On 2020/9/18 16:25, Wang ShaoBo wrote: > Make use of devm_platform_get_and_ioremap_resource() provided by > driver core platform instead of duplicated analogue. dev_err() is > removed because it has been done in devm_ioremap_resource(). > > Signed-off-by: Wang ShaoBo <bobo.shaobowang@xxxxxxxxxx> > --- > drivers/i2c/busses/i2c-efm32.c | 12 +++--------- > 1 file changed, 3 insertions(+), 9 deletions(-) > > diff --git a/drivers/i2c/busses/i2c-efm32.c b/drivers/i2c/busses/i2c-efm32.c > index 838ce0947191..f6e13ceeb2b3 100644 > --- a/drivers/i2c/busses/i2c-efm32.c > +++ b/drivers/i2c/busses/i2c-efm32.c > @@ -332,21 +332,15 @@ static int efm32_i2c_probe(struct platform_device *pdev) > return ret; > } > > - res = platform_get_resource(pdev, IORESOURCE_MEM, 0); > - if (!res) { > - dev_err(&pdev->dev, "failed to determine base address\n"); > - return -ENODEV; > - } > + ddata->base = devm_platform_get_and_ioremap_resource(pdev, 0, &res); > + if (IS_ERR(ddata->base)) > + return PTR_ERR(ddata->base); > > if (resource_size(res) < 0x42) { res is not assigned. should it be removed? > dev_err(&pdev->dev, "memory resource too small\n"); > return -EINVAL; > } > > - ddata->base = devm_ioremap_resource(&pdev->dev, res); > - if (IS_ERR(ddata->base)) > - return PTR_ERR(ddata->base); > - > ret = platform_get_irq(pdev, 0); > if (ret <= 0) { > if (!ret)