diff options
| -rw-r--r-- | drivers/usb/gadget/mv_udc.h | 3 | ||||
| -rw-r--r-- | drivers/usb/gadget/mv_udc_core.c | 27 |
2 files changed, 8 insertions, 22 deletions
diff --git a/drivers/usb/gadget/mv_udc.h b/drivers/usb/gadget/mv_udc.h index 9073436d8b24..be77f207dbaf 100644 --- a/drivers/usb/gadget/mv_udc.h +++ b/drivers/usb/gadget/mv_udc.h @@ -222,8 +222,7 @@ struct mv_udc { struct mv_usb_platform_data *pdata; /* some SOC has mutiple clock sources for USB*/ - unsigned int clknum; - struct clk *clk[0]; + struct clk *clk; }; /* endpoint data structure */ diff --git a/drivers/usb/gadget/mv_udc_core.c b/drivers/usb/gadget/mv_udc_core.c index 88be74e6297d..c2a57023e467 100644 --- a/drivers/usb/gadget/mv_udc_core.c +++ b/drivers/usb/gadget/mv_udc_core.c @@ -974,18 +974,12 @@ static struct usb_ep_ops mv_ep_ops = { static void udc_clock_enable(struct mv_udc *udc) { - unsigned int i; - - for (i = 0; i < udc->clknum; i++) - clk_prepare_enable(udc->clk[i]); + clk_prepare_enable(udc->clk); } static void udc_clock_disable(struct mv_udc *udc) { - unsigned int i; - - for (i = 0; i < udc->clknum; i++) - clk_disable_unprepare(udc->clk[i]); + clk_disable_unprepare(udc->clk); } static void udc_stop(struct mv_udc *udc) @@ -2109,7 +2103,6 @@ static int mv_udc_probe(struct platform_device *pdev) struct mv_usb_platform_data *pdata = pdev->dev.platform_data; struct mv_udc *udc; int retval = 0; - int clk_i = 0; struct resource *r; size_t size; @@ -2118,8 +2111,7 @@ static int mv_udc_probe(struct platform_device *pdev) return -ENODEV; } - size = sizeof(*udc) + sizeof(struct clk *) * pdata->clknum; - udc = devm_kzalloc(&pdev->dev, size, GFP_KERNEL); + udc = devm_kzalloc(&pdev->dev, sizeof(*udc), GFP_KERNEL); if (udc == NULL) { dev_err(&pdev->dev, "failed to allocate memory for udc\n"); return -ENOMEM; @@ -2145,15 +2137,10 @@ static int mv_udc_probe(struct platform_device *pdev) } } - udc->clknum = pdata->clknum; - for (clk_i = 0; clk_i < udc->clknum; clk_i++) { - udc->clk[clk_i] = devm_clk_get(&pdev->dev, - pdata->clkname[clk_i]); - if (IS_ERR(udc->clk[clk_i])) { - retval = PTR_ERR(udc->clk[clk_i]); - return retval; - } - } + /* udc only have one sysclk. */ + udc->clk = devm_clk_get(&pdev->dev, NULL); + if (IS_ERR(udc->clk)) + return PTR_ERR(udc->clk); r = platform_get_resource_byname(udc->dev, IORESOURCE_MEM, "capregs"); if (r == NULL) { |