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linux-next/drivers/hwtracing/coresight
Leo Yan e7753f3937 coresight: tmc: Fix byte-address alignment for RRP
>From the comment in the code, it claims the requirement for byte-address
alignment for RRP register: 'for 32-bit, 64-bit and 128-bit wide trace
memory, the four LSBs must be 0s. For 256-bit wide trace memory, the
five LSBs must be 0s'.  This isn't consistent with the program, the
program sets five LSBs as zeros for 32/64/128-bit wide trace memory and
set six LSBs zeros for 256-bit wide trace memory.

After checking with the CoreSight Trace Memory Controller technical
reference manual (ARM DDI 0461B, section 3.3.4 RAM Read Pointer
Register), it proves the comment is right and the program does wrong
setting.

This patch fixes byte-address alignment for RRP by following correct
definition in the technical reference manual.

Cc: Mathieu Poirier <mathieu.poirier@linaro.org>
Cc: Mike Leach <mike.leach@linaro.org>
Signed-off-by: Leo Yan <leo.yan@linaro.org>
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-09-25 20:09:18 +02:00
..
coresight-catu.c coresight: catu: Plug in CATU as a backend for ETR buffer 2018-07-15 13:52:59 +02:00
coresight-catu.h coresight: catu: Plug in CATU as a backend for ETR buffer 2018-07-15 13:52:59 +02:00
coresight-cpu-debug.c coresight: Remove %px for printing pcsr value 2018-05-14 16:20:00 +02:00
coresight-dynamic-replicator.c coresight: Convert driver messages to dev_dbg 2018-09-25 20:09:17 +02:00
coresight-etb10.c coresight: etb10: Splitting function etb_enable() 2018-09-25 20:09:18 +02:00
coresight-etm3x-sysfs.c coresight: etm3x: Don't use contextID with PID namespaces 2018-07-15 13:52:56 +02:00
coresight-etm3x.c coresight: Convert driver messages to dev_dbg 2018-09-25 20:09:17 +02:00
coresight-etm4x-sysfs.c coresight: etm4x: Don't use contextID with PID namespaces 2018-07-15 13:52:56 +02:00
coresight-etm4x.c coresight: etm4x: Configure EL2 exception level when kernel is running in HYP 2018-09-25 20:09:18 +02:00
coresight-etm4x.h coresight: etm4x: Don't use contextID with PID namespaces 2018-07-15 13:52:56 +02:00
coresight-etm-cp14.c coresight: Moving framework and drivers to SPDX identifier 2018-05-14 16:19:59 +02:00
coresight-etm-perf.c coresight: perf: Remove set_buffer call back 2018-09-25 20:09:18 +02:00
coresight-etm-perf.h coresight: perf: Add helper to retrieve sink configuration 2018-09-25 20:09:18 +02:00
coresight-etm.h coresight: etm3x: Don't use contextID with PID namespaces 2018-07-15 13:52:56 +02:00
coresight-funnel.c coresight: Convert driver messages to dev_dbg 2018-09-25 20:09:17 +02:00
coresight-priv.h coresight: perf: Remove set_buffer call back 2018-09-25 20:09:18 +02:00
coresight-replicator.c coresight: Convert driver messages to dev_dbg 2018-09-25 20:09:17 +02:00
coresight-stm.c coresight: Convert driver messages to dev_dbg 2018-09-25 20:09:17 +02:00
coresight-tmc-etf.c coresight: tmc: Fix byte-address alignment for RRP 2018-09-25 20:09:18 +02:00
coresight-tmc-etr.c coresight: etm-perf: Add support for ETR backend 2018-09-25 20:09:18 +02:00
coresight-tmc.c coresight: Convert driver messages to dev_dbg 2018-09-25 20:09:17 +02:00
coresight-tmc.h coresight: etm-perf: Add support for ETR backend 2018-09-25 20:09:18 +02:00
coresight-tpiu.c coresight: perf: Remove set_buffer call back 2018-09-25 20:09:18 +02:00
coresight.c coresight: perf: Remove set_buffer call back 2018-09-25 20:09:18 +02:00
Kconfig coresight: Introduce support for Coresight Address Translation Unit 2018-07-15 13:52:58 +02:00
Makefile coresight: Introduce support for Coresight Address Translation Unit 2018-07-15 13:52:58 +02:00
of_coresight.c coresight: Cleanup coresight DT bindings 2018-09-25 20:09:17 +02:00