From mboxrd@z Thu Jan  1 00:00:00 1970
From: Marek Vasut <marex@denx.de>
Date: Fri, 4 Jul 2014 16:58:09 +0200
Subject: [U-Boot] [PATCH 1/5] AHCI: Increase link timeout to 200ms
In-Reply-To: <1401554175-29599-1-git-send-email-ijc@hellion.org.uk>
References: <1401554145.15871.100.camel@hastur.hellion.org.uk>
	<1401554175-29599-1-git-send-email-ijc@hellion.org.uk>
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On Saturday, May 31, 2014 at 06:36:11 PM, Ian Campbell wrote:
> In 73545f75b66d "ahci: wait longer for link" I increased the
> timeout to 40ms based on the observed behaviour of a WD disk on a
> Cubietruck. Since then Karsten Merker and myself have both
> observed timeouts with HGST disks (Karsten on Cubietruck, me on
> Cubieboard2). Increasing the timeout to ~175ms fixes this, so go
> to 200ms for a bit of headroom.
> 
> Signed-off-by: Ian Campbell <ijc@hellion.org.uk>
> Cc: Karsten Merker <merker@debian.org>

Is there no way to poll for this condition instead of using an ever-growing 
timeout?

Best regards,
Marek Vasut