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authorSuzuki K Poulose <suzuki.poulose@arm.com>2019-08-29 23:28:30 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2019-09-03 23:01:15 +0300
commitf52ff9b7d64953b9a1a03faaf797d23b5c1d10d0 (patch)
tree782486bba53e6d3f086412af536acb82a93a69a7 /drivers/hwtracing/coresight/coresight-tmc.h
parent5774a34fc802dbec0c1e7afd0c6737a0233e64ec (diff)
downloadlinux-f52ff9b7d64953b9a1a03faaf797d23b5c1d10d0.tar.xz
coresight: tmc-etr: Handle memory errors
We have so far ignored the memory errors, assuming that we have perfect hardware and driver. Let us handle the memory errors reported by the TMC ETR in status and truncate the buffer. Cc: Mathieu Poirier <mathieu.poirier@linaro.org> Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com> [Removed ASCII smiley face from changelog] Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org> Link: https://lore.kernel.org/r/20190829202842.580-6-mathieu.poirier@linaro.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/hwtracing/coresight/coresight-tmc.h')
-rw-r--r--drivers/hwtracing/coresight/coresight-tmc.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/hwtracing/coresight/coresight-tmc.h b/drivers/hwtracing/coresight/coresight-tmc.h
index 1ed50411cc3c..95d2e2747970 100644
--- a/drivers/hwtracing/coresight/coresight-tmc.h
+++ b/drivers/hwtracing/coresight/coresight-tmc.h
@@ -47,6 +47,7 @@
#define TMC_STS_TMCREADY_BIT 2
#define TMC_STS_FULL BIT(0)
#define TMC_STS_TRIGGERED BIT(1)
+#define TMC_STS_MEMERR BIT(5)
/*
* TMC_AXICTL - 0x110
*