diff options
| author | Chao Xie <chao.xie@marvell.com> | 2013-03-25 03:06:52 -0400 |
|---|---|---|
| committer | Felipe Balbi <balbi@ti.com> | 2013-04-02 11:42:45 +0300 |
| commit | 1919811fe635de4689b4f31a20da3d50196cf43f (patch) | |
| tree | 032f7ee8829b55395b029e05350f84c938a1d974 /drivers/usb/gadget/mv_udc_core.c | |
| parent | b65ae0f1a7b98c370967cf161ee87011e3ecdd77 (diff) | |
| download | talos-obmc-linux-1919811fe635de4689b4f31a20da3d50196cf43f.tar.gz talos-obmc-linux-1919811fe635de4689b4f31a20da3d50196cf43f.zip | |
usb: gadget: mv_udc_core: remove unused clock
The origianl understanding of clock is wrong. The UDC controller
only have one clock input.
Passing clock name by pdata is wrong. The clock is defined by device
iteself.
Signed-off-by: Chao Xie <chao.xie@marvell.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Diffstat (limited to 'drivers/usb/gadget/mv_udc_core.c')
| -rw-r--r-- | drivers/usb/gadget/mv_udc_core.c | 27 |
1 files changed, 7 insertions, 20 deletions
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) { |
