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| author |   Mike Leach <mike.leach@linaro.org> | 2021-08-18 13:40:14 -0600 |
|---|---|---|
| committer |   Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-08-18 22:33:27 +0200 |
| commit | f53e93ac8cf705fffdefe79573ce001d81c3c6fe (patch) | |
| tree | 67329675b15c3b1e04e978858475fe49a4f781fc /drivers/hwtracing/coresight/coresight-config.h | |
| parent | coresight: syscfg: Add registration and feature loading for cs devices (diff) | |
| download | linux-dev-f53e93ac8cf705fffdefe79573ce001d81c3c6fe.tar.xz linux-dev-f53e93ac8cf705fffdefe79573ce001d81c3c6fe.zip | |
coresight: config: Add configuration and feature generic functions
Adds a set of generic support functions that allow devices to set and save
features values on the device, and enable and disable configurations.
Additional functions for other common operations including feature
reset.
Link: https://lore.kernel.org/r/20210723165444.1048-4-mike.leach@linaro.org
Signed-off-by: Mike Leach <mike.leach@linaro.org>
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Link: https://lore.kernel.org/r/20210818194022.379573-4-mathieu.poirier@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/hwtracing/coresight/coresight-config.h')
| -rw-r--r-- | drivers/hwtracing/coresight/coresight-config.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/hwtracing/coresight/coresight-config.h b/drivers/hwtracing/coresight/coresight-config.h index 685fb46ce893..5a39cbbc38a4 100644 --- a/drivers/hwtracing/coresight/coresight-config.h +++ b/drivers/hwtracing/coresight/coresight-config.h @@ -237,4 +237,13 @@ struct cscfg_csdev_feat_ops { struct cscfg_feature_csdev *feat_csdev); }; +/* coresight config helper functions*/ + +/* enable / disable config on a device - called with appropriate locks set.*/ +int cscfg_csdev_enable_config(struct cscfg_config_csdev *config_csdev, int preset); +void cscfg_csdev_disable_config(struct cscfg_config_csdev *config_csdev); + +/* reset a feature to default values */ +void cscfg_reset_feat(struct cscfg_feature_csdev *feat_csdev); + #endif /* _CORESIGHT_CORESIGHT_CONFIG_H */ |