diff options
Diffstat (limited to 'drivers/usb/host/ehci-atmel.c')
-rw-r--r-- | drivers/usb/host/ehci-atmel.c | 23 |
1 files changed, 5 insertions, 18 deletions
diff --git a/drivers/usb/host/ehci-atmel.c b/drivers/usb/host/ehci-atmel.c index 284f841..3b645ff 100644 --- a/drivers/usb/host/ehci-atmel.c +++ b/drivers/usb/host/ehci-atmel.c @@ -30,17 +30,13 @@ static const char hcd_name[] = "ehci-atmel"; static struct hc_driver __read_mostly ehci_atmel_hc_driver; /* interface and function clocks */ -static struct clk *iclk, *fclk, *uclk; +static struct clk *iclk, *fclk; static int clocked; /*-------------------------------------------------------------------------*/ static void atmel_start_clock(void) { - if (IS_ENABLED(CONFIG_COMMON_CLK)) { - clk_set_rate(uclk, 48000000); - clk_prepare_enable(uclk); - } clk_prepare_enable(iclk); clk_prepare_enable(fclk); clocked = 1; @@ -50,8 +46,6 @@ static void atmel_stop_clock(void) { clk_disable_unprepare(fclk); clk_disable_unprepare(iclk); - if (IS_ENABLED(CONFIG_COMMON_CLK)) - clk_disable_unprepare(uclk); clocked = 0; } @@ -96,9 +90,10 @@ static int ehci_atmel_drv_probe(struct platform_device *pdev) * Since shared usb code relies on it, set it here for now. * Once we have dma capability bindings this can go away. */ - retval = dma_coerce_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(32)); - if (retval) - goto fail_create_hcd; + if (!pdev->dev.dma_mask) + pdev->dev.dma_mask = &pdev->dev.coherent_dma_mask; + if (!pdev->dev.coherent_dma_mask) + pdev->dev.coherent_dma_mask = DMA_BIT_MASK(32); hcd = usb_create_hcd(driver, &pdev->dev, dev_name(&pdev->dev)); if (!hcd) { @@ -135,14 +130,6 @@ static int ehci_atmel_drv_probe(struct platform_device *pdev) retval = -ENOENT; goto fail_request_resource; } - if (IS_ENABLED(CONFIG_COMMON_CLK)) { - uclk = devm_clk_get(&pdev->dev, "usb_clk"); - if (IS_ERR(uclk)) { - dev_err(&pdev->dev, "failed to get uclk\n"); - retval = PTR_ERR(uclk); - goto fail_request_resource; - } - } ehci = hcd_to_ehci(hcd); /* registers start at offset 0x0 */ |