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usb: gadget: at91_udc: prepare clk before calling enable

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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>
This commit is contained in:
Boris BREZILLON 2013-06-25 10:12:56 +02:00 committed by Felipe Balbi
parent 88ae742347
commit 7628083227
1 changed files with 8 additions and 6 deletions
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14
drivers/usb/gadget/at91_udc.c
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@ -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);