Messages in this thread | | | From | Thangaraj Samynathan <> | Subject | [PATCH v3 SPI for-next 0/3] DMA Support for SPI in PCI1xxxx | Date | Wed, 7 Feb 2024 13:36:19 +0530 |
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This series of patch is to add DMA Support that improves SPI Performance in PCI1xxxx. With DMA Support in 20MHz clock, the performance is improved from 6Mbps to 17Mbps.
v3: -Merged Tx and Rx DMA patches into one to avoid unidirectional dma. -Changed naming from DMA read and write functions to from_io and to_io to avoid confusion between DMA and SPI Controller operations.
v2: -Added can_dma operation, so that the core can do all DMA mapping and switch between, DMA and PIO operation by itself. -Added error messages for syslock acquire failure and DMA init failures.
v1: -Initial Submission
Thangaraj Samynathan (2): spi: mchp-pci1xxxx: Add support for DMA in SPI spi: mchp-pci1xxxx: DMA support for copying data to and from SPI Buf
drivers/spi/spi-pci1xxxx.c | 510 +++++++++++++++++++++++++++++++++++-- 1 file changed, 483 insertions(+), 27 deletions(-)
-- 2.25.1
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