Re: [PATCH] gpio: mmio: do not calculate bgpio_bits via "ngpios"

[Bartosz Golaszewski <brgl@xxxxxxxx>]

From: Bartosz Golaszewski <bartosz.golaszewski@xxxxxxxxxx>


On Tue, 25 Jun 2024 09:19:49 +0800, Shiji Yang wrote:
> bgpio_bits must be aligned with the data bus width. For example, on a
> 32 bit big endian system and we only have 16 GPIOs. If we only assume
> bgpio_bits=16 we can never control the GPIO because the base address
> is the lowest address.
> 
> low address                          high address
> -------------------------------------------------
> |   byte3   |   byte2   |   byte1   |   byte0   |
> -------------------------------------------------
> |    NaN    |    NaN    |  gpio8-15 |  gpio0-7  |
> -------------------------------------------------
> 
> [...]

Applied, thanks!

[1/1] gpio: mmio: do not calculate bgpio_bits via "ngpios"
      commit: f07798d7bb9c46d17d80103fb772fd2c75d47919

Best regards,
-- 
Bartosz Golaszewski <bartosz.golaszewski@xxxxxxxxxx>