> -----Original Message----- > From: Jonathan Cameron <jic23@xxxxxxxxxx> > Sent: Sunday, October 23, 2022 2:43 PM > To: Cosmin Tanislav <demonsingur@xxxxxxxxx> > Cc: Sa, Nuno <Nuno.Sa@xxxxxxxxxx>; Lars-Peter Clausen > <lars@xxxxxxxxxx>; Hennerich, Michael <Michael.Hennerich@xxxxxxxxxx>; > Rob Herring <robh+dt@xxxxxxxxxx>; Krzysztof Kozlowski > <krzysztof.kozlowski+dt@xxxxxxxxxx>; linux-iio@xxxxxxxxxxxxxxx; > devicetree@xxxxxxxxxxxxxxx; linux-kernel@xxxxxxxxxxxxxxx; Tanislav, Cosmin > <Cosmin.Tanislav@xxxxxxxxxx> > 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@xxxxxxxxx> wrote: > > > From: Cosmin Tanislav <cosmin.tanislav@xxxxxxxxxx> > > > > 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@xxxxxxxxxx> > 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@xxxxxxxxxx>