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Commit e7d95ca9 authored by Linux Build Service Account's avatar Linux Build Service Account Committed by Gerrit - the friendly Code Review server
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Merge "USB: ci13xxx_msm: Disable TXFIFO_IDLE_FORCE bit to prevent corruption"

parents 4e8d66eb 1b898c3c

drivers/usb/gadget/ci13xxx_msm.c

+6 −0
Original line number Diff line number Diff line
@@ -143,10 +143,16 @@ static void ci13xxx_msm_reset(void) 
	struct ci13xxx *udc = _udc;

	struct usb_phy *phy = udc->transceiver;

	struct device *dev = udc->gadget.dev.parent;

	int	temp;



	writel_relaxed(0, USB_AHBBURST);

	writel_relaxed(0x08, USB_AHBMODE);



	/* workaround for rx buffer collision issue */

	temp = readl_relaxed(USB_GENCONFIG);

	temp &= ~GENCONFIG_TXFIFO_IDLE_FORCE_DISABLE;

	writel_relaxed(temp, USB_GENCONFIG);



	if (udc->gadget.l1_supported)

		ci13xxx_msm_set_l1(udc);

include/linux/usb/msm_hsusb_hw.h

+1 −0
Original line number Diff line number Diff line
@@ -75,6 +75,7 @@ 
#define ULPI_DATA_READ(n)     (((n) >> 8) & 255)



#define GENCONFIG_BAM_DISABLE (1 << 13)

#define GENCONFIG_TXFIFO_IDLE_FORCE_DISABLE (1 << 4)



/* synopsys 28nm phy registers */

#define ULPI_PWR_CLK_MNG_REG	0x88