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Subject[PATCH 09/11] fsl_usb2_udc: Make fsl_queue_td return type void.
Date
From: Will Newton <will.newton@gmail.com>

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>
---
drivers/usb/gadget/fsl_usb2_udc.c | 19 +++++--------------
1 files changed, 5 insertions(+), 14 deletions(-)
diff --git a/drivers/usb/gadget/fsl_usb2_udc.c b/drivers/usb/gadget/fsl_usb2_udc.c
index 45ae982..10fafbb 100644
--- a/drivers/usb/gadget/fsl_usb2_udc.c
+++ b/drivers/usb/gadget/fsl_usb2_udc.c
@@ -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;
--
1.5.5.2


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