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author | Linus Torvalds <torvalds@linux-foundation.org> | 2011-02-01 08:07:40 +1000 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2011-02-01 08:07:40 +1000 |
commit | cbae48738f23d5409138700c5ccdfd6e4e0d6032 (patch) | |
tree | 67f3773989a9ed3787c18bc22cf80f503431ee9c /drivers/usb/host/ehci-pci.c | |
parent | fb1c6348b22dde3ef75b53ec23982bf1bc617c32 (diff) | |
parent | fd96d0d8d8079b1ea7a7e8943a4da9dfc9621124 (diff) | |
download | kernel_samsung_smdk4412-cbae48738f23d5409138700c5ccdfd6e4e0d6032.zip kernel_samsung_smdk4412-cbae48738f23d5409138700c5ccdfd6e4e0d6032.tar.gz kernel_samsung_smdk4412-cbae48738f23d5409138700c5ccdfd6e4e0d6032.tar.bz2 |
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.c | 33 |
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); |