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Commit 08096e53 authored by Steve Clevenger's avatar Steve Clevenger Committed by Greg Kroah-Hartman
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coresight-etm4: Fix for() loop drvdata->nr_addr_cmp range bug 



commit bf84937e882009075f57fd213836256fc65d96bc upstream.

In etm4_enable_hw, fix for() loop range to represent address comparator pairs.

Fixes: 2e1cdfe1 ("coresight-etm4x: Adding CoreSight ETM4x driver")
Cc: stable@vger.kernel.org
Signed-off-by: default avatarSteve Clevenger <scclevenger@os.amperecomputing.com>
Reviewed-by: default avatarJames Clark <james.clark@arm.com>
Signed-off-by: default avatarSuzuki K Poulose <suzuki.poulose@arm.com>
Link: https://lore.kernel.org/r/4a4ee61ce8ef402615a4528b21a051de3444fb7b.1677540079.git.scclevenger@os.amperecomputing.com


Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 8e39a623

drivers/hwtracing/coresight/coresight-etm4x.c

+1 −1
Original line number Diff line number Diff line
@@ -143,7 +143,7 @@ static void etm4_enable_hw(void *info) 
		writel_relaxed(config->ss_pe_cmp[i],

			       drvdata->base + TRCSSPCICRn(i));

	}

	for (i = 0; i < drvdata->nr_addr_cmp; i++) {

	for (i = 0; i < drvdata->nr_addr_cmp * 2; i++) {

		writeq_relaxed(config->addr_val[i],

			       drvdata->base + TRCACVRn(i));

		writeq_relaxed(config->addr_acc[i],