diff options
| author | Boris Brezillon <boris.brezillon@free-electrons.com> | 2015-01-14 17:21:58 +0100 |
|---|---|---|
| committer | Nicolas Ferre <nicolas.ferre@atmel.com> | 2015-01-15 14:35:13 +0100 |
| commit | 9aa0216550b227f41e3e515d3bfdb336bb92dc38 (patch) | |
| tree | 48f4cdfbbf579ee69510c727cf54eeae9580724a /drivers/usb/gadget/udc/at91_udc.c | |
| parent | 7923540385615c5379792fd21f98b24877b22734 (diff) | |
usb: gadget: at91_udc: Drop uclk clock
Now that at91 system clocks forward set_rate request to their parent we
can remove the uclk clock and directly call clk_set_rate on fclk.
Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Acked-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Acked-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Diffstat (limited to 'drivers/usb/gadget/udc/at91_udc.c')
| -rw-r--r-- | drivers/usb/gadget/udc/at91_udc.c | 27 |
1 files changed, 3 insertions, 24 deletions
diff --git a/drivers/usb/gadget/udc/at91_udc.c b/drivers/usb/gadget/udc/at91_udc.c index 9ff2f7e5c6a7..d33f2994b7c4 100644 --- a/drivers/usb/gadget/udc/at91_udc.c +++ b/drivers/usb/gadget/udc/at91_udc.c @@ -895,8 +895,6 @@ static void clk_on(struct at91_udc *udc) return; udc->clocked = 1; - if (IS_ENABLED(CONFIG_COMMON_CLK)) - clk_enable(udc->uclk); clk_enable(udc->iclk); clk_enable(udc->fclk); } @@ -909,8 +907,6 @@ static void clk_off(struct at91_udc *udc) udc->gadget.speed = USB_SPEED_UNKNOWN; clk_disable(udc->fclk); clk_disable(udc->iclk); - if (IS_ENABLED(CONFIG_COMMON_CLK)) - clk_disable(udc->uclk); } /* @@ -1781,25 +1777,17 @@ static int at91udc_probe(struct platform_device *pdev) /* get interface and function clocks */ udc->iclk = clk_get(dev, "pclk"); udc->fclk = clk_get(dev, "hclk"); - if (IS_ENABLED(CONFIG_COMMON_CLK)) - udc->uclk = clk_get(dev, "usb_clk"); - if (IS_ERR(udc->iclk) || IS_ERR(udc->fclk) || - (IS_ENABLED(CONFIG_COMMON_CLK) && IS_ERR(udc->uclk))) { + if (IS_ERR(udc->iclk) || IS_ERR(udc->fclk)) { DBG("clocks missing\n"); retval = -ENODEV; goto fail1; } /* don't do anything until we have both gadget driver and VBUS */ - if (IS_ENABLED(CONFIG_COMMON_CLK)) { - clk_set_rate(udc->uclk, 48000000); - retval = clk_prepare(udc->uclk); - if (retval) - goto fail1; - } + clk_set_rate(udc->fclk, 48000000); retval = clk_prepare(udc->fclk); if (retval) - goto fail1a; + goto fail1; retval = clk_prepare_enable(udc->iclk); if (retval) @@ -1873,12 +1861,7 @@ fail1c: clk_unprepare(udc->iclk); fail1b: clk_unprepare(udc->fclk); -fail1a: - if (IS_ENABLED(CONFIG_COMMON_CLK)) - clk_unprepare(udc->uclk); fail1: - if (IS_ENABLED(CONFIG_COMMON_CLK) && !IS_ERR(udc->uclk)) - clk_put(udc->uclk); if (!IS_ERR(udc->fclk)) clk_put(udc->fclk); if (!IS_ERR(udc->iclk)) @@ -1924,15 +1907,11 @@ static int __exit at91udc_remove(struct platform_device *pdev) res = platform_get_resource(pdev, IORESOURCE_MEM, 0); release_mem_region(res->start, resource_size(res)); - if (IS_ENABLED(CONFIG_COMMON_CLK)) - clk_unprepare(udc->uclk); clk_unprepare(udc->fclk); clk_unprepare(udc->iclk); clk_put(udc->iclk); clk_put(udc->fclk); - if (IS_ENABLED(CONFIG_COMMON_CLK)) - clk_put(udc->uclk); return 0; } |