dmaengine: xilinx: Add empty device_config function

Various DMA users call the dmaengine_slave_config() and expect it to
succeed, but that can only succeed if .device_config is implemented.
Add empty device_config function rather than patching all the places
which use dmaengine_slave_config().

Signed-off-by: Marek Vasut <[email protected]>
Cc: Akinobu Mita <[email protected]>
Cc: Kedareswara rao Appana <[email protected]>
Cc: Michal Simek <[email protected]>
Cc: Vinod Koul <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Vinod Koul <[email protected]>

0 files changed, 0 insertions, 0 deletions