[linux-sunxi] [PATCH] sunxi: Properly check for SATAPWR and MACPWR

[Jernej Škrabec]

Dne torek, 19. januar 2021 ob 02:05:20 CET je Andre Przywara napisal(a):
> The #ifdef CONFIG_xxxPWR conditionals were not working as expected, as
> string Kconfig symbols are always "defined" from the preprocessor's
> perspective. This lead to unnecessary calls to the GPIO routines, but
> also always added a half a second delay to wait for a SATA disk to power
> up. Many thanks to Peter for pointing this out!
> 
> Fix this by properly comparing the Kconfig symbols against the empty
> string. strcmp() would be nicer for this, but GCC does not optimise this
> away, probably due to our standalone compiler switches.
> 
> Reported-by: Peter Robinson <pbrobinson at gmail.com>
> Signed-off-by: Andre Przywara <andre.przywara at arm.com>

Nice find!

Reviewed-by: Jernej Skrabec <jernej.skrabec at siol.net>

Best regards,
Jernej