Re: [PATCH v2] powerpc/usb: fix issue of CPU halt when missing USB PHY clock

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Hello.

On 02-02-2012 7:23, Shengzhou Liu wrote:

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@xxxxxxxxxxxxx>
[...]

diff --git a/drivers/usb/host/ehci-fsl.h b/drivers/usb/host/ehci-fsl.h
index 4918062..dd3dc47 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)

   Indent the macro value with tabs please.

WBR, Sergei
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