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path: root/drivers/usb/dwc3/dwc3-omap.c
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Diffstat (limited to 'drivers/usb/dwc3/dwc3-omap.c')
-rw-r--r--drivers/usb/dwc3/dwc3-omap.c24
1 files changed, 10 insertions, 14 deletions
diff --git a/drivers/usb/dwc3/dwc3-omap.c b/drivers/usb/dwc3/dwc3-omap.c
index e1206b41993..43a248219aa 100644
--- a/drivers/usb/dwc3/dwc3-omap.c
+++ b/drivers/usb/dwc3/dwc3-omap.c
@@ -309,7 +309,6 @@ static int dwc3_omap_remove_core(struct device *dev, void *c)
static int dwc3_omap_probe(struct platform_device *pdev)
{
- struct dwc3_omap_data *pdata = pdev->dev.platform_data;
struct device_node *node = pdev->dev.of_node;
struct dwc3_omap *omap;
@@ -326,6 +325,11 @@ static int dwc3_omap_probe(struct platform_device *pdev)
void __iomem *base;
void *context;
+ if (!node) {
+ dev_err(dev, "device node not found\n");
+ return -EINVAL;
+ }
+
omap = devm_kzalloc(dev, sizeof(*omap), GFP_KERNEL);
if (!omap) {
dev_err(dev, "not enough memory\n");
@@ -387,12 +391,7 @@ static int dwc3_omap_probe(struct platform_device *pdev)
reg = dwc3_omap_readl(omap->base, USBOTGSS_UTMI_OTG_STATUS);
- if (node)
- of_property_read_u32(node, "utmi-mode", &utmi_mode);
- else if (pdata)
- utmi_mode = pdata->utmi_mode;
- else
- dev_dbg(dev, "missing platform data\n");
+ of_property_read_u32(node, "utmi-mode", &utmi_mode);
switch (utmi_mode) {
case DWC3_OMAP_UTMI_MODE_SW:
@@ -435,13 +434,10 @@ static int dwc3_omap_probe(struct platform_device *pdev)
dwc3_omap_writel(omap->base, USBOTGSS_IRQENABLE_SET_1, reg);
- if (node) {
- ret = of_platform_populate(node, NULL, NULL, dev);
- if (ret) {
- dev_err(&pdev->dev,
- "failed to add create dwc3 core\n");
- return ret;
- }
+ ret = of_platform_populate(node, NULL, NULL, dev);
+ if (ret) {
+ dev_err(&pdev->dev, "failed to create dwc3 core\n");
+ return ret;
}
return 0;