kernel.git/drivers/iio/dac, branch linux-5.19.y

iio: dac: ad5593r: Fix i2c read protocol requirements

2022-10-24T07:56:41Z

commit 558a25f903b4af6361b7fbeea08a6446a0745653 upstream. For reliable operation across the full range of supported interface rates, the AD5593R needs a STOP condition between address write, and data read (like show in the datasheet Figure 40) so in turn i2c_smbus_read_word_swapped cannot be used. While at it, a simple helper was added to make the code simpler. Fixes: 56ca9db862bf ("iio: dac: Add support for the AD5592R/AD5593R ADCs/DACs") Signed-off-by: Michael Hennerich Signed-off-by: Nuno Sá Cc: Link: https://lore.kernel.org/r/20220913073413.140475-2-nuno.sa@analog.com Signed-off-by: Jonathan Cameron Signed-off-by: Greg Kroah-Hartman

iio: dac: ti-dac7612: Fix alignment for DMA safety

2022-08-17T13:15:16Z

[ Upstream commit b9ac08b3282a95fcefb057c2886028a6807725d8 ] ____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 Cc: Ricardo Ribalda Acked-by: Nuno Sá Link: https://lore.kernel.org/r/20220508175712.647246-65-jic23@kernel.org Signed-off-by: Sasha Levin

iio: dac: ti-dac7311: Fix alignment for DMA safety

2022-08-17T13:15:16Z

[ Upstream commit 3637c49ed54632d7c221af718d2d7b1d381d4b6e ] ____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: 7a02ef7907d8 ("iio:dac:ti-dac7311 Add driver for Texas Instrument DAC7311") Signed-off-by: Jonathan Cameron Cc: Charles-Antoine Couret Acked-by: Nuno Sá Link: https://lore.kernel.org/r/20220508175712.647246-64-jic23@kernel.org Signed-off-by: Sasha Levin

iio: dac: ti-dac5571: Fix alignment for DMA safety

2022-08-17T13:15:16Z

[ Upstream commit 58e22371539e01c742be5c30295f591a6a17e348 ] ____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: df38a4a72a3b ("iio: dac: add TI DAC5571 family support") Signed-off-by: Jonathan Cameron Cc: Sean Nyekjaer Acked-by: Nuno Sá Link: https://lore.kernel.org/r/20220508175712.647246-63-jic23@kernel.org Signed-off-by: Sasha Levin

iio: dac: ti-dac082s085: Fix alignment for DMA safety

2022-08-17T13:15:15Z

[ Upstream commit 03a0cc77f164e4e59b970d50c6e9a6caf06dae80 ] ____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: 61011264c1af ("iio: dac: Add Texas Instruments 8/10/12-bit 2/4-channel DAC driver") Signed-off-by: Jonathan Cameron Acked-by: Nuno Sá Link: https://lore.kernel.org/r/20220508175712.647246-62-jic23@kernel.org Signed-off-by: Sasha Levin

iio: dac: mcp4922: Fix alignment for DMA safety

2022-08-17T13:15:15Z

[ Upstream commit e66bf04797f1f95a2402414c00e64d00f63d31ec ] ____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: 1b791fadf3a1 ("iio: dac: mcp4902/mcp4912/mcp4922 dac driver") Signed-off-by: Jonathan Cameron Acked-by: Nuno Sá Acked-by: Michael Welling Link: https://lore.kernel.org/r/20220508175712.647246-61-jic23@kernel.org Signed-off-by: Sasha Levin

iio: dac: ltc2688: Fix alignment for DMA safety

2022-08-17T13:15:15Z

[ Upstream commit 2030708377a219b548a9a36da57d3852382baf1d ] ____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. Update the comment to include 'may'. Fixes: 832cb9eeb931 ("iio: dac: add support for ltc2688") Signed-off-by: Jonathan Cameron Acked-by: Nuno Sá Link: https://lore.kernel.org/r/20220508175712.647246-60-jic23@kernel.org Signed-off-by: Sasha Levin

iio: dac: ad8801: Fix alignment for DMA safety

2022-08-17T13:15:15Z

[ Upstream commit 1c20292c6b60cfc60a5e652174b8063e5cc03fec ] ____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: 7f270bc9a2d9 ("iio: dac: AD8801: add Analog Devices AD8801/AD8803 support") Signed-off-by: Jonathan Cameron Acked-by: Nuno Sá Link: https://lore.kernel.org/r/20220508175712.647246-59-jic23@kernel.org Signed-off-by: Sasha Levin

iio: dac: ad7303: Fix alignment for DMA safety

2022-08-17T13:15:15Z

[ Upstream commit 69e51448ddfb9062efdf83e2d3179498e0aeb293 ] ____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. Update the comment to include 'may'. Fixes: f83478240e74 ("iio:dac: Add support for the AD7303") Signed-off-by: Jonathan Cameron Acked-by: Nuno Sá Link: https://lore.kernel.org/r/20220508175712.647246-58-jic23@kernel.org Signed-off-by: Sasha Levin

iio: dac: ad7293: Fix alignment for DMA safety

2022-08-17T13:15:15Z

[ Upstream commit 8482468b30bdb16d4a764f995d7a63d94fa0cf40 ] ____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 Cc: Antoniu Miclaus Acked-by: Nuno Sá Link: https://lore.kernel.org/r/20220508175712.647246-57-jic23@kernel.org Signed-off-by: Sasha Levin