diff options
| author | Wang Ming <machel@vivo.com> | 2023-07-26 14:57:56 +0300 |
|---|---|---|
| committer | Laurent Pinchart <laurent.pinchart@ideasonboard.com> | 2023-08-02 01:36:54 +0300 |
| commit | 55354ee7dcc5aa12634f66a12c92c849eded8de9 (patch) | |
| tree | 83dcef432b4d8984720f1f510ec74dec2a706f22 /drivers/gpu/drm/xlnx | |
| parent | 1832fba7f9780aff67c96ad30f397c2d76141833 (diff) | |
| download | linux-55354ee7dcc5aa12634f66a12c92c849eded8de9.tar.xz | |
drm: xlnx: zynqmp_dpsub: Use dev_err_probe instead of dev_err
It is possible that dma_request_chan() returns EPROBE_DEFER, in which
case the driver defers probing without printing any message. Use
dev_err_probe() to record the probe deferral cause and ease debugging.
Signed-off-by: Wang Ming <machel@vivo.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Diffstat (limited to 'drivers/gpu/drm/xlnx')
| -rw-r--r-- | drivers/gpu/drm/xlnx/zynqmp_disp.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/gpu/drm/xlnx/zynqmp_disp.c b/drivers/gpu/drm/xlnx/zynqmp_disp.c index 3b87eebddc97..68478bfb7f40 100644 --- a/drivers/gpu/drm/xlnx/zynqmp_disp.c +++ b/drivers/gpu/drm/xlnx/zynqmp_disp.c @@ -1094,8 +1094,8 @@ static int zynqmp_disp_layer_request_dma(struct zynqmp_disp *disp, "%s%u", dma_names[layer->id], i); dma->chan = dma_request_chan(disp->dev, dma_channel_name); if (IS_ERR(dma->chan)) { - dev_err(disp->dev, "failed to request dma channel\n"); - ret = PTR_ERR(dma->chan); + ret = dev_err_probe(disp->dev, PTR_ERR(dma->chan), + "failed to request dma channel\n"); dma->chan = NULL; return ret; } |