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authorSuzuki K Poulose <suzuki.poulose@arm.com>2019-07-24 01:18:38 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2019-07-30 14:07:42 +0300
commit36f3313d6bff91ab2a9e47698c27d15363640a4e (patch)
tree08890611e1b8b812b8d7d532f574d23162df60a3 /drivers/gpu/drm/vc4
parent6bf85ba9e55f659ddc0747bf1bb504ec6d15f525 (diff)
downloadlinux-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/vc4')
-rw-r--r--drivers/gpu/drm/vc4/vc4_drv.c3
1 files changed, 1 insertions, 2 deletions
diff --git a/drivers/gpu/drm/vc4/vc4_drv.c b/drivers/gpu/drm/vc4/vc4_drv.c
index bf11930e40e1..1551c8253bec 100644
--- a/drivers/gpu/drm/vc4/vc4_drv.c
+++ b/drivers/gpu/drm/vc4/vc4_drv.c
@@ -237,8 +237,7 @@ static void vc4_match_add_drivers(struct device *dev,
struct device_driver *drv = &drivers[i]->driver;
struct device *p = NULL, *d;
- while ((d = bus_find_device(&platform_bus_type, p, drv,
- (void *)platform_bus_type.match))) {
+ while ((d = platform_find_device_by_driver(p, drv))) {
put_device(p);
component_match_add(dev, match, compare_dev, d);
p = d;