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From: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
To: "Ilpo Järvinen" <ilpo.jarvinen@linux.intel.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	Jiri Slaby <jirislaby@kernel.org>,
	linux-serial@vger.kernel.org, linux-kernel@vger.kernel.org,
	stable@vger.kernel.org, Wentong Wu <wentong.wu@intel.com>,
	Srikanth Thokala <srikanth.thokala@intel.com>,
	Aman Kumar <aman.kumar@intel.com>
Subject: Re: [PATCH 3/4] serial: 8250_lpss: Use 16B DMA burst with Elkhart Lake
Date: Mon, 7 Nov 2022 13:38:08 +0200	[thread overview]
Message-ID: <Y2juIETKUZtw9wu6@smile.fi.intel.com> (raw)
In-Reply-To: <20221107110708.58223-4-ilpo.jarvinen@linux.intel.com>

On Mon, Nov 07, 2022 at 01:07:07PM +0200, Ilpo Järvinen wrote:
> Configure DMA to use 16B burst size with Elkhart Lake. This makes the
> bus use more efficient and works around an issue which occurs with the
> previously used 1B.
> 
> Fixes: 0a9410b981e9 ("serial: 8250_lpss: Enable DMA on Intel Elkhart Lake")
> Cc: <stable@vger.kernel.org> # serial: 8250_lpss: Configure DMA also w/o DMA filter
> Reported-by: Wentong Wu <wentong.wu@intel.com>
> Co-developed-by: Srikanth Thokala <srikanth.thokala@intel.com>
> Signed-off-by: Srikanth Thokala <srikanth.thokala@intel.com>
> Co-developed-by: Aman Kumar <aman.kumar@intel.com>
> Signed-off-by: Aman Kumar <aman.kumar@intel.com>
> Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
> 
> ---
> I know the list of Co-dev-bys & Sob seems a bit odd for a oneliner.
> The reason is that I cleaned up this from a more complex patch using
> the earlier change that I authored myself so only this oneliner
> remained in this patch.

If you changed more than 70% of the code, I would suggest to drop the rest of
(Co)authors and if you want to pay a credit, just mention them in the commit
message in a free form.

-- 
With Best Regards,
Andy Shevchenko



  reply	other threads:[~2022-11-07 11:38 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-11-07 11:07 [PATCH 0/4] 8250: DMA Fixes Ilpo Järvinen
2022-11-07 11:07 ` [PATCH 1/4] serial: 8250: Fall back to non-DMA Rx if IIR_RDI occurs Ilpo Järvinen
2022-11-07 11:07 ` [PATCH 2/4] serial: 8250_lpss: Configure DMA also w/o DMA filter Ilpo Järvinen
2022-11-07 11:36   ` Andy Shevchenko
2022-11-07 11:07 ` [PATCH 3/4] serial: 8250_lpss: Use 16B DMA burst with Elkhart Lake Ilpo Järvinen
2022-11-07 11:38   ` Andy Shevchenko [this message]
2022-11-07 11:07 ` [PATCH 4/4] serial: 8250: Flush DMA Rx on RLSI Ilpo Järvinen
2022-11-07 11:40   ` Andy Shevchenko
2022-11-07 11:32 ` [PATCH 0/4] 8250: DMA Fixes Andy Shevchenko
2022-11-07 11:50   ` Ilpo Järvinen
2022-11-07 12:03     ` Andy Shevchenko

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