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Groups > linux.kernel > #1679032
| From | Mathieu Poirier <mathieu.poirier@linaro.org> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | [PATCH 4/5] coresight: etb10: Move etb_disable_hw() outside of lock |
| Date | 2017-06-30 19:50 +0200 |
| Message-ID | <tY8dj-8qS-7@gated-at.bofh.it> (permalink) |
| References | <tY8dj-8qS-1@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
Function etb_disable_hw() is already taking care of unlocking and locking the coresight access register and as such doesn't need to be placed within the unlock/lock of function etb_update_buffer(). Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org> --- drivers/hwtracing/coresight/coresight-etb10.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/hwtracing/coresight/coresight-etb10.c b/drivers/hwtracing/coresight/coresight-etb10.c index 42360306f049..d0d186575c5d 100644 --- a/drivers/hwtracing/coresight/coresight-etb10.c +++ b/drivers/hwtracing/coresight/coresight-etb10.c @@ -376,8 +376,8 @@ static void etb_update_buffer(struct coresight_device *csdev, capacity = drvdata->buffer_depth * ETB_FRAME_SIZE_WORDS; - CS_UNLOCK(drvdata->base); etb_disable_hw(drvdata); + CS_UNLOCK(drvdata->base); /* unit is in words, not bytes */ read_ptr = readl_relaxed(drvdata->base + ETB_RAM_READ_POINTER); -- 2.7.4
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[PATCH 0/5] coresight: Miscellaneous fixes Mathieu Poirier <mathieu.poirier@linaro.org> - 2017-06-30 19:50 +0200 [PATCH 5/5] coresight: etm3x: Set synchronisation frequencty to TRM default Mathieu Poirier <mathieu.poirier@linaro.org> - 2017-06-30 19:50 +0200 [PATCH 4/5] coresight: etb10: Move etb_disable_hw() outside of lock Mathieu Poirier <mathieu.poirier@linaro.org> - 2017-06-30 19:50 +0200 [PATCH 3/5] coresight: Add barrier packet for synchronisation Mathieu Poirier <mathieu.poirier@linaro.org> - 2017-06-30 19:50 +0200 [PATCH 2/5] coresight: etb10: Remove useless conversion to LE Mathieu Poirier <mathieu.poirier@linaro.org> - 2017-06-30 19:50 +0200 [PATCH 1/5] coresight: Correct buffer lost increment Mathieu Poirier <mathieu.poirier@linaro.org> - 2017-06-30 19:50 +0200
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