diff options
| -rw-r--r-- | drivers/usb/host/ohci-nxp.c | 62 |
1 files changed, 10 insertions, 52 deletions
diff --git a/drivers/usb/host/ohci-nxp.c b/drivers/usb/host/ohci-nxp.c index 87588fc21ec7..b7d4756232ae 100644 --- a/drivers/usb/host/ohci-nxp.c +++ b/drivers/usb/host/ohci-nxp.c @@ -58,9 +58,7 @@ static struct i2c_client *isp1301_i2c_client; extern int usb_disabled(void); -static struct clk *usb_pll_clk; -static struct clk *usb_dev_clk; -static struct clk *usb_otg_clk; +static struct clk *usb_host_clk; static void isp1301_configure_lpc32xx(void) { @@ -172,54 +170,20 @@ static int ohci_hcd_nxp_probe(struct platform_device *pdev) goto fail_disable; } - /* Enable USB PLL */ - usb_pll_clk = devm_clk_get(&pdev->dev, "ck_pll5"); - if (IS_ERR(usb_pll_clk)) { - dev_err(&pdev->dev, "failed to acquire USB PLL\n"); - ret = PTR_ERR(usb_pll_clk); + /* Enable USB host clock */ + usb_host_clk = devm_clk_get(&pdev->dev, NULL); + if (IS_ERR(usb_host_clk)) { + dev_err(&pdev->dev, "failed to acquire USB OHCI clock\n"); + ret = PTR_ERR(usb_host_clk); goto fail_disable; } - ret = clk_prepare_enable(usb_pll_clk); + ret = clk_prepare_enable(usb_host_clk); if (ret < 0) { - dev_err(&pdev->dev, "failed to start USB PLL\n"); + dev_err(&pdev->dev, "failed to start USB OHCI clock\n"); goto fail_disable; } - ret = clk_set_rate(usb_pll_clk, 48000); - if (ret < 0) { - dev_err(&pdev->dev, "failed to set USB clock rate\n"); - goto fail_rate; - } - - /* Enable USB device clock */ - usb_dev_clk = devm_clk_get(&pdev->dev, "ck_usbd"); - if (IS_ERR(usb_dev_clk)) { - dev_err(&pdev->dev, "failed to acquire USB DEV Clock\n"); - ret = PTR_ERR(usb_dev_clk); - goto fail_rate; - } - - ret = clk_prepare_enable(usb_dev_clk); - if (ret < 0) { - dev_err(&pdev->dev, "failed to start USB DEV Clock\n"); - goto fail_rate; - } - - /* Enable USB otg clocks */ - usb_otg_clk = devm_clk_get(&pdev->dev, "ck_usb_otg"); - if (IS_ERR(usb_otg_clk)) { - dev_err(&pdev->dev, "failed to acquire USB DEV Clock\n"); - ret = PTR_ERR(usb_otg_clk); - goto fail_otg; - } - - ret = clk_prepare_enable(usb_otg_clk); - if (ret < 0) { - dev_err(&pdev->dev, "failed to start USB DEV Clock\n"); - goto fail_otg; - } - isp1301_configure(); hcd = usb_create_hcd(driver, &pdev->dev, dev_name(&pdev->dev)); @@ -258,11 +222,7 @@ static int ohci_hcd_nxp_probe(struct platform_device *pdev) fail_resource: usb_put_hcd(hcd); fail_hcd: - clk_disable_unprepare(usb_otg_clk); -fail_otg: - clk_disable_unprepare(usb_dev_clk); -fail_rate: - clk_disable_unprepare(usb_pll_clk); + clk_disable_unprepare(usb_host_clk); fail_disable: isp1301_i2c_client = NULL; return ret; @@ -275,9 +235,7 @@ static int ohci_hcd_nxp_remove(struct platform_device *pdev) usb_remove_hcd(hcd); ohci_nxp_stop_hc(); usb_put_hcd(hcd); - clk_disable_unprepare(usb_otg_clk); - clk_disable_unprepare(usb_dev_clk); - clk_disable_unprepare(usb_pll_clk); + clk_disable_unprepare(usb_host_clk); isp1301_i2c_client = NULL; return 0; |