Messages in this thread | | | From | "Sa, Nuno" <> | Subject | RE: [PATCH v2 2/5] iio: temperature: ltc2983: make bulk write buffer DMA-safe | Date | Mon, 24 Oct 2022 06:35:15 +0000 |
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> -----Original Message----- > From: Jonathan Cameron <jic23@kernel.org> > Sent: Sunday, October 23, 2022 2:43 PM > To: Cosmin Tanislav <demonsingur@gmail.com> > Cc: Sa, Nuno <Nuno.Sa@analog.com>; Lars-Peter Clausen > <lars@metafoo.de>; Hennerich, Michael <Michael.Hennerich@analog.com>; > Rob Herring <robh+dt@kernel.org>; Krzysztof Kozlowski > <krzysztof.kozlowski+dt@linaro.org>; linux-iio@vger.kernel.org; > devicetree@vger.kernel.org; linux-kernel@vger.kernel.org; Tanislav, Cosmin > <Cosmin.Tanislav@analog.com> > Subject: Re: [PATCH v2 2/5] iio: temperature: ltc2983: make bulk write buffer > DMA-safe > > [External] > > On Thu, 20 Oct 2022 12:02:54 +0300 > Cosmin Tanislav <demonsingur@gmail.com> wrote: > > > From: Cosmin Tanislav <cosmin.tanislav@analog.com> > > > > regmap_bulk_write() does not guarantee implicit DMA-safety, > > even though the current implementation duplicates the given > > buffer. Do not rely on it. > > > > Fixes: f110f3188e56 ("iio: temperature: Add support for LTC2983") > > Signed-off-by: Cosmin Tanislav <cosmin.tanislav@analog.com> > LGTM. > > As you right observed this is only sort of a fix because right now we > are fine anyway, so in the interests of getting the rest of the series > upstream quicker I'll take this one for the next merge window along > with the rest of the set. > > Thanks, > > Jonathan >
Not sure if you already applied this... Anyways:
Reviewed-by: Nuno Sá <nuno.sa@analog.com>
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