From 3735ba8db8e6ea22ad3ff524328926d8d780a884 Mon Sep 17 00:00:00 2001 From: Shengzhou Liu Date: Wed, 22 Aug 2012 18:17:00 +0800 Subject: powerpc/usb: fix bug of CPU hang when missing USB PHY clock when missing USB PHY clock, kernel booting up will hang during USB initialization. We should check USBGP[PHY_CLK_VALID] bit to avoid CPU hanging in this case. Signed-off-by: Shengzhou Liu Signed-off-by: Greg Kroah-Hartman --- drivers/usb/host/ehci-fsl.h | 1 + 1 file changed, 1 insertion(+) (limited to 'drivers/usb/host/ehci-fsl.h') diff --git a/drivers/usb/host/ehci-fsl.h b/drivers/usb/host/ehci-fsl.h index 8840368..dbd292e 100644 --- a/drivers/usb/host/ehci-fsl.h +++ b/drivers/usb/host/ehci-fsl.h @@ -61,4 +61,5 @@ #define PLL_RESET (1<<8) #define UTMI_PHY_EN (1<<9) #define ULPI_PHY_CLK_SEL (1<<10) +#define PHY_CLK_VALID (1<<17) #endif /* _EHCI_FSL_H */ -- cgit v1.1