Re: [PATCH v2 3/8] mtd: maps: gpio-addr-flash: Use devm_* functions

From: Boris Brezillon
Date: Thu Sep 27 2018 - 07:35:28 EST


On Wed, 5 Sep 2018 16:36:38 +0200
Ricardo Ribalda Delgado <ricardo.ribalda@xxxxxxxxx> wrote:
> @@ -234,9 +234,11 @@ static int gpio_flash_probe(struct platform_device *pdev)
> state->map.copy_to = gf_copy_to;
> state->map.bankwidth = pdata->width;
> state->map.size = state->win_size * (1 << state->gpio_count);
> - state->map.virt = ioremap_nocache(memory->start, state->win_size);
> - if (!state->map.virt)
> - return -ENOMEM;
> + state->map.virt = devm_ioremap_resource(&pdev->dev, memory);
> + if (IS_ERR(state->map.virt)) {
> + dev_err(&pdev->dev, "failed to map memory\n");

You can drop this error message, devm_ioremap_resource() already takes
care of that (no need to send a new version, I'll fix it when applying).

> + return PTR_ERR(state->map.virt);
> + }