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| author | Bartosz Golaszewski <[email protected]> | 2019-10-22 08:43:14 +0000 |
|---|---|---|
| committer | Greg Kroah-Hartman <[email protected]> | 2019-11-05 17:32:46 +0000 |
| commit | bb6243b4f73d29f8c8faf8f805a2042ac3973b71 (patch) | |
| tree | fed1ca08089b0662c8735d8aad99a6be95c00a89 /drivers/base/platform.c | |
| parent | lib: devres: provide devm_ioremap_resource_wc() (diff) | |
| download | kernel-bb6243b4f73d29f8c8faf8f805a2042ac3973b71.tar.gz kernel-bb6243b4f73d29f8c8faf8f805a2042ac3973b71.zip | |
drivers: platform: provide devm_platform_ioremap_resource_wc()
Provide a write-combined variant of devm_platform_ioremap_resource().
Signed-off-by: Bartosz Golaszewski <[email protected]>
Reviewed-by: Arnd Bergmann <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Greg Kroah-Hartman <[email protected]>
Diffstat (limited to 'drivers/base/platform.c')
| -rw-r--r-- | drivers/base/platform.c | 19 |
1 files changed, 18 insertions, 1 deletions
diff --git a/drivers/base/platform.c b/drivers/base/platform.c index e0ca682a756d..28eb71967f17 100644 --- a/drivers/base/platform.c +++ b/drivers/base/platform.c @@ -60,6 +60,7 @@ struct resource *platform_get_resource(struct platform_device *dev, } EXPORT_SYMBOL_GPL(platform_get_resource); +#ifdef CONFIG_HAS_IOMEM /** * devm_platform_ioremap_resource - call devm_ioremap_resource() for a platform * device @@ -68,7 +69,6 @@ EXPORT_SYMBOL_GPL(platform_get_resource); * resource management * @index: resource index */ -#ifdef CONFIG_HAS_IOMEM void __iomem *devm_platform_ioremap_resource(struct platform_device *pdev, unsigned int index) { @@ -78,6 +78,23 @@ void __iomem *devm_platform_ioremap_resource(struct platform_device *pdev, return devm_ioremap_resource(&pdev->dev, res); } EXPORT_SYMBOL_GPL(devm_platform_ioremap_resource); + +/** + * devm_platform_ioremap_resource_wc - write-combined variant of + * devm_platform_ioremap_resource() + * + * @pdev: platform device to use both for memory resource lookup as well as + * resource management + * @index: resource index + */ +void __iomem *devm_platform_ioremap_resource_wc(struct platform_device *pdev, + unsigned int index) +{ + struct resource *res; + + res = platform_get_resource(pdev, IORESOURCE_MEM, index); + return devm_ioremap_resource_wc(&pdev->dev, res); +} #endif /* CONFIG_HAS_IOMEM */ /** |