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authorJeongtae Park <jtp.park@samsung.com>2023-09-05 21:33:09 +0900
committerWill Deacon <will@kernel.org>2023-09-05 15:51:18 +0100
commit7625df9f4b255eb9d56885e25c564d7e794c6da1 (patch)
tree5f794f0b6732a78ea064fd70972a64e0e123c57f /drivers/perf
parente1df27213941725962f68c64349bbcc60ece0314 (diff)
downloadlinux-7625df9f4b255eb9d56885e25c564d7e794c6da1.tar.gz
perf: CXL: fix mismatched number of counters mask
The number of Count Units field is described as 6 bits long in the CXL 3.0 specification. However, its mask value was only declared as 5 bits long. Signed-off-by: Jeongtae Park <jtp.park@samsung.com> Acked-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> Link: https://lore.kernel.org/r/20230905123309.775854-1-jtp.park@samsung.com Signed-off-by: Will Deacon <will@kernel.org>
Diffstat (limited to 'drivers/perf')
-rw-r--r--drivers/perf/cxl_pmu.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/perf/cxl_pmu.c b/drivers/perf/cxl_pmu.c
index 0a8f597e695bc..365d964b0f6a6 100644
--- a/drivers/perf/cxl_pmu.c
+++ b/drivers/perf/cxl_pmu.c
@@ -25,7 +25,7 @@
#include "../cxl/pmu.h"
#define CXL_PMU_CAP_REG 0x0
-#define CXL_PMU_CAP_NUM_COUNTERS_MSK GENMASK_ULL(4, 0)
+#define CXL_PMU_CAP_NUM_COUNTERS_MSK GENMASK_ULL(5, 0)
#define CXL_PMU_CAP_COUNTER_WIDTH_MSK GENMASK_ULL(15, 8)
#define CXL_PMU_CAP_NUM_EVN_CAP_REG_SUP_MSK GENMASK_ULL(24, 20)
#define CXL_PMU_CAP_FILTERS_SUP_MSK GENMASK_ULL(39, 32)