Вторник, 4 марта 2014, 13:12 +04:00 от Alexander Shiyan <shc_work@xxxxxxx>:
> Вторник, 4 марта 2014, 11:01 +02:00 от Peter Ujfalusi <peter.ujfalusi@xxxxxx>:
> > We can then remove the iounmap() calls from probe and remove.
> > Since the driver requests the resources via index we can do the mem resource
> > request within a for loop.
> >
> > Signed-off-by: Peter Ujfalusi <peter.ujfalusi@xxxxxx>
> > Reviewed-by: Santosh Shilimkar <santosh.shilimkar@ti>
> > ---
>
> > + /* Get mem resources */
> > + for (i = 0; i < 3; i++) {
> > + struct resource *res = platform_get_resource(pdev,
> > + IORESOURCE_MEM, i);
> > + if (!res) {
> > + dev_err(&pdev->dev, "couldn't find resource %d\n", i);
> > + return -ENODEV;
> > + }
>
> No need to check "res". devm_request_and_ioremap() do all for us.
>
> > - l3->l3_base[2] = ioremap(res->start, resource_size(res));
> > - if (!l3->l3_base[2]) {
> > - dev_err(&pdev->dev, "ioremap failed\n");
> > - ret = -ENOMEM;
> > - goto err2;
> > + l3->l3_base[i] = devm_request_and_ioremap(&pdev->dev, res);
> > + if (!l3->l3_base[i]) {
>
> if (IS_ERR(l3->l3_base[i]))
Ahh, I messed up this with devm_ioremap_resource().
However, if there is reason to use devm_request_and_ioremap() here?
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