Re: [PATCH 0/2] gpio: mmio: introduce BGPIOF_NO_SET_ON_INPUT

From: Sergio Paracuellos
Date: Sun Mar 15 2020 - 10:18:08 EST


Hi,

On Sun, Mar 15, 2020 at 1:14 PM Chuanhong Guo <gch981213@xxxxxxxxx> wrote:
>
> Currently gpio-hog doesn't work on gpio-mt7621 driver. On further
> debugging, I noticed that set/clear register on this controller
> only works on output pins. We need to setup pin direction before
> writing values in bgpio_dir_out for a correct gpio-hog behavior.
> This patchset introduces a new flag BGPIOF_NO_SET_ON_INPUT for
> these kind of controller and set this flag for gpio-mt7621.
>
> Chuanhong Guo (2):
> gpio: mmio: introduce BGPIOF_NO_SET_ON_INPUT
> gpio: mt7621: add BGPIOF_NO_SET_ON_INPUT flag
>
> drivers/gpio/gpio-mmio.c | 23 +++++++++++++++++++----
> drivers/gpio/gpio-mt7621.c | 4 ++--
> include/linux/gpio/driver.h | 1 +
> 3 files changed, 22 insertions(+), 6 deletions(-)
>

This series looks good to me.

Reviewed-by: Sergio Paracuellos <sergio.paracuellos@xxxxxxxxx>

Best regards,
Sergio Paracuellos

> --
> 2.24.1
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