If OCMEM is declared in DT, it is expected that it is present and
handled by the driver. The GPU driver will ignore -ENODEV error, which
typically means that OCMEM isn't defined in DT. Let ocmem return
-EPROBE_DEFER if it supposed to be used, but it is not probed (yet).
Fixes: 88c1e9404f1d ("soc: qcom: add OCMEM driver")
Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
---
drivers/soc/qcom/ocmem.c | 7 +++----
1 file changed, 3 insertions(+), 4 deletions(-)
diff --git a/drivers/soc/qcom/ocmem.c b/drivers/soc/qcom/ocmem.c
index d47ce5707fd8..96ca0b87bfc4 100644
--- a/drivers/soc/qcom/ocmem.c
+++ b/drivers/soc/qcom/ocmem.c
@@ -203,10 +203,9 @@ struct ocmem *of_get_ocmem(struct device *dev)
ocmem = platform_get_drvdata(pdev);
put_device(&pdev->dev);
- if (!ocmem) {
- dev_err(dev, "Cannot get ocmem\n");
- return ERR_PTR(-ENODEV);
- }
+ if (!ocmem)
+ return dev_err_ptr_probe(dev, -EPROBE_DEFER, "Cannot get ocmem\n");
+
return ocmem;
}
EXPORT_SYMBOL_GPL(of_get_ocmem);
--
2.47.3