Re: [PATCH v2] powerpc/usb: fix issue of CPU halt when missing USB PHY clock
From: Greg KH <gregkh@linuxfoundation.org>
Date: 2012-02-02 19:18:08
On Thu, Feb 02, 2012 at 03:39:48PM +0400, Sergei Shtylyov wrote:
Hello. On 02-02-2012 7:23, Shengzhou Liu wrote:quoted
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.quoted
Signed-off-by: Shengzhou Liu<redacted>[...]quoted
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.
I fixed this by hand.