From: Varka Bhadram <varkabhadram@xxxxxxxxx>
Sanity check on resource happening with devm_ioremap_resource().
Signed-off-by: Varka Bhadram <varkab@xxxxxxx>
---
drivers/usb/dwc3/core.c | 19 +++++++------------
1 file changed, 7 insertions(+), 12 deletions(-)
diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c
index b0f4d52..c9ccac9 100644
--- a/drivers/usb/dwc3/core.c
+++ b/drivers/usb/dwc3/core.c
@@ -655,10 +655,13 @@ static int dwc3_probe(struct platform_device *pdev)
dwc->xhci_resources[1].name = res->name;
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- if (!res) {
- dev_err(dev, "missing memory resource\n");
- return -ENODEV;
- }
+ /*
+ * Request memory region but exclude xHCI regs,
+ * since it will be requested by the xhci-plat driver.
+ */
+ regs = devm_ioremap_resource(dev, res);
+ if (IS_ERR(regs))
+ return PTR_ERR(regs);
dwc->xhci_resources[0].start = res->start;
dwc->xhci_resources[0].end = dwc->xhci_resources[0].start +
@@ -668,14 +671,6 @@ static int dwc3_probe(struct platform_device *pdev)
res->start += DWC3_GLOBALS_REGS_START;
- /*
- * Request memory region but exclude xHCI regs,
- * since it will be requested by the xhci-plat driver.
- */
- regs = devm_ioremap_resource(dev, res);
- if (IS_ERR(regs))
- return PTR_ERR(regs);
-
dwc->regs = regs;
dwc->regs_size = resource_size(res);
/*
--
1.7.9.5
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