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| author |   Mian Yousaf Kaukab <ykaukab@suse.de> | 2020-09-28 10:35:10 -0600 |
|---|---|---|
| committer |   Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2020-09-28 19:47:42 +0200 |
| commit | 66af416d9dccaba7eb4efd290b9afcac71d3eeee (patch) | |
| tree | 29aead2abde32ce835ecfc80ff5b2aef47e06b51 /drivers/hwtracing/coresight/coresight-tmc-etr.c | |
| parent | coresight: cti: Allow cti to be built as a module (diff) | |
| download | linux-dev-66af416d9dccaba7eb4efd290b9afcac71d3eeee.tar.xz linux-dev-66af416d9dccaba7eb4efd290b9afcac71d3eeee.zip | |
coresight: tmc-etr: Add function to register catu ops
Make etr_catu_buf_ops static. Instead of directly accessing it in
etr_buf_ops[], add a function to let catu driver register the ops at
runtime. Break circular dependency between tmc-etr and catu drivers.
Reviewed-by: Suzuki K Poulose <suzuki.poulose@arm.com>
Signed-off-by: Mian Yousaf Kaukab <ykaukab@suse.de>
Signed-off-by: Tingwei Zhang <tingwei@codeaurora.org>
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Link: https://lore.kernel.org/r/20200928163513.70169-23-mathieu.poirier@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/hwtracing/coresight/coresight-tmc-etr.c')
| -rw-r--r-- | drivers/hwtracing/coresight/coresight-tmc-etr.c | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/drivers/hwtracing/coresight/coresight-tmc-etr.c b/drivers/hwtracing/coresight/coresight-tmc-etr.c index ad991a37e2d2..714f9e867e5f 100644 --- a/drivers/hwtracing/coresight/coresight-tmc-etr.c +++ b/drivers/hwtracing/coresight/coresight-tmc-etr.c @@ -794,10 +794,21 @@ static inline void tmc_etr_disable_catu(struct tmc_drvdata *drvdata) static const struct etr_buf_operations *etr_buf_ops[] = { [ETR_MODE_FLAT] = &etr_flat_buf_ops, [ETR_MODE_ETR_SG] = &etr_sg_buf_ops, - [ETR_MODE_CATU] = IS_ENABLED(CONFIG_CORESIGHT_CATU) - ? &etr_catu_buf_ops : NULL, + [ETR_MODE_CATU] = NULL, }; +void tmc_etr_set_catu_ops(const struct etr_buf_operations *catu) +{ + etr_buf_ops[ETR_MODE_CATU] = catu; +} +EXPORT_SYMBOL_GPL(tmc_etr_set_catu_ops); + +void tmc_etr_remove_catu_ops(void) +{ + etr_buf_ops[ETR_MODE_CATU] = NULL; +} +EXPORT_SYMBOL_GPL(tmc_etr_remove_catu_ops); + static inline int tmc_etr_mode_alloc_buf(int mode, struct tmc_drvdata *drvdata, struct etr_buf *etr_buf, int node, |