Searched hist:b9ac08b3 (Results 1 – 1 of 1) sorted by relevance
/openbmc/linux/drivers/iio/dac/ |
H A D | ti-dac7612.c | b9ac08b3 Sun May 08 12:56:44 CDT 2022 Jonathan Cameron <Jonathan.Cameron@huawei.com> iio: dac: ti-dac7612: Fix alignment for DMA safety
____cacheline_aligned is an insufficient guarantee for non-coherent DMA on platforms with 128 byte cachelines above L1. Switch to the updated IIO_DMA_MINALIGN definition.
Updated help text to 'may' require buffers to be in their own cacheline.
Fixes: 977724d20584 ("iio:dac:ti-dac7612: Add driver for Texas Instruments DAC7612") Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> Cc: Ricardo Ribalda <ribalda@kernel.org> Acked-by: Nuno Sá <nuno.sa@analog.com> Link: https://lore.kernel.org/r/20220508175712.647246-65-jic23@kernel.org
|