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usb: gadget: fusb300_udc: add FUSB300_EPSET0_STL_CLR for clearing EP0…
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… 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: Yuan-Hsin Chen <yhchen@faraday-tech.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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Yuan-Hsin Chen authored and Felipe Balbi committed Apr 2, 2013
1 parent 19fda7c commit 9770a16
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Showing 2 changed files with 2 additions and 2 deletions.
2 changes: 1 addition & 1 deletion drivers/usb/gadget/fusb300_udc.c
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Original file line number Diff line number Diff line change
Expand Up @@ -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));
}
}
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2 changes: 1 addition & 1 deletion drivers/usb/gadget/fusb300_udc.h
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Original file line number Diff line number Diff line change
Expand Up @@ -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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