Re: [PATCH v5 10/10] gpio: gpio-aspeed-sgpio: Return error if ngpios is not multiple of 8.

Andrew Jeffery andrew at
Wed Jun 9 10:56:11 AEST 2021

On Tue, 8 Jun 2021, at 19:55, Steven Lee wrote:
> Add an else-if condition in the probe function to check whether ngpios is
> multiple of 8.
> Per AST datasheet, numbers of available serial GPIO pins in Serial GPIO
> Configuration Register must be n bytes. For instance, if n = 1, it means
> AST SoC supports 8 GPIO pins.
> Signed-off-by: Steven Lee <steven_lee at>

Reviewed-by: Andrew Jeffery <andrew at>

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