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(parent: ed81d3d) | patch
iio: temperature: ltc2983: make bulk write buffer DMA-safe
authorCosmin Tanislav <cosmin.tanislav@analog.com>
Thu, 3 Nov 2022 13:00:29 +0000 (15:00 +0200)
committerJonathan Cameron <Jonathan.Cameron@huawei.com>
Wed, 23 Nov 2022 19:53:59 +0000 (19:53 +0000)
commit5e0176213949724fbe9a8e4a39817edce337b8a0
treedf9f62bb1b8a709d4b98381ea7399068f56ebb3ctree
parented81d3de8eacf70c96f7012e4e16257efc2e12a9commit | diff
iio: temperature: ltc2983: make bulk write buffer DMA-safe

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>
Link: https://lore.kernel.org/r/20221103130041.2153295-2-demonsingur@gmail.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
drivers/iio/temperature/ltc2983.c diff | blob | blame | history
Mirror https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git