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authorMauro Carvalho Chehab <mchehab+huawei@kernel.org>2021-09-27 15:59:50 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2021-09-28 12:48:16 +0200
commit654e4d5d3d5b778a6d33fcab4028a3c89714c04e (patch)
tree37b70a1d15668733f8ebe7eade5cbfb2e7e80092 /Documentation/ABI
parente080f24795d03605dfec063820d92b3d848006da (diff)
downloadlinux-654e4d5d3d5b778a6d33fcab4028a3c89714c04e.tar.bz2
ABI: sysfs-bus-platform: add modalias description
Define the modalias parameter for platform devices, including the ones exposed via devicetree. Acked-by: Barry Song <song.bao.hua@hisilicon.com> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Link: https://lore.kernel.org/r/9cdebbad008886b1d09f5f3ac5d88bee19f08d97.1632750608.git.mchehab+huawei@kernel.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'Documentation/ABI')
-rw-r--r--Documentation/ABI/testing/sysfs-bus-platform12
1 files changed, 12 insertions, 0 deletions
diff --git a/Documentation/ABI/testing/sysfs-bus-platform b/Documentation/ABI/testing/sysfs-bus-platform
index ff30728595ef..c4dfe7355c2d 100644
--- a/Documentation/ABI/testing/sysfs-bus-platform
+++ b/Documentation/ABI/testing/sysfs-bus-platform
@@ -42,3 +42,15 @@ Date: August 2021
Contact: Barry Song <song.bao.hua@hisilicon.com>
Description:
This attribute will show "msi" if <N> is a valid msi irq
+
+What: /sys/bus/platform/devices/.../modalias
+Description:
+ Same as MODALIAS in the uevent at device creation.
+
+ A platform device that it is exposed via devicetree uses:
+
+ - of:N`of node name`T`type`
+
+ Other platform devices use, instead:
+
+ - platform:`driver name`