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path: root/drivers/usb/gadget/udc/s3c2410_udc.c
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Diffstat (limited to 'drivers/usb/gadget/udc/s3c2410_udc.c')
-rw-r--r--drivers/usb/gadget/udc/s3c2410_udc.c28
1 files changed, 14 insertions, 14 deletions
diff --git a/drivers/usb/gadget/udc/s3c2410_udc.c b/drivers/usb/gadget/udc/s3c2410_udc.c
index f1ea51476add..b154b62abefa 100644
--- a/drivers/usb/gadget/udc/s3c2410_udc.c
+++ b/drivers/usb/gadget/udc/s3c2410_udc.c
@@ -54,8 +54,6 @@ static struct clk *udc_clock;
static struct clk *usb_bus_clock;
static void __iomem *base_addr;
static int irq_usbd;
-static u64 rsrc_start;
-static u64 rsrc_len;
static struct dentry *s3c2410_udc_debugfs_root;
static inline u32 udc_read(u32 reg)
@@ -1752,7 +1750,8 @@ static int s3c2410_udc_probe(struct platform_device *pdev)
udc_clock = clk_get(NULL, "usb-device");
if (IS_ERR(udc_clock)) {
dev_err(dev, "failed to get udc clock source\n");
- return PTR_ERR(udc_clock);
+ retval = PTR_ERR(udc_clock);
+ goto err_usb_bus_clk;
}
clk_prepare_enable(udc_clock);
@@ -1773,9 +1772,9 @@ static int s3c2410_udc_probe(struct platform_device *pdev)
udc_info = dev_get_platdata(&pdev->dev);
base_addr = devm_platform_ioremap_resource(pdev, 0);
- if (!base_addr) {
- retval = -ENOMEM;
- goto err_mem;
+ if (IS_ERR(base_addr)) {
+ retval = PTR_ERR(base_addr);
+ goto err_udc_clk;
}
the_controller = udc;
@@ -1793,7 +1792,7 @@ static int s3c2410_udc_probe(struct platform_device *pdev)
if (retval != 0) {
dev_err(dev, "cannot get irq %i, err %d\n", irq_usbd, retval);
retval = -EBUSY;
- goto err_map;
+ goto err_udc_clk;
}
dev_dbg(dev, "got irq %i\n", irq_usbd);
@@ -1864,10 +1863,14 @@ err_gpio_claim:
gpio_free(udc_info->vbus_pin);
err_int:
free_irq(irq_usbd, udc);
-err_map:
- iounmap(base_addr);
-err_mem:
- release_mem_region(rsrc_start, rsrc_len);
+err_udc_clk:
+ clk_disable_unprepare(udc_clock);
+ clk_put(udc_clock);
+ udc_clock = NULL;
+err_usb_bus_clk:
+ clk_disable_unprepare(usb_bus_clock);
+ clk_put(usb_bus_clock);
+ usb_bus_clock = NULL;
return retval;
}
@@ -1899,9 +1902,6 @@ static int s3c2410_udc_remove(struct platform_device *pdev)
free_irq(irq_usbd, udc);
- iounmap(base_addr);
- release_mem_region(rsrc_start, rsrc_len);
-
if (!IS_ERR(udc_clock) && udc_clock != NULL) {
clk_disable_unprepare(udc_clock);
clk_put(udc_clock);