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| author |   Suzuki K Poulose <suzuki.poulose@arm.com> | 2021-02-01 11:13:35 -0700 |
|---|---|---|
| committer |   Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-02-04 17:00:33 +0100 |
| commit | d02dfac3431f3889ef05190709fa83c2e4ebb229 (patch) | |
| tree | 02f842dd6b0623b35dbea15cb73531b3da6e89a8 /drivers/hwtracing/coresight/coresight-etm4x-core.c | |
| parent | coresight: etm4x: Hide sysfs attributes for unavailable registers (diff) | |
| download | linux-dev-d02dfac3431f3889ef05190709fa83c2e4ebb229.tar.xz linux-dev-d02dfac3431f3889ef05190709fa83c2e4ebb229.zip | |
coresight: etm4x: Define DEVARCH register fields
Define the fields of the DEVARCH register for identifying
a component as an ETMv4.x unit. Going forward, we use the
DEVARCH register for the component identification, rather
than the TRCIDR3.
Link: https://lore.kernel.org/r/20210110224850.1880240-14-suzuki.poulose@arm.com
Cc: Mike Leach <mike.leach@linaro.org>
Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com>
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Link: https://lore.kernel.org/r/20210201181351.1475223-16-mathieu.poirier@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/hwtracing/coresight/coresight-etm4x-core.c')
| -rw-r--r-- | drivers/hwtracing/coresight/coresight-etm4x-core.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/hwtracing/coresight/coresight-etm4x-core.c b/drivers/hwtracing/coresight/coresight-etm4x-core.c index 37f90d380436..04ec13ae22d0 100644 --- a/drivers/hwtracing/coresight/coresight-etm4x-core.c +++ b/drivers/hwtracing/coresight/coresight-etm4x-core.c @@ -1720,8 +1720,8 @@ static int etm4_probe(struct amba_device *adev, const struct amba_id *id) static struct amba_cs_uci_id uci_id_etm4[] = { { /* ETMv4 UCI data */ - .devarch = 0x47704a13, - .devarch_mask = 0xfff0ffff, + .devarch = ETM_DEVARCH_ETMv4x_ARCH, + .devarch_mask = ETM_DEVARCH_ID_MASK, .devtype = 0x00000013, } }; |