On 03/04/2014 11:12 AM, Alexander Shiyan wrote:
> 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]))
>
>> + dev_err(&pdev->dev, "ioremap %d failed\n", i);
>
> Unnecessary.
I'm going to keep this since it tells which resource of the three has failed.
>
>> + return -ENOMEM;
>
> return PTR_ERR(l3->l3_base[i]);
>
> ---
>
--
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