diff options
Diffstat (limited to 'drivers/usb/gadget/udc/bdc/bdc_core.c')
-rw-r--r-- | drivers/usb/gadget/udc/bdc/bdc_core.c | 30 |
1 files changed, 15 insertions, 15 deletions
diff --git a/drivers/usb/gadget/udc/bdc/bdc_core.c b/drivers/usb/gadget/udc/bdc/bdc_core.c index 0bef6b3f049b..fa1a3908ec3b 100644 --- a/drivers/usb/gadget/udc/bdc/bdc_core.c +++ b/drivers/usb/gadget/udc/bdc/bdc_core.c @@ -488,27 +488,14 @@ static int bdc_probe(struct platform_device *pdev) int irq; u32 temp; struct device *dev = &pdev->dev; - struct clk *clk; int phy_num; dev_dbg(dev, "%s()\n", __func__); - clk = devm_clk_get_optional(dev, "sw_usbd"); - if (IS_ERR(clk)) - return PTR_ERR(clk); - - ret = clk_prepare_enable(clk); - if (ret) { - dev_err(dev, "could not enable clock\n"); - return ret; - } - bdc = devm_kzalloc(dev, sizeof(*bdc), GFP_KERNEL); if (!bdc) return -ENOMEM; - bdc->clk = clk; - bdc->regs = devm_platform_ioremap_resource(pdev, 0); if (IS_ERR(bdc->regs)) return PTR_ERR(bdc->regs); @@ -545,10 +532,20 @@ static int bdc_probe(struct platform_device *pdev) } } + bdc->clk = devm_clk_get_optional(dev, "sw_usbd"); + if (IS_ERR(bdc->clk)) + return PTR_ERR(bdc->clk); + + ret = clk_prepare_enable(bdc->clk); + if (ret) { + dev_err(dev, "could not enable clock\n"); + return ret; + } + ret = bdc_phy_init(bdc); if (ret) { dev_err(bdc->dev, "BDC phy init failure:%d\n", ret); - return ret; + goto disable_clk; } temp = bdc_readl(bdc->regs, BDC_BDCCAP1); @@ -560,7 +557,8 @@ static int bdc_probe(struct platform_device *pdev) if (ret) { dev_err(dev, "No suitable DMA config available, abort\n"); - return -ENOTSUPP; + ret = -ENOTSUPP; + goto phycleanup; } dev_dbg(dev, "Using 32-bit address\n"); } @@ -580,6 +578,8 @@ cleanup: bdc_hw_exit(bdc); phycleanup: bdc_phy_exit(bdc); +disable_clk: + clk_disable_unprepare(bdc->clk); return ret; } |