Вторник,  4 марта 2014, 13:12 +04:00 от Alexander Shiyan <shc_w...@mail.ru>:
> Вторник,  4 марта 2014, 11:01 +02:00 от Peter Ujfalusi 
> <peter.ujfal...@ti.com>:
> > 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.ujfal...@ti.com>
> > 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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