Commit 2f56bace authored Jul 17, 2018 by Shaoqing Liu Committed by Gerrit - the friendly Code Review server Jul 17, 2018

Coresight: Add clean bit before evaluation in tpdm_store_dsb_edge_ctrl



Updata bit operation method of data in tpdm_store_dsb_edge_ctrl
to fix the issue that it cannot do bit clear operation.

Change-Id: I58d6353a9578dbb432a26503831d7a14a9a3be17
Signed-off-by: Shaoqing Liu <shaoqingliu@codeaurora.org>

parent dfb894c5

drivers/hwtracing/coresight/coresight-tpdm.c

+1 −0

Original line number	Diff line number	Diff line
		@@ -2993,6 +2993,7 @@ static ssize_t tpdm_store_dsb_edge_ctrl(struct device *dev,
		bit = bit * 2;

		val = drvdata->dsb->edge_ctrl[reg];
		val = val & ~BM(bit, (bit + 1));
		val = val \| (edge_ctrl << bit);
		drvdata->dsb->edge_ctrl[reg] = val;
		}