diff options
| author | Boris BREZILLON <b.brezillon@overkiz.com> | 2013-06-25 10:12:56 +0200 |
|---|---|---|
| committer | Felipe Balbi <balbi@ti.com> | 2013-07-15 12:59:40 +0300 |
| commit | 7628083227b6bc4a7e33d7c381d7a4e558424b6b (patch) | |
| tree | 3584ec972343eb8479fb8dbadf346514b2c3f301 /drivers | |
| parent | 88ae742347831c47846ca7343e786abd6635752b (diff) | |
| download | linux-7628083227b6bc4a7e33d7c381d7a4e558424b6b.tar.gz linux-7628083227b6bc4a7e33d7c381d7a4e558424b6b.tar.bz2 linux-7628083227b6bc4a7e33d7c381d7a4e558424b6b.zip | |
usb: gadget: at91_udc: prepare clk before calling enable
Replace clk_enable/disable with clk_prepare_enable/disable_unprepare to
avoid common clk framework warnings.
Signed-off-by: Boris BREZILLON <b.brezillon@overkiz.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/usb/gadget/at91_udc.c | 14 |
1 files changed, 8 insertions, 6 deletions
diff --git a/drivers/usb/gadget/at91_udc.c b/drivers/usb/gadget/at91_udc.c index 2cbab1c9ff58..d9a6add0c852 100644 --- a/drivers/usb/gadget/at91_udc.c +++ b/drivers/usb/gadget/at91_udc.c @@ -870,8 +870,8 @@ static void clk_on(struct at91_udc *udc) if (udc->clocked) return; udc->clocked = 1; - clk_enable(udc->iclk); - clk_enable(udc->fclk); + clk_prepare_enable(udc->iclk); + clk_prepare_enable(udc->fclk); } static void clk_off(struct at91_udc *udc) @@ -880,8 +880,8 @@ static void clk_off(struct at91_udc *udc) return; udc->clocked = 0; udc->gadget.speed = USB_SPEED_UNKNOWN; - clk_disable(udc->fclk); - clk_disable(udc->iclk); + clk_disable_unprepare(udc->fclk); + clk_disable_unprepare(udc->iclk); } /* @@ -1782,12 +1782,14 @@ static int at91udc_probe(struct platform_device *pdev) } /* don't do anything until we have both gadget driver and VBUS */ - clk_enable(udc->iclk); + retval = clk_prepare_enable(udc->iclk); + if (retval) + goto fail1; at91_udp_write(udc, AT91_UDP_TXVC, AT91_UDP_TXVC_TXVDIS); at91_udp_write(udc, AT91_UDP_IDR, 0xffffffff); /* Clear all pending interrupts - UDP may be used by bootloader. */ at91_udp_write(udc, AT91_UDP_ICR, 0xffffffff); - clk_disable(udc->iclk); + clk_disable_unprepare(udc->iclk); /* request UDC and maybe VBUS irqs */ udc->udp_irq = platform_get_irq(pdev, 0); |