diff options
| -rw-r--r-- | drivers/usb/fotg210/fotg210-core.c | 5 | ||||
| -rw-r--r-- | drivers/usb/fotg210/fotg210-hcd.c | 33 | ||||
| -rw-r--r-- | drivers/usb/fotg210/fotg210-udc.c | 30 | ||||
| -rw-r--r-- | drivers/usb/fotg210/fotg210-udc.h | 1 | ||||
| -rw-r--r-- | drivers/usb/fotg210/fotg210.h | 1 |
5 files changed, 11 insertions, 59 deletions
diff --git a/drivers/usb/fotg210/fotg210-core.c b/drivers/usb/fotg210/fotg210-core.c index 0dd4957ad70a..f90b2ae9ed9d 100644 --- a/drivers/usb/fotg210/fotg210-core.c +++ b/drivers/usb/fotg210/fotg210-core.c @@ -6,6 +6,7 @@ * driver. */ #include <linux/bitops.h> +#include <linux/clk.h> #include <linux/device.h> #include <linux/mfd/syscon.h> #include <linux/module.h> @@ -109,6 +110,10 @@ static int fotg210_probe(struct platform_device *pdev) if (!fotg->base) return -ENOMEM; + fotg->pclk = devm_clk_get_optional_enabled(dev, "PCLK"); + if (IS_ERR(fotg->pclk)) + return PTR_ERR(fotg->pclk); + mode = usb_get_dr_mode(dev); if (of_device_is_compatible(dev->of_node, "cortina,gemini-usb")) { diff --git a/drivers/usb/fotg210/fotg210-hcd.c b/drivers/usb/fotg210/fotg210-hcd.c index 15ba5b1618e1..7bd1e8f3080d 100644 --- a/drivers/usb/fotg210/fotg210-hcd.c +++ b/drivers/usb/fotg210/fotg210-hcd.c @@ -33,7 +33,6 @@ #include <linux/platform_device.h> #include <linux/io.h> #include <linux/iopoll.h> -#include <linux/clk.h> #include <asm/byteorder.h> #include <asm/irq.h> @@ -5594,44 +5593,22 @@ int fotg210_hcd_probe(struct platform_device *pdev, struct fotg210 *fotg) fotg210->fotg = fotg; fotg210->caps = hcd->regs; - /* It's OK not to supply this clock */ - fotg210->pclk = clk_get(dev, "PCLK"); - if (!IS_ERR(fotg210->pclk)) { - retval = clk_prepare_enable(fotg210->pclk); - if (retval) { - dev_err(dev, "failed to enable PCLK\n"); - goto failed_put_hcd; - } - } else if (PTR_ERR(fotg210->pclk) == -EPROBE_DEFER) { - /* - * Percolate deferrals, for anything else, - * just live without the clocking. - */ - retval = PTR_ERR(fotg210->pclk); - goto failed_dis_clk; - } - retval = fotg210_setup(hcd); if (retval) - goto failed_dis_clk; + goto failed_put_hcd; fotg210_init(fotg210); retval = usb_add_hcd(hcd, irq, IRQF_SHARED); if (retval) { dev_err(dev, "failed to add hcd with err %d\n", retval); - goto failed_dis_clk; + goto failed_put_hcd; } device_wakeup_enable(hcd->self.controller); platform_set_drvdata(pdev, hcd); return retval; -failed_dis_clk: - if (!IS_ERR(fotg210->pclk)) { - clk_disable_unprepare(fotg210->pclk); - clk_put(fotg210->pclk); - } failed_put_hcd: usb_put_hcd(hcd); fail_create_hcd: @@ -5647,12 +5624,6 @@ fail_create_hcd: int fotg210_hcd_remove(struct platform_device *pdev) { struct usb_hcd *hcd = platform_get_drvdata(pdev); - struct fotg210_hcd *fotg210 = hcd_to_fotg210(hcd); - - if (!IS_ERR(fotg210->pclk)) { - clk_disable_unprepare(fotg210->pclk); - clk_put(fotg210->pclk); - } usb_remove_hcd(hcd); usb_put_hcd(hcd); diff --git a/drivers/usb/fotg210/fotg210-udc.c b/drivers/usb/fotg210/fotg210-udc.c index a4a6f57c3190..195dc5050046 100644 --- a/drivers/usb/fotg210/fotg210-udc.c +++ b/drivers/usb/fotg210/fotg210-udc.c @@ -15,7 +15,6 @@ #include <linux/platform_device.h> #include <linux/usb/ch9.h> #include <linux/usb/gadget.h> -#include <linux/clk.h> #include <linux/usb/otg.h> #include <linux/usb/phy.h> @@ -1134,9 +1133,6 @@ int fotg210_udc_remove(struct platform_device *pdev) for (i = 0; i < FOTG210_MAX_NUM_EP; i++) kfree(fotg210->ep[i]); - if (!IS_ERR(fotg210->pclk)) - clk_disable_unprepare(fotg210->pclk); - kfree(fotg210); return 0; @@ -1164,34 +1160,17 @@ int fotg210_udc_probe(struct platform_device *pdev, struct fotg210 *fotg) fotg210->dev = dev; fotg210->fotg = fotg; - /* It's OK not to supply this clock */ - fotg210->pclk = devm_clk_get(dev, "PCLK"); - if (!IS_ERR(fotg210->pclk)) { - ret = clk_prepare_enable(fotg210->pclk); - if (ret) { - dev_err(dev, "failed to enable PCLK\n"); - goto err; - } - } else if (PTR_ERR(fotg210->pclk) == -EPROBE_DEFER) { - /* - * Percolate deferrals, for anything else, - * just live without the clocking. - */ - ret = -EPROBE_DEFER; - goto err; - } - fotg210->phy = devm_usb_get_phy_by_phandle(dev, "usb-phy", 0); if (IS_ERR(fotg210->phy)) { ret = PTR_ERR(fotg210->phy); if (ret == -EPROBE_DEFER) - goto err_pclk; + goto err_free; dev_info(dev, "no PHY found\n"); fotg210->phy = NULL; } else { ret = usb_phy_init(fotg210->phy); if (ret) - goto err_pclk; + goto err_free; dev_info(dev, "found and initialized PHY\n"); } @@ -1288,11 +1267,8 @@ err_map: err_alloc: for (i = 0; i < FOTG210_MAX_NUM_EP; i++) kfree(fotg210->ep[i]); -err_pclk: - if (!IS_ERR(fotg210->pclk)) - clk_disable_unprepare(fotg210->pclk); -err: +err_free: kfree(fotg210); return ret; } diff --git a/drivers/usb/fotg210/fotg210-udc.h b/drivers/usb/fotg210/fotg210-udc.h index 20335a38a410..22b72caf498c 100644 --- a/drivers/usb/fotg210/fotg210-udc.h +++ b/drivers/usb/fotg210/fotg210-udc.h @@ -231,7 +231,6 @@ struct fotg210_ep { struct fotg210_udc { spinlock_t lock; /* protect the struct */ void __iomem *reg; - struct clk *pclk; unsigned long irq_trigger; diff --git a/drivers/usb/fotg210/fotg210.h b/drivers/usb/fotg210/fotg210.h index 50436cc16538..4d0d4ae1a957 100644 --- a/drivers/usb/fotg210/fotg210.h +++ b/drivers/usb/fotg210/fotg210.h @@ -12,6 +12,7 @@ struct fotg210 { struct device *dev; struct resource *res; void __iomem *base; + struct clk *pclk; struct regmap *map; enum gemini_port port; }; |