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Commit ccc854ca authored Feb 14, 2022 by Srinivasarao Pathipati

dma-buf: suppress warnings for direct dma clients



Client with direct dma will have multiple dma buffer segments.
Warning is raised as partial cmo only supported with one segment.
Suppress these warnings as this is known limitation.

Change-Id: Ie534b2b11121e60bf87f671b14ea1b1fd57633af
Signed-off-by: Srinivasarao Pathipati <quic_spathi@quicinc.com>

parent 9aac0330

drivers/soc/qcom/mem_buf_dma_buf.c

+5 −3

Original line number	Original line	Diff line number	Diff line
	@@ -360,9 +360,11 @@ static int mem_buf_sgl_sync_range(struct device dev, struct scatterlist sgl,
	break;		break;

	if (i > 0) {		if (i > 0) {
			if (get_dma_ops(dev)) {
	pr_warn_ratelimited("Partial cmo only supported with 1 segment\n"		pr_warn_ratelimited("Partial cmo only supported with 1 segment\n"
	"is dma_set_max_seg_size being set on dev:%s\n",		"is dma_set_max_seg_size being set on dev:%s\n",
	dev_name(dev));		dev_name(dev));
			}
	return -EINVAL;		return -EINVAL;
	}		}
	}		}

drivers/staging/android/ion/heaps/msm_ion_dma_buf.c

+5 −3

Original line number	Original line	Diff line number	Diff line
	@@ -500,9 +500,11 @@ static int ion_sgl_sync_range(struct device dev, struct scatterlist sgl,
	break;		break;

	if (i > 0) {		if (i > 0) {
			if (get_dma_ops(dev)) {
	pr_warn_ratelimited("Partial cmo only supported with 1 segment\n"		pr_warn_ratelimited("Partial cmo only supported with 1 segment\n"
	"is dma_set_max_seg_size being set on dev:%s\n",		"is dma_set_max_seg_size being set on dev:%s\n",
	dev_name(dev));		dev_name(dev));
			}
	return -EINVAL;		return -EINVAL;
	}		}
	}		}