diff options
| author | Yuan-Hsin Chen <yuanlmm@gmail.com> | 2013-04-02 11:15:28 +0000 |
|---|---|---|
| committer | Felipe Balbi <balbi@ti.com> | 2013-04-02 16:57:24 +0300 |
| commit | 9770a16fd9d9c5a91378d53732be1d2ec599bfcf (patch) | |
| tree | 74964d0d6ef538b8f754570e8a49a52e8dd4f27b /drivers/usb/gadget | |
| parent | 19fda7cd59eac8e537f63a4d9bd5973bf78a8c38 (diff) | |
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: Yuan-Hsin Chen <yhchen@faraday-tech.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Diffstat (limited to 'drivers/usb/gadget')
| -rw-r--r-- | drivers/usb/gadget/fusb300_udc.c | 2 | ||||
| -rw-r--r-- | drivers/usb/gadget/fusb300_udc.h | 2 |
2 files changed, 2 insertions, 2 deletions
diff --git a/drivers/usb/gadget/fusb300_udc.c b/drivers/usb/gadget/fusb300_udc.c index d05355389dd6..db0d2917987a 100644 --- a/drivers/usb/gadget/fusb300_udc.c +++ b/drivers/usb/gadget/fusb300_udc.c @@ -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)); } } diff --git a/drivers/usb/gadget/fusb300_udc.h b/drivers/usb/gadget/fusb300_udc.h index 6ba444ae8dd5..ae811d8d38b4 100644 --- a/drivers/usb/gadget/fusb300_udc.h +++ b/drivers/usb/gadget/fusb300_udc.h @@ -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) /* |