diff options
| author | Suzuki K Poulose <suzuki.poulose@arm.com> | 2019-07-24 01:18:38 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-07-30 14:07:42 +0300 |
| commit | 36f3313d6bff91ab2a9e47698c27d15363640a4e (patch) | |
| tree | 08890611e1b8b812b8d7d532f574d23162df60a3 /drivers/gpu/drm/exynos | |
| parent | 6bf85ba9e55f659ddc0747bf1bb504ec6d15f525 (diff) | |
| download | linux-36f3313d6bff91ab2a9e47698c27d15363640a4e.tar.xz | |
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 'drivers/gpu/drm/exynos')
| -rw-r--r-- | drivers/gpu/drm/exynos/exynos_drm_drv.c | 9 |
1 files changed, 3 insertions, 6 deletions
diff --git a/drivers/gpu/drm/exynos/exynos_drm_drv.c b/drivers/gpu/drm/exynos/exynos_drm_drv.c index 58baf49d9926..badab94be2d6 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_drv.c +++ b/drivers/gpu/drm/exynos/exynos_drm_drv.c @@ -242,9 +242,7 @@ static struct component_match *exynos_drm_match_add(struct device *dev) if (!info->driver || !(info->flags & DRM_COMPONENT_DRIVER)) continue; - while ((d = bus_find_device(&platform_bus_type, p, - &info->driver->driver, - (void *)platform_bus_type.match))) { + while ((d = platform_find_device_by_driver(p, &info->driver->driver))) { put_device(p); if (!(info->flags & DRM_FIMC_DEVICE) || @@ -412,9 +410,8 @@ static void exynos_drm_unregister_devices(void) if (!info->driver || !(info->flags & DRM_VIRTUAL_DEVICE)) continue; - while ((dev = bus_find_device(&platform_bus_type, NULL, - &info->driver->driver, - (void *)platform_bus_type.match))) { + while ((dev = platform_find_device_by_driver(NULL, + &info->driver->driver))) { put_device(dev); platform_device_unregister(to_platform_device(dev)); } |