linux-kernel - Re: [PATCH v3] pch_uart: Fix dma_sync_sg_for

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Message-ID: <aGPobZ6reAWrRtV0@smile.fi.intel.com>
Date: Tue, 1 Jul 2025 16:53:49 +0300
From: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To: Thomas Fourier <fourier.thomas@...il.com>
Cc: Jiri Slaby <jirislaby@...nel.org>,
	Tomoya MORINAGA <tomoya-linux@....okisemi.com>,
	linux-kernel@...r.kernel.org, linux-serial@...r.kernel.org
Subject: Re: [PATCH v3] pch_uart: Fix dma_sync_sg_for_device() nents value

On Tue, Jul 01, 2025 at 01:34:52PM +0200, Thomas Fourier wrote:
> The dma_sync_sg_for_device() functions should be called with the same
> nents as the dma_map_sg(), not the value the map function returned
> according to the documentation in Documentation/core-api/dma-api.rst:450:
> 	With the sync_sg API, all the parameters must be the same
> 	as those passed into the sg mapping API.

Good enough to me,
Reviewed-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>

-- 
With Best Regards,
Andy Shevchenko