diff options
Diffstat (limited to 'drivers/usb/gadget/at91_udc.c')
| -rw-r--r-- | drivers/usb/gadget/at91_udc.c | 16 |
1 files changed, 9 insertions, 7 deletions
diff --git a/drivers/usb/gadget/at91_udc.c b/drivers/usb/gadget/at91_udc.c index 073b938f9135..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); } /* @@ -1725,7 +1725,7 @@ static int at91udc_probe(struct platform_device *pdev) /* init software state */ udc = &controller; udc->gadget.dev.parent = dev; - if (pdev->dev.of_node) + if (IS_ENABLED(CONFIG_OF) && pdev->dev.of_node) at91udc_of_init(udc, pdev->dev.of_node); else memcpy(&udc->board, dev->platform_data, @@ -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); |