coresight: tpda: add sysfs node to flush specific port

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Setting bit i in the TPDA_FLUSH_CR register initiates a flush request
for port i, forcing the data to synchronize and be transmitted to the
sink device.

Signed-off-by: Tao Zhang <tao.zhang@oss.qualcomm.com>
Reviewed-by: James Clark <james.clark@linaro.org>
Co-developed-by: Jie Gan <jie.gan@oss.qualcomm.com>
Signed-off-by: Jie Gan <jie.gan@oss.qualcomm.com>
[ Fix kernel version in Documentation ]
Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com>
Link: https://lore.kernel.org/r/20251223-add_sysfs_nodes_to_configure_tpda-v8-4-4c95db608b62@oss.qualcomm.com

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Tao Zhang 2025-12-23 18:09:53 +08:00 • committed by Suzuki K Poulose

parent 33f04ead7c

commit a089d585a7

3 changed files with 49 additions and 0 deletions

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8

Documentation/ABI/testing/sysfs-bus-coresight-devices-tpda

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40

drivers/hwtracing/coresight/coresight-tpda.c

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1

drivers/hwtracing/coresight/coresight-tpda.h

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