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| author | Mathieu Poirier <mathieu.poirier@linaro.org> | 2016-05-03 11:33:51 -0600 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2016-05-03 14:59:30 -0700 |
| commit | 4525412a5046692abb7a0588589d8ed2c20585e0 (patch) | |
| tree | 51bdb6bd7d2ef617e6dbcc60a0fae2f0e8483a33 /drivers/hwtracing/coresight/coresight-tmc.h | |
| parent | 6c6ed1e244c0530fb76a8b52024f199f398ef100 (diff) | |
| download | lwn-4525412a5046692abb7a0588589d8ed2c20585e0.tar.gz lwn-4525412a5046692abb7a0588589d8ed2c20585e0.zip | |
coresight: tmc: making prepare/unprepare functions generic
Dealing with HW related matters in tmc_read_prepare/unprepare
becomes convoluted when many cases need to be handled distinctively.
As such moving processing related to HW setup to individual driver
files and keep the core driver generic.
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Reviewed-by: Suzuki K Poulose <suzuki.poulose@arm.com>
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.h | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/hwtracing/coresight/coresight-tmc.h b/drivers/hwtracing/coresight/coresight-tmc.h index b3017e115c4d..df661903f83c 100644 --- a/drivers/hwtracing/coresight/coresight-tmc.h +++ b/drivers/hwtracing/coresight/coresight-tmc.h @@ -127,13 +127,13 @@ void tmc_enable_hw(struct tmc_drvdata *drvdata); void tmc_disable_hw(struct tmc_drvdata *drvdata); /* ETB/ETF functions */ -void tmc_etb_enable_hw(struct tmc_drvdata *drvdata); -void tmc_etb_disable_hw(struct tmc_drvdata *drvdata); +int tmc_read_prepare_etb(struct tmc_drvdata *drvdata); +int tmc_read_unprepare_etb(struct tmc_drvdata *drvdata); extern const struct coresight_ops tmc_etb_cs_ops; extern const struct coresight_ops tmc_etf_cs_ops; /* ETR functions */ -void tmc_etr_enable_hw(struct tmc_drvdata *drvdata); -void tmc_etr_disable_hw(struct tmc_drvdata *drvdata); +int tmc_read_prepare_etr(struct tmc_drvdata *drvdata); +int tmc_read_unprepare_etr(struct tmc_drvdata *drvdata); extern const struct coresight_ops tmc_etr_cs_ops; #endif |