff line number Diff line
@@ -115,13 +115,13 @@ static int pci_mmcfg_write(unsigned int seg, unsigned int bus, 


	switch (len) {

	case 1:

		mmio_config_writeb(mmcfg_virt_addr, value);

		mmio_config_writeb(mmcfg_virt_addr + reg, value);

		break;

	case 2:

		mmio_config_writew(mmcfg_virt_addr, value);

		mmio_config_writew(mmcfg_virt_addr + reg, value);

		break;

	case 4:

		mmio_config_writel(mmcfg_virt_addr, value);

		mmio_config_writel(mmcfg_virt_addr + reg, value);

		break;

	}

	spin_unlock_irqrestore(&pci_config_lock, flags);