dmaengine: Remove the need to declare device_control

In order to migrate the drivers without triggering a BUG_ON for the converted
drivers, which would cause bisectability issues, we need to remove that check
before removing the device_control function entirely.

Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>

diff --git a/drivers/dma/dmaengine.c b/drivers/dma/dmaengine.c
index b7f09f63a1600f94b14f52a617413dbca2165568..cae120994d8fd3284510f76506f1ad1b4ed7235c 100644 (file)
--- a/drivers/dma/dmaengine.c
+++ b/drivers/dma/dmaengine.c
@@ -819,8 +819,6 @@ int dma_async_device_register(struct dma_device *device)
                !device->device_prep_dma_sg);
        BUG_ON(dma_has_cap(DMA_CYCLIC, device->cap_mask) &&
                !device->device_prep_dma_cyclic);
-       BUG_ON(dma_has_cap(DMA_SLAVE, device->cap_mask) &&
-               !device->device_control);
        BUG_ON(dma_has_cap(DMA_INTERLEAVE, device->cap_mask) &&
                !device->device_prep_interleaved_dma);