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fsl_usb2_udc: Make fsl_queue_td return type void. 

fsl_queue_td always returns 0. Make it void and remove checks for non-zero
return in callers.

Signed-off-by: Will Newton <will.newton@gmail.com>
Acked-by: Li Yang <leoli@freescale.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Will Newton 2008-08-12 15:39:15 +01:00 committed by Greg Kroah-Hartman
parent 825bee3a33
commit 224b503901
1 changed files with 5 additions and 14 deletions
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19
drivers/usb/gadget/fsl_usb2_udc.c
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@ -592,7 +592,7 @@ static void fsl_free_request(struct usb_ep *_ep, struct usb_request *_req)
}
/*-------------------------------------------------------------------------*/
static int fsl_queue_td(struct fsl_ep *ep, struct fsl_req *req)
static void fsl_queue_td(struct fsl_ep *ep, struct fsl_req *req)
{
int i = ep_index(ep) * 2 + ep_is_in(ep);
u32 temp, bitmask, tmp_stat;
@ -649,7 +649,7 @@ static int fsl_queue_td(struct fsl_ep *ep, struct fsl_req *req)
: (1 << (ep_index(ep)));
fsl_writel(temp, &dr_regs->endpointprime);
out:
return 0;
return;
}
/* Fill in the dTD structure
@ -1136,7 +1136,6 @@ static int ep0_prime_status(struct fsl_udc *udc, int direction)
{
struct fsl_req *req = udc->status_req;
struct fsl_ep *ep;
int status = 0;
if (direction == EP_DIR_IN)
udc->ep0_dir = USB_DIR_IN;
@ -1154,15 +1153,13 @@ static int ep0_prime_status(struct fsl_udc *udc, int direction)
req->dtd_count = 0;
if (fsl_req_to_dtd(req) == 0)
status = fsl_queue_td(ep, req);
fsl_queue_td(ep, req);
else
return -ENOMEM;
if (status)
ERR("Can't queue ep0 status request\n");
list_add_tail(&req->queue, &ep->queue);
return status;
return 0;
}
static void udc_reset_ep_queue(struct fsl_udc *udc, u8 pipe)
@ -1194,10 +1191,8 @@ static void ch9getstatus(struct fsl_udc *udc, u8 request_type, u16 value,
u16 index, u16 length)
{
u16 tmp = 0; /* Status, cpu endian */
struct fsl_req *req;
struct fsl_ep *ep;
int status = 0;
ep = &udc->eps[0];
@ -1236,14 +1231,10 @@ static void ch9getstatus(struct fsl_udc *udc, u8 request_type, u16 value,
/* prime the data phase */
if ((fsl_req_to_dtd(req) == 0))
status = fsl_queue_td(ep, req);
fsl_queue_td(ep, req);
else /* no mem */
goto stall;
if (status) {
ERR("Can't respond to getstatus request\n");
goto stall;
}
list_add_tail(&req->queue, &ep->queue);
udc->ep0_state = DATA_STATE_XMIT;
return;