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linux-stable/drivers/dma/xilinx
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Michael Tretter 193a750df5 dmaengine: zynqmp_dma: refine dma descriptor locking 
The descriptor lists are locked for the entire tasklet that completes
the descriptors. This is not necessary, because the lock actually only
protects the descriptor lists.

Make the spin lock more fine-grained and only protect functions that
actually operate on the descriptor lists. This decreases the time when
the lock is held.

Signed-off-by: Michael Tretter <m.tretter@pengutronix.de>
Link: https://lore.kernel.org/r/20210826094742.1302009-7-m.tretter@pengutronix.de
Signed-off-by: Vinod Koul <vkoul@kernel.org>
2021-10-01 17:26:30 +05:30
..
Makefile dmaengine: xilinx: dpdma: Add the Xilinx DisplayPort DMA engine driver 2020-07-17 11:37:59 +05:30
xilinx_dma.c dmaengine: xilinx_dma: Set DMA mask for coherent APIs 2021-08-29 19:14:19 +05:30
xilinx_dpdma.c dmaengine updates for v5.14-rc1 2021-07-05 12:05:13 -07:00
zynqmp_dma.c dmaengine: zynqmp_dma: refine dma descriptor locking 2021-10-01 17:26:30 +05:30