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path: root/drivers/usb/gadget/at91_udc.c
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Diffstat (limited to 'drivers/usb/gadget/at91_udc.c')
-rw-r--r--drivers/usb/gadget/at91_udc.c16
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);