From: Wolfram Sang <wsa@the-dreams.de>
To: Geert Uytterhoeven <geert+renesas@glider.be>
Cc: Vinod Koul <vkoul@kernel.org>,
Dan Williams <dan.j.williams@intel.com>,
Eugeniu Rosca <erosca@de.adit-jv.com>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Jiri Slaby <jslaby@suse.com>,
Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>,
Wolfram Sang <wsa+renesas@sang-engineering.com>,
linux-serial@vger.kernel.org, linux-renesas-soc@vger.kernel.org,
dmaengine@vger.kernel.org
Subject: Re: [PATCH] dmaengine: rcar-dmac: Reject zero-length slave DMA requests
Date: Mon, 24 Jun 2019 14:49:01 +0200 [thread overview]
Message-ID: <20190624124900.GA4778@kunai> (raw)
In-Reply-To: <20190624123818.20919-1-geert+renesas@glider.be>
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> Although requesting a zero-length DMA request is a driver bug, rejecting
> it early eases debugging.
True. I wonder, though, if we then should turn the message into a WARN,
so the call stack will point to the faulty driver?
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next prev parent reply other threads:[~2019-06-24 12:49 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-06-24 12:38 [PATCH] dmaengine: rcar-dmac: Reject zero-length slave DMA requests Geert Uytterhoeven
2019-06-24 12:49 ` Wolfram Sang [this message]
2019-06-25 4:38 ` Vinod Koul
2019-06-25 4:40 ` Vinod Koul
2019-06-26 18:14 ` Eugeniu Rosca
2019-06-28 12:10 ` Geert Uytterhoeven
2019-06-28 12:57 ` Wolfram Sang
2019-07-03 15:34 ` Eugeniu Rosca
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