diff options
Diffstat (limited to 'drivers/usb/host/ehci-atmel.c')
-rw-r--r-- | drivers/usb/host/ehci-atmel.c | 30 |
1 files changed, 9 insertions, 21 deletions
diff --git a/drivers/usb/host/ehci-atmel.c b/drivers/usb/host/ehci-atmel.c index 663f7908b15c..be0964a801e8 100644 --- a/drivers/usb/host/ehci-atmel.c +++ b/drivers/usb/host/ehci-atmel.c @@ -34,7 +34,6 @@ static const char hcd_name[] = "ehci-atmel"; struct atmel_ehci_priv { struct clk *iclk; - struct clk *fclk; struct clk *uclk; bool clocked; }; @@ -51,12 +50,9 @@ static void atmel_start_clock(struct atmel_ehci_priv *atmel_ehci) { if (atmel_ehci->clocked) return; - if (IS_ENABLED(CONFIG_COMMON_CLK)) { - clk_set_rate(atmel_ehci->uclk, 48000000); - clk_prepare_enable(atmel_ehci->uclk); - } + + clk_prepare_enable(atmel_ehci->uclk); clk_prepare_enable(atmel_ehci->iclk); - clk_prepare_enable(atmel_ehci->fclk); atmel_ehci->clocked = true; } @@ -64,10 +60,9 @@ static void atmel_stop_clock(struct atmel_ehci_priv *atmel_ehci) { if (!atmel_ehci->clocked) return; - clk_disable_unprepare(atmel_ehci->fclk); + clk_disable_unprepare(atmel_ehci->iclk); - if (IS_ENABLED(CONFIG_COMMON_CLK)) - clk_disable_unprepare(atmel_ehci->uclk); + clk_disable_unprepare(atmel_ehci->uclk); atmel_ehci->clocked = false; } @@ -146,20 +141,13 @@ static int ehci_atmel_drv_probe(struct platform_device *pdev) retval = -ENOENT; goto fail_request_resource; } - atmel_ehci->fclk = devm_clk_get(&pdev->dev, "uhpck"); - if (IS_ERR(atmel_ehci->fclk)) { - dev_err(&pdev->dev, "Error getting function clock\n"); - retval = -ENOENT; + + atmel_ehci->uclk = devm_clk_get(&pdev->dev, "usb_clk"); + if (IS_ERR(atmel_ehci->uclk)) { + dev_err(&pdev->dev, "failed to get uclk\n"); + retval = PTR_ERR(atmel_ehci->uclk); goto fail_request_resource; } - if (IS_ENABLED(CONFIG_COMMON_CLK)) { - atmel_ehci->uclk = devm_clk_get(&pdev->dev, "usb_clk"); - if (IS_ERR(atmel_ehci->uclk)) { - dev_err(&pdev->dev, "failed to get uclk\n"); - retval = PTR_ERR(atmel_ehci->uclk); - goto fail_request_resource; - } - } ehci = hcd_to_ehci(hcd); /* registers start at offset 0x0 */ |