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From: David Carlier <devnexen@gmail.com>
To: vkoul@kernel.org
Cc: kelvin.cao@microchip.com, logang@deltatee.com,
	Frank.Li@kernel.org, dmaengine@vger.kernel.org,
	linux-kernel@vger.kernel.org, David Carlier <devnexen@gmail.com>
Subject: Re: [PATCH] dmaengine: switchtec-dma: fix FIELD_GET misuse when programming SE threshold
Date: Thu, 21 May 2026 22:22:11 +0100	[thread overview]
Message-ID: <20260521212211.21942-1-devnexen@gmail.com> (raw)
In-Reply-To: <20260317083252.13224-1-devnexen@gmail.com>

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Hi Vinod,

Following up on this one-line fix. The bug is still present in
linux-next as of next-20260521 at drivers/dma/switchtec_dma.c:1102 —
FIELD_GET extracts a zero from the 9-bit thresh value against the
bits 23-31 mask, so the SE threshold field is never actually written.

Original posting:
https://lore.kernel.org/dmaengine/20260317083252.13224-1-devnexen@gmail.com/

Thanks,
David

      parent reply	other threads:[~2026-05-21 21:22 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-03-17  8:32 [PATCH] dmaengine: switchtec-dma: fix FIELD_GET misuse when programming SE threshold David Carlier
2026-03-27 17:00 ` Logan Gunthorpe
2026-03-30 15:03 ` Frank Li
2026-05-21 21:22 ` David Carlier [this message]

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