3 Commits

Author	SHA1	Message	Date
Sanjay R Mehta	e2fb2e2a33	dmaengine: ptdma: Add debugfs entries for PTDMA ... Expose data about the configuration and operation of the PTDMA through debugfs entries: device name, capabilities, configuration, statistics. Signed-off-by: Sanjay R Mehta <sanju.mehta@amd.com> Link: https://lore.kernel.org/r/1629208559-51964-4-git-send-email-Sanju.Mehta@amd.com Signed-off-by: Vinod Koul <vkoul@kernel.org>	2021-08-29 19:14:20 +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
Sanjay R Mehta	fa5d823b16	dmaengine: ptdma: Initial driver for the AMD PTDMA ... Add support for AMD PTDMA controller. It performs high-bandwidth memory to memory and IO copy operation. Device commands are managed via a circular queue of 'descriptors', each of which specifies source and destination addresses for copying a single buffer of data. Signed-off-by: Sanjay R Mehta <sanju.mehta@amd.com> Link: https://lore.kernel.org/r/1629208559-51964-2-git-send-email-Sanju.Mehta@amd.com Signed-off-by: Vinod Koul <vkoul@kernel.org>	2021-08-29 19:14:20 +05:30