On 11/09/2014 10:55 PM, Fabio Estevam wrote:
On Sun, Nov 9, 2014 at 7:12 PM, Alexey Charkov <alchark@xxxxxxxxx> wrote:
+ res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ if (!res) {
+ ret = -ENODEV;
+ goto fail1;
You could save this NULL check...
+ }
mmc = mmc_alloc_host(sizeof(struct wmt_mci_priv), &pdev->dev);
if (!mmc) {
dev_err(&pdev->dev, "Failed to allocate mmc_host\n");
@@ -813,7 +819,7 @@ static int wmt_mci_probe(struct platform_device *pdev)
if (of_get_property(np, "cd-inverted", NULL))
priv->cd_inverted = 1;
- priv->sdmmc_base = of_iomap(np, 0);
If you move ' res = platform_get_resource' right here as
devm_ioremap_resource() already does the NULL check.
+ priv->sdmmc_base = devm_ioremap_resource(&pdev->dev, res);
if (!priv->sdmmc_base) {
dev_err(&pdev->dev, "Failed to map IO space\n");
ret = -ENOMEM;
This was the original intention but it would fall between the failX
jumps, i discussed that with Alexey and we decided to change it with the
cleanup to hold this patch small.
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