linux-stable/drivers/dma/xilinx
Marc Ferland 0ba2df09f1 dmaengine: xilinx_dma: use readl_poll_timeout_atomic variant
The xilinx_dma_poll_timeout macro is sometimes called while holding a
spinlock (see xilinx_dma_issue_pending() for an example) this means we
shouldn't sleep when polling the dma channel registers. To address it
in xilinx poll timeout macro use readl_poll_timeout_atomic instead of
readl_poll_timeout variant.

Signed-off-by: Marc Ferland <ferlandm@amotus.ca>
Signed-off-by: Radhey Shyam Pandey <radhey.shyam.pandey@xilinx.com>
Link: https://lore.kernel.org/r/1604473206-32573-2-git-send-email-radhey.shyam.pandey@xilinx.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
2020-11-09 17:54:22 +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: use readl_poll_timeout_atomic variant 2020-11-09 17:54:22 +05:30
xilinx_dpdma.c dmaengine: xilinx: dpdma: convert tasklets to use new tasklet_setup() API 2020-10-07 15:22:09 +05:30
zynqmp_dma.c dmaengine: zynqmp_dma: fix kernel-doc style for tasklet 2020-10-08 15:18:46 +05:30