linux-kernel - Re: [PATCH 2/2] ahci: qoriq: Update the default Rx watermark value

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Message-ID: <20151216152519.GF4026@mtj.duckdns.org>
Date:	Wed, 16 Dec 2015 10:25:19 -0500
From:	Tejun Heo <tj@...nel.org>
To:	Yuantian.Tang@...escale.com
Cc:	linux-ide@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/2] ahci: qoriq: Update the default Rx watermark value

On Wed, Dec 16, 2015 at 01:43:50PM +0800, Yuantian.Tang@...escale.com wrote:
> From: Tang Yuantian <Yuantian.Tang@...escale.com>
> 
> The PTC[RXWM] sets the watermark value for Rx FIFO. The default
> value 0x20 might be insufficient for some hard drives. If the
> watermark value is too small, a single-cycle overflow may occur
> and is reported as a CRC or internal error in the PxSERR register.
> Updated the value to 0x29 according to the validation test.
> All LS platforms are affected.
> 
> Signed-off-by: Tang Yuantian <Yuantian.Tang@...escale.com>

Applied 1-2 to libata/for-4.5.

Thanks.

-- 
tejun
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