This patch uses the previously introduced macro called request_declared_muxed_region() to synchronize access to the I/O port pair 0xcd6 / 0xcd7 on SB800.
These I/O ports are also used by i2c-piix4 and sp5100_tco, the next two patches port these drivers to use the new macro. Signed-off-by: Zoltán Böszörményi <[email protected]> --- drivers/usb/host/pci-quirks.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/usb/host/pci-quirks.c b/drivers/usb/host/pci-quirks.c index a9a1e4c..703eb65 100644 --- a/drivers/usb/host/pci-quirks.c +++ b/drivers/usb/host/pci-quirks.c @@ -314,11 +314,14 @@ static void usb_amd_quirk_pll(int disable) if (amd_chipset.sb_type.gen == AMD_CHIPSET_SB800 || amd_chipset.sb_type.gen == AMD_CHIPSET_HUDSON2 || amd_chipset.sb_type.gen == AMD_CHIPSET_BOLTON) { + struct resource res = DEFINE_RES_IO_NAMED(0xcd6, 2, "USB host SB800/HUDSON2/BOLTON"); + request_declared_muxed_region(&res); outb_p(AB_REG_BAR_LOW, 0xcd6); addr_low = inb_p(0xcd7); outb_p(AB_REG_BAR_HIGH, 0xcd6); addr_high = inb_p(0xcd7); addr = addr_high << 8 | addr_low; + release_region(0xcd6, 2); outl_p(0x30, AB_INDX(addr)); outl_p(0x40, AB_DATA(addr)); -- 2.9.4 -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
