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authorLinus Torvalds <torvalds@linux-foundation.org>2022-10-08 18:56:37 +0300
committerLinus Torvalds <torvalds@linux-foundation.org>2022-10-08 18:56:37 +0300
commita09476668e3016ea4a7b0a7ebd02f44e0546c12c (patch)
tree0a2e435d40b1785bc3df0c455fbf858adc28d36c /Documentation/trace/coresight/coresight-etm4x-reference.rst
parente8bc52cb8df80c31c73c726ab58ea9746e9ff734 (diff)
parent7cd04013fbf3e6dcb67ca6b59aa813269a2ad9ce (diff)
downloadlinux-a09476668e3016ea4a7b0a7ebd02f44e0546c12c.tar.xz
Merge tag 'char-misc-6.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char/misc and other driver updates from Greg KH: "Here is the large set of char/misc and other small driver subsystem changes for 6.1-rc1. Loads of different things in here: - IIO driver updates, additions, and changes. Probably the largest part of the diffstat - habanalabs driver update with support for new hardware and features, the second largest part of the diff. - fpga subsystem driver updates and additions - mhi subsystem updates - Coresight driver updates - gnss subsystem updates - extcon driver updates - icc subsystem updates - fsi subsystem updates - nvmem subsystem and driver updates - misc driver updates - speakup driver additions for new features - lots of tiny driver updates and cleanups All of these have been in the linux-next tree for a while with no reported issues" * tag 'char-misc-6.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (411 commits) w1: Split memcpy() of struct cn_msg flexible array spmi: pmic-arb: increase SPMI transaction timeout delay spmi: pmic-arb: block access for invalid PMIC arbiter v5 SPMI writes spmi: pmic-arb: correct duplicate APID to PPID mapping logic spmi: pmic-arb: add support to dispatch interrupt based on IRQ status spmi: pmic-arb: check apid against limits before calling irq handler spmi: pmic-arb: do not ack and clear peripheral interrupts in cleanup_irq spmi: pmic-arb: handle spurious interrupt spmi: pmic-arb: add a print in cleanup_irq drivers: spmi: Directly use ida_alloc()/free() MAINTAINERS: add TI ECAP driver info counter: ti-ecap-capture: capture driver support for ECAP Documentation: ABI: sysfs-bus-counter: add frequency & num_overflows items dt-bindings: counter: add ti,am62-ecap-capture.yaml counter: Introduce the COUNTER_COMP_ARRAY component type counter: Consolidate Counter extension sysfs attribute creation counter: Introduce the Count capture component counter: 104-quad-8: Add Signal polarity component counter: Introduce the Signal polarity component counter: interrupt-cnt: Implement watch_validate callback ...
Diffstat (limited to 'Documentation/trace/coresight/coresight-etm4x-reference.rst')
-rw-r--r--Documentation/trace/coresight/coresight-etm4x-reference.rst14
1 files changed, 14 insertions, 0 deletions
diff --git a/Documentation/trace/coresight/coresight-etm4x-reference.rst b/Documentation/trace/coresight/coresight-etm4x-reference.rst
index fb7578fd9372..70e34b8c81c1 100644
--- a/Documentation/trace/coresight/coresight-etm4x-reference.rst
+++ b/Documentation/trace/coresight/coresight-etm4x-reference.rst
@@ -71,6 +71,20 @@ the ‘TRC’ prefix.
----
+:File: ``ts_source`` (ro)
+:Trace Registers: None.
+:Notes:
+ When FEAT_TRF is implemented, value of TRFCR_ELx.TS used for trace session. Otherwise -1
+ indicates an unknown time source. Check trcidr0.tssize to see if a global timestamp is
+ available.
+
+:Example:
+ ``$> cat ts_source``
+
+ ``$> 1``
+
+----
+
:File: ``addr_idx`` (rw)
:Trace Registers: None.
:Notes: