raspi/linux
1
0
Fork 1
mirror of https://github.com/raspberrypi/linux.git synced 2025-12-07 18:40:10 +00:00
Code Issues Projects Releases Wiki Activity

staging: vc04_services: vc-sm-cma: Explicitly set DMA mask

Browse Source 
The platform model originally handled the DMA mask. Now that
we are on the vchiq_bus we need to explicitly set this.

Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
This commit is contained in:
Kieran Bingham
2024-06-06 16:38:02 +01:00
committed by Dom Cobley
parent 62fa016a3b
commit c536f73d12
1 changed files with 9 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

9
drivers/staging/vc04_services/vc-sm-cma/vc_sm.c
View File

@@ -1477,8 +1477,17 @@ err_remove_debugfs:
/* Driver loading. */ /* Driver loading. */
static int bcm2835_vc_sm_cma_probe(struct vchiq_device *device) static int bcm2835_vc_sm_cma_probe(struct vchiq_device *device)
{ {
int err;
pr_info("%s: Videocore shared memory driver\n", __func__); pr_info("%s: Videocore shared memory driver\n", __func__);
err = dma_set_mask_and_coherent(&device->dev, DMA_BIT_MASK(32));
if (err) {
dev_err(&device->dev, "dma_set_mask_and_coherent failed: %d\n",
err);
return err;
}
sm_state = devm_kzalloc(&device->dev, sizeof(*sm_state), GFP_KERNEL); sm_state = devm_kzalloc(&device->dev, sizeof(*sm_state), GFP_KERNEL);
if (!sm_state) if (!sm_state)
return -ENOMEM; return -ENOMEM;