3 Commits

Author	SHA1	Message	Date
Sanjay R Mehta	b6ccf01975	dmaengine: ptdma: handle the cases based on DMA is complete ... There is a need to segregate the cases when DMA is complete or not. In case if DMA is already complete there is no need to handle it again and gracefully exit from the function. Signed-off-by: Sanjay R Mehta <sanju.mehta@amd.com> Link: https://lore.kernel.org/r/1643814880-3882-3-git-send-email-Sanju.Mehta@amd.com Signed-off-by: Vinod Koul <vkoul@kernel.org>	2022-02-15 10:54:54 +05:30
Sanjay R Mehta	6fa7e0e836	dmaengine: ptdma: fix concurrency issue with multiple dma transfer ... The command should be submitted only if the engine is idle, for this, the next available descriptor is checked and set the flag to false in case the descriptor is non-empty. Signed-off-by: Sanjay R Mehta <sanju.mehta@amd.com> Link: https://lore.kernel.org/r/1643814880-3882-2-git-send-email-Sanju.Mehta@amd.com Signed-off-by: Vinod Koul <vkoul@kernel.org>	2022-02-15 10:54:54 +05:30
Sanjay R Mehta	b0b4a6b105	dmaengine: ptdma: register PTDMA controller as a DMA resource ... Register ptdma queue to Linux dmaengine framework as general-purpose DMA channels. Signed-off-by: Sanjay R Mehta <sanju.mehta@amd.com> Link: https://lore.kernel.org/r/1629208559-51964-3-git-send-email-Sanju.Mehta@amd.com Signed-off-by: Vinod Koul <vkoul@kernel.org>	2021-08-29 19:14:20 +05:30