Commit 9770a16f authored by Yuan-Hsin Chen's avatar Yuan-Hsin Chen Committed by Felipe Balbi
Browse files

usb: gadget: fusb300_udc: add FUSB300_EPSET0_STL_CLR for clearing EP0 stall 



The final version of fusb300 controller adds EPSET0_STL_CLR
for clearing EP0 stall and also removes EPSET0_EPn_TX0BYTE.

fusb300_udc driver is tested on FARADAY platform a369 with
FUSB300 FPGA v1.8

Signed-off-by: default avatarYuan-Hsin Chen <yhchen@faraday-tech.com>
Signed-off-by: default avatarFelipe Balbi <balbi@ti.com>
parent 19fda7cd

drivers/usb/gadget/fusb300_udc.c

+1 −1
Original line number Diff line number Diff line
@@ -394,7 +394,7 @@ static void fusb300_clear_epnstall(struct fusb300 *fusb300, u8 ep) 


	if (reg & FUSB300_EPSET0_STL) {

		printk(KERN_DEBUG "EP%d stall... Clear!!\n", ep);

		reg &= ~FUSB300_EPSET0_STL;

		reg |= FUSB300_EPSET0_STL_CLR;

		iowrite32(reg, fusb300->reg + FUSB300_OFFSET_EPSET0(ep));

	}

}

drivers/usb/gadget/fusb300_udc.h

+1 −1
Original line number Diff line number Diff line
@@ -111,8 +111,8 @@ 
/*

 * * EPn Setting 0 (EPn_SET0, offset = 020H+(n-1)*30H, n=1~15 )

 * */

#define FUSB300_EPSET0_STL_CLR		(1 << 3)

#define FUSB300_EPSET0_CLRSEQNUM	(1 << 2)

#define FUSB300_EPSET0_EPn_TX0BYTE	(1 << 1)

#define FUSB300_EPSET0_STL		(1 << 0)



/*

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