This patch originally started out just as a way for platform drivers to easily add a sysfs group in a race-free way, but thanks to Dmitry's patch, this series now is for all drivers in the kernel (hey, a unified driver model works!!!)
I've only converted a few platform drivers here in this series to show how it works, but other busses can be converted after the first patch goes into the tree.
Here's the original 00 message, for people to get an idea of what is going on here:
If a platform driver wants to add a sysfs group, it has to do so in a racy way, adding it after the driver is bound. To resolve this issue, have the platform driver core do this for the driver, making the individual drivers logic smaller and simpler, and solving the race at the same time.
All of these patches depend on the first patch. I'll take the first one through my driver-core tree, and any subsystem maintainer can either ack their individul patch and I will be glad to also merge it, or they can wait until after 5.4-rc1 when the core patch hits Linus's tree and then take it, it's up to them.
Thank to Richard Gong for the idea and the testing of the platform driver patch and to Dmitry Torokhov for rewriting the first patch to work well for all busses.
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V2 - work for all busses and not just platform drivers.
Dmitry Torokhov (1): driver core: add dev_groups to all drivers
Greg Kroah-Hartman (9): uio: uio_fsl_elbc_gpcm: convert platform driver to use dev_groups input: keyboard: gpio_keys: convert platform driver to use dev_groups input: axp20x-pek: convert platform driver to use dev_groups firmware: arm_scpi: convert platform driver to use dev_groups olpc: x01: convert platform driver to use dev_groups platform: x86: hp-wmi: convert platform driver to use dev_groups video: fbdev: wm8505fb: convert platform driver to use dev_groups video: fbdev: w100fb: convert platform driver to use dev_groups video: fbdev: sm501fb: convert platform driver to use dev_groups
arch/x86/platform/olpc/olpc-xo1-sci.c | 17 ++++------ drivers/base/dd.c | 14 ++++++++ drivers/firmware/arm_scpi.c | 5 +-- drivers/input/keyboard/gpio_keys.c | 13 ++------ drivers/input/misc/axp20x-pek.c | 15 ++------- drivers/platform/x86/hp-wmi.c | 47 +++++++-------------------- drivers/uio/uio_fsl_elbc_gpcm.c | 23 +++++-------- drivers/video/fbdev/sm501fb.c | 37 +++++---------------- drivers/video/fbdev/w100fb.c | 23 ++++++------- drivers/video/fbdev/wm8505fb.c | 13 ++++---- include/linux/device.h | 3 ++ 11 files changed, 76 insertions(+), 134 deletions(-)