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* iio: dac: ad7293: Fix alignment for DMA safetyJonathan Cameron2022-06-141-1/+1
| | | | | | | | | | | | ____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. Fixes: 0bb12606c05f ("iio:dac:ad7293: add support for AD7293") Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> Cc: Antoniu Miclaus <antoniu.miclaus@analog.com> Acked-by: Nuno Sá <nuno.sa@analog.com> Link: https://lore.kernel.org/r/20220508175712.647246-57-jic23@kernel.org
* iio:dac:ad7293: add support for AD7293Antoniu Miclaus2021-12-041-0/+934
The AD7293 is a Power Amplifier drain current controller containing functionality for general-purpose monitoring and control of current, voltage, and temperature, integrated into a single chip solution with an SPI-compatible interface. Datasheet: https://www.analog.com/media/en/technical-documentation/data-sheets/AD7293.pdf Signed-off-by: Antoniu Miclaus <antoniu.miclaus@analog.com> Reviewed-by: Cai Huoqing <cai.huoqing@linux.dev> Link: https://lore.kernel.org/r/20211202150819.24832-1-antoniu.miclaus@analog.com Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>