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path: root/drivers/i2c/busses/i2c-mxs.c
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Diffstat (limited to 'drivers/i2c/busses/i2c-mxs.c')
-rw-r--r--drivers/i2c/busses/i2c-mxs.c18
1 files changed, 6 insertions, 12 deletions
diff --git a/drivers/i2c/busses/i2c-mxs.c b/drivers/i2c/busses/i2c-mxs.c
index 0cde4e6ab2b2..7170fc892829 100644
--- a/drivers/i2c/busses/i2c-mxs.c
+++ b/drivers/i2c/busses/i2c-mxs.c
@@ -806,7 +806,6 @@ static int mxs_i2c_probe(struct platform_device *pdev)
struct mxs_i2c_dev *i2c;
struct i2c_adapter *adap;
struct resource *res;
- resource_size_t res_size;
int err, irq;
i2c = devm_kzalloc(dev, sizeof(struct mxs_i2c_dev), GFP_KERNEL);
@@ -819,18 +818,13 @@ static int mxs_i2c_probe(struct platform_device *pdev)
}
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- irq = platform_get_irq(pdev, 0);
-
- if (!res || irq < 0)
- return -ENOENT;
+ i2c->regs = devm_ioremap_resource(&pdev->dev, res);
+ if (IS_ERR(i2c->regs))
+ return PTR_ERR(i2c->regs);
- res_size = resource_size(res);
- if (!devm_request_mem_region(dev, res->start, res_size, res->name))
- return -EBUSY;
-
- i2c->regs = devm_ioremap_nocache(dev, res->start, res_size);
- if (!i2c->regs)
- return -EBUSY;
+ irq = platform_get_irq(pdev, 0);
+ if (irq < 0)
+ return irq;
err = devm_request_irq(dev, irq, mxs_i2c_isr, 0, dev_name(dev), i2c);
if (err)