diff options
| author | Suzuki K Poulose <suzuki.poulose@arm.com> | 2019-07-23 23:18:38 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-07-30 13:07:42 +0200 |
| commit | 36f3313d6bff91ab2a9e47698c27d15363640a4e (patch) | |
| tree | 08890611e1b8b812b8d7d532f574d23162df60a3 /include/linux/platform_device.h | |
| parent | 6bf85ba9e55f659ddc0747bf1bb504ec6d15f525 (diff) | |
platform: Add platform_find_device_by_driver() helper
Provide a helper to lookup platform devices by matching device
driver in order to avoid drivers trying to use platform bus
internals.
Cc: Eric Anholt <eric@anholt.net>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: "Heiko Stübner" <heiko@sntech.de>
Cc: Inki Dae <inki.dae@samsung.com>
Cc: "Rafael J. Wysocki" <rafael@kernel.org>
Cc: Sandy Huang <hjc@rock-chips.com>
Cc: Seung-Woo Kim <sw0312.kim@samsung.com>
Tested-by: Heiko Stuebner <heiko@sntech.de>
Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com>
Link: https://lore.kernel.org/r/20190723221838.12024-8-suzuki.poulose@arm.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'include/linux/platform_device.h')
| -rw-r--r-- | include/linux/platform_device.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/include/linux/platform_device.h b/include/linux/platform_device.h index 9bc36b589827..37e15a935a42 100644 --- a/include/linux/platform_device.h +++ b/include/linux/platform_device.h @@ -51,6 +51,9 @@ extern struct device platform_bus; extern void arch_setup_pdev_archdata(struct platform_device *); extern struct resource *platform_get_resource(struct platform_device *, unsigned int, unsigned int); +extern struct device * +platform_find_device_by_driver(struct device *start, + const struct device_driver *drv); extern void __iomem * devm_platform_ioremap_resource(struct platform_device *pdev, unsigned int index); |