diff options
| author | Paul Mundt <lethal@linux-sh.org> | 2010-12-21 00:40:51 +0900 |
|---|---|---|
| committer | Paul Mundt <lethal@linux-sh.org> | 2010-12-21 00:40:51 +0900 |
| commit | 8bcee1832d23869c2cdb6886ae5210b0143256f0 (patch) | |
| tree | 9fac190248ed9ed10fe4e6f7b1b4cda8eaef7ddd /drivers/usb/host/ehci-pci.c | |
| parent | 5ce2a2ddb5d75d5e2371e58011fc21351bf278cb (diff) | |
| parent | 1cf215a5b43950d1a304373037828158057ff9fc (diff) | |
Merge branch 'rmobile/urgent' into rmobile-latest
Conflicts:
arch/arm/mach-shmobile/include/mach/entry-macro.S
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Diffstat (limited to 'drivers/usb/host/ehci-pci.c')
| -rw-r--r-- | drivers/usb/host/ehci-pci.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/usb/host/ehci-pci.c b/drivers/usb/host/ehci-pci.c index 01bb72b7183..655f3c9f88b 100644 --- a/drivers/usb/host/ehci-pci.c +++ b/drivers/usb/host/ehci-pci.c @@ -161,6 +161,18 @@ static int ehci_pci_setup(struct usb_hcd *hcd) if (pdev->revision < 0xa4) ehci->no_selective_suspend = 1; break; + + /* MCP89 chips on the MacBookAir3,1 give EPROTO when + * fetching device descriptors unless LPM is disabled. + * There are also intermittent problems enumerating + * devices with PPCD enabled. + */ + case 0x0d9d: + ehci_info(ehci, "disable lpm/ppcd for nvidia mcp89"); + ehci->has_lpm = 0; + ehci->has_ppcd = 0; + ehci->command &= ~CMD_PPCEE; + break; } break; case PCI_VENDOR_ID_VIA: |