gpio/pinctrl-rockchip: Fixes for the recently separated gpio/pinctrl driver
From: Heiko Stuebner <heiko@...> Date: Tue, 14 Sep 2021 00:40:47 +0200
It looks like rk3288-veyron(-pinky) was the one device in my boardfarm I didn't test the pinctrl/gpio patches on and it seems this one uses some specific parts none of the other do. So when I did my v5.15-rc1 testrun I got a surprise. Not only did the pinctrl-hogs cause a null-pointer exception but the device also entered a reset loop a bit later in the boot. This series addresses the issues in hopefully a nice way and should ideally become part of 5.15 before other people run into issues. * Patch 1 addresses the reset-loop, which is caused by a not-ideal check vor v1 vs. v2 controller in the debounce code * Patch 2 is just a find when looking through the code * Patches 3+4 address the pinctrl-hogs issue by creating a deferred queue where the pinctrl can temporarily store these hog settings if needed and the pinctrl driver can retrieve them during probe. Heiko Stuebner (4): gpio/rockchip: extended debounce support is only available on v2 gpio/rockchip: fix get_direction value handling pinctrl/rockchip: add a queue for deferred pin output settings on probe gpio/rockchip: fetch deferred output settings on probe drivers/gpio/gpio-rockchip.c | 26 +++++++++++- drivers/pinctrl/pinctrl-rockchip.c | 67 ++++++++++++++++++++++++++++++ drivers/pinctrl/pinctrl-rockchip.h | 10 +++++ 3 files changed, 101 insertions(+), 2 deletions(-) -- 2.29.2
Patches in this set
- [0001] gpio/rockchip: extended debounce support is only (raw)
- [0002] gpio/rockchip: fix get_direction value handling (raw)
- [0003] pinctrl/rockchip: add a queue for deferred pin output (raw)
- [0004] gpio/rockchip: fetch deferred output settings on probe (raw)
Statistics
- 4 individual patches
- 101 lines added
- 2 lines removed