[U-Boot] [PATCH] sunxi: ahci: Add a delay after enabling target power

Ian Campbell ijc at hellion.org.uk
Fri Nov 14 16:55:56 CET 2014


On Fri, 2014-11-14 at 16:30 +0100, Hans de Goede wrote:
> If the target power is connected through a gpio, then give the target some
> time to power up before continuing with ahci / sata probing, this avoids
> link timeouts, without penalizing other boards where there is no target
> power gpio.
> 
> Why 500 ms ? I started with 200, that was not enough, then I went to 500 which
> worked, lowering it to 350 broke things again, so 500 seems the minimum my
> vertex2 needs to be ready to get probed.

;-)

> Signed-off-by: Hans de Goede <hdegoede at redhat.com>

Acked-by: Ian Campbell <ijc at hellion.org.uk>




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