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mtd: Convert to devm_ioremap_resource()

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Convert all uses of devm_request_and_ioremap() to the newly introduced
devm_ioremap_resource() which provides more consistent error handling.

devm_ioremap_resource() provides its own error messages so all explicit
error messages can be removed from the failure code paths.

Signed-off-by: Thierry Reding <thierry.reding@avionic-design.de>
Cc: David Woodhouse <dwmw2@infradead.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Thierry Reding
2013-01-21 11:09:12 +01:00
committed by Greg Kroah-Hartman
parent a3e2cd7f24
commit b0de774c63
9 changed files with 44 additions and 56 deletions
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8
drivers/mtd/maps/lantiq-flash.c
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@@ -7,6 +7,7 @@
* Copyright (C) 2010 John Crispin <blogic@openwrt.org>
*/
#include <linux/err.h>
#include <linux/module.h>
#include <linux/types.h>
#include <linux/kernel.h>
@@ -136,10 +137,9 @@ ltq_mtd_probe(struct platform_device *pdev)
ltq_mtd->map = kzalloc(sizeof(struct map_info), GFP_KERNEL);
ltq_mtd->map->phys = ltq_mtd->res->start;
ltq_mtd->map->size = resource_size(ltq_mtd->res);
ltq_mtd->map->virt = devm_request_and_ioremap(&pdev->dev, ltq_mtd->res);
if (!ltq_mtd->map->virt) {
dev_err(&pdev->dev, "failed to remap mem resource\n");
err = -EBUSY;
ltq_mtd->map->virt = devm_ioremap_resource(&pdev->dev, ltq_mtd->res);
if (IS_ERR(ltq_mtd->map->virt)) {
err = PTR_ERR(ltq_mtd->map->virt);
goto err_out;
}