diff options
| author | Shengzhou Liu <Shengzhou.Liu@freescale.com> | 2012-02-02 07:23:14 +0400 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2012-02-03 00:46:36 +0400 |
| commit | 529febeee680dc22416fca033151a5e8bc620447 (patch) | |
| tree | 6ea05e6734be0b1699c5e96f6eba1912fd801a94 /drivers/usb/host/ehci-fsl.h | |
| parent | ed2833ac7ee86ee00f6dd3085a32752209fd8b6e (diff) | |
| download | linux-529febeee680dc22416fca033151a5e8bc620447.tar.xz | |
powerpc/usb: fix issue of CPU halt when missing USB PHY clock
when missing USB PHY clock, kernel booting up will halt during USB
initialization. We should check USBGP[PHY_CLK_VALID] bit to avoid
CPU hang in this case.
Signed-off-by: Shengzhou Liu <Shengzhou.Liu@freescale.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb/host/ehci-fsl.h')
| -rw-r--r-- | drivers/usb/host/ehci-fsl.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/usb/host/ehci-fsl.h b/drivers/usb/host/ehci-fsl.h index 491806221165..bdf43e2adc51 100644 --- a/drivers/usb/host/ehci-fsl.h +++ b/drivers/usb/host/ehci-fsl.h @@ -45,5 +45,6 @@ #define FSL_SOC_USB_PRICTRL 0x40c /* NOTE: big-endian */ #define FSL_SOC_USB_SICTRL 0x410 /* NOTE: big-endian */ #define FSL_SOC_USB_CTRL 0x500 /* NOTE: big-endian */ +#define CTRL_PHY_CLK_VALID (1 << 17) #define SNOOP_SIZE_2GB 0x1e #endif /* _EHCI_FSL_H */ |