linux-kernel - Re: patch fix for intel sdd s3500 series on Sil3512 controller

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Date:	Mon, 24 Mar 2014 14:15:58 +0000
From:	One Thousand Gnomes <gnomes@...rguk.ukuu.org.uk>
To:	"David F." <df7729@...il.com>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: patch fix for intel sdd s3500 series on Sil3512 controller

On Sat, 22 Mar 2014 16:32:54 -0700
"David F." <df7729@...il.com> wrote:

> Hi,
> 
> It appears if nIEN is set all polling type IO fails.   After an
> attempt, future non-polled communications also fails.  This patch
> allows it to work.  Not sure if any spin lock protection would be
> needed or the system already handles the device existence for the
> generated irq with polling enabled.  handler already ignored irq if
> queued command was polling type.

Does it behave plugged into a different controller without the hacks ?

Alan

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