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authorLinus Torvalds <torvalds@linux-foundation.org>2011-02-01 08:07:40 +1000
committerLinus Torvalds <torvalds@linux-foundation.org>2011-02-01 08:07:40 +1000
commitcbae48738f23d5409138700c5ccdfd6e4e0d6032 (patch)
tree67f3773989a9ed3787c18bc22cf80f503431ee9c /drivers/usb/host/ehci-pci.c
parentfb1c6348b22dde3ef75b53ec23982bf1bc617c32 (diff)
parentfd96d0d8d8079b1ea7a7e8943a4da9dfc9621124 (diff)
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Merge branch 'usb-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb-2.6
* 'usb-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb-2.6: (42 commits) usb: gadget: composite: avoid access beyond array max length USB: serial: handle Data Carrier Detect changes USB: gadget: Fix endpoint representation in ci13xxx_udc USB: gadget: Fix error path in ci13xxx_udc gadget probe function usb: pch_udc: Fix the worning log issue at gadget driver remove USB: serial: Updated support for ICOM devices USB: ehci-mxc: add work-around for efika mx/sb bug USB: unbreak ehci-mxc on otg port of i.MX27 drivers: update to pl2303 usb-serial to support Motorola cables USB: adding USB support for Cinterion's HC2x, EU3 and PH8 products USB serial: add missing .usb_driver field in serial drivers USB: ehci-fsl: Fix 'have_sysif_regs' detection USB: g_printer: fix bug in module parameter definitions USB: g_printer: fix bug in unregistration USB: uss720: remove duplicate USB device MAINTAINERS: add ueagle-atm entry USB: EHCI: fix DMA deallocation bug USB: pch_udc: support new device ML7213 IOH usb: pch_udc: Fixed issue which does not work with g_serial usb: set ep_dev async suspend should be later than device_initialize ...
Diffstat (limited to 'drivers/usb/host/ehci-pci.c')
-rw-r--r--drivers/usb/host/ehci-pci.c33
1 files changed, 20 insertions, 13 deletions
diff --git a/drivers/usb/host/ehci-pci.c b/drivers/usb/host/ehci-pci.c
index 76179c3..bed07d4 100644
--- a/drivers/usb/host/ehci-pci.c
+++ b/drivers/usb/host/ehci-pci.c
@@ -44,28 +44,35 @@ static int ehci_pci_reinit(struct ehci_hcd *ehci, struct pci_dev *pdev)
return 0;
}
-static int ehci_quirk_amd_SB800(struct ehci_hcd *ehci)
+static int ehci_quirk_amd_hudson(struct ehci_hcd *ehci)
{
struct pci_dev *amd_smbus_dev;
u8 rev = 0;
amd_smbus_dev = pci_get_device(PCI_VENDOR_ID_ATI, 0x4385, NULL);
- if (!amd_smbus_dev)
- return 0;
-
- pci_read_config_byte(amd_smbus_dev, PCI_REVISION_ID, &rev);
- if (rev < 0x40) {
- pci_dev_put(amd_smbus_dev);
- amd_smbus_dev = NULL;
- return 0;
+ if (amd_smbus_dev) {
+ pci_read_config_byte(amd_smbus_dev, PCI_REVISION_ID, &rev);
+ if (rev < 0x40) {
+ pci_dev_put(amd_smbus_dev);
+ amd_smbus_dev = NULL;
+ return 0;
+ }
+ } else {
+ amd_smbus_dev = pci_get_device(PCI_VENDOR_ID_AMD, 0x780b, NULL);
+ if (!amd_smbus_dev)
+ return 0;
+ pci_read_config_byte(amd_smbus_dev, PCI_REVISION_ID, &rev);
+ if (rev < 0x11 || rev > 0x18) {
+ pci_dev_put(amd_smbus_dev);
+ amd_smbus_dev = NULL;
+ return 0;
+ }
}
if (!amd_nb_dev)
amd_nb_dev = pci_get_device(PCI_VENDOR_ID_AMD, 0x1510, NULL);
- if (!amd_nb_dev)
- ehci_err(ehci, "QUIRK: unable to get AMD NB device\n");
- ehci_info(ehci, "QUIRK: Enable AMD SB800 L1 fix\n");
+ ehci_info(ehci, "QUIRK: Enable exception for AMD Hudson ASPM\n");
pci_dev_put(amd_smbus_dev);
amd_smbus_dev = NULL;
@@ -131,7 +138,7 @@ static int ehci_pci_setup(struct usb_hcd *hcd)
/* cache this readonly data; minimize chip reads */
ehci->hcs_params = ehci_readl(ehci, &ehci->caps->hcs_params);
- if (ehci_quirk_amd_SB800(ehci))
+ if (ehci_quirk_amd_hudson(ehci))
ehci->amd_l1_fix = 1;
retval = ehci_halt(ehci);