From: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
To: Thomas Fourier <fourier.thomas@gmail.com>
Cc: Jiri Slaby <jirislaby@kernel.org>,
Tomoya MORINAGA <tomoya-linux@dsn.okisemi.com>,
linux-kernel@vger.kernel.org, linux-serial@vger.kernel.org
Subject: Re: [PATCH v3] pch_uart: Fix dma_sync_sg_for_device() nents value
Date: Tue, 1 Jul 2025 16:53:49 +0300 [thread overview]
Message-ID: <aGPobZ6reAWrRtV0@smile.fi.intel.com> (raw)
In-Reply-To: <20250701113452.18590-2-fourier.thomas@gmail.com>
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@linux.intel.com>
--
With Best Regards,
Andy Shevchenko
next prev parent reply other threads:[~2025-07-01 13:53 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-07-01 11:34 [PATCH v3] pch_uart: Fix dma_sync_sg_for_device() nents value Thomas Fourier
2025-07-01 13:53 ` Andy Shevchenko [this message]
2025-07-01 14:07 ` Greg KH
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