linux-kernel - [PATCH] docs: admin-guide/perf: fix imx-ddr.rst warnings

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Date:   Sun, 20 Oct 2019 19:21:52 -0700
From:   Randy Dunlap <rdunlap@...radead.org>
To:     LKML <linux-kernel@...r.kernel.org>,
        "linux-doc@...r.kernel.org" <linux-doc@...r.kernel.org>
Cc:     Joakim Zhang <qiangqing.zhang@....com>,
        Will Deacon <will@...nel.org>, Jonathan Corbet <corbet@....net>
Subject: [PATCH] docs: admin-guide/perf: fix imx-ddr.rst warnings

From: Randy Dunlap <rdunlap@...radead.org>

Fix Sphinx warnings in imx-ddr.rst:

Documentation/admin-guide/perf/imx-ddr.rst:21: WARNING: Unexpected indentation.
Documentation/admin-guide/perf/imx-ddr.rst:34: WARNING: Unexpected indentation.
Documentation/admin-guide/perf/imx-ddr.rst:40: WARNING: Unexpected indentation.
Documentation/admin-guide/perf/imx-ddr.rst:45: WARNING: Unexpected indentation.
Documentation/admin-guide/perf/imx-ddr.rst:52: WARNING: Unexpected indentation.

Fixes: 3724e186fead ("docs/perf: Add documentation for the i.MX8 DDR PMU")
Signed-off-by: Randy Dunlap <rdunlap@...radead.org>
Cc: Joakim Zhang <qiangqing.zhang@....com>
Cc: Will Deacon <will@...nel.org>
---
 Documentation/admin-guide/perf/imx-ddr.rst |   13 ++++++++-----
 1 file changed, 8 insertions(+), 5 deletions(-)

--- lnx-54-rc4.orig/Documentation/admin-guide/perf/imx-ddr.rst
+++ lnx-54-rc4/Documentation/admin-guide/perf/imx-ddr.rst
@@ -17,8 +17,8 @@ The "format" directory describes format
 (AXI filtering) fields of the perf_event_attr structure, see /sys/bus/event_source/
 devices/imx8_ddr0/format/. The "events" directory describes the events types
 hardware supported that can be used with perf tool, see /sys/bus/event_source/
-devices/imx8_ddr0/events/.
-  e.g.::
+devices/imx8_ddr0/events/.  E.g.::
+
         perf stat -a -e imx8_ddr0/cycles/ cmd
         perf stat -a -e imx8_ddr0/read/,imx8_ddr0/write/ cmd
 
@@ -31,22 +31,25 @@ in the driver.
   Filter is defined with two configuration parts:
   --AXI_ID defines AxID matching value.
   --AXI_MASKING defines which bits of AxID are meaningful for the matching.
+
         0：corresponding bit is masked.
         1: corresponding bit is not masked, i.e. used to do the matching.
 
   AXI_ID and AXI_MASKING are mapped on DPCR1 register in performance counter.
   When non-masked bits are matching corresponding AXI_ID bits then counter is
   incremented. Perf counter is incremented if
+
           AxID && AXI_MASKING == AXI_ID && AXI_MASKING
 
   This filter doesn't support filter different AXI ID for axid-read and axid-write
-  event at the same time as this filter is shared between counters.
-  e.g.::
+  event at the same time as this filter is shared between counters.  E.g.::
+
         perf stat -a -e imx8_ddr0/axid-read,axi_mask=0xMMMM,axi_id=0xDDDD/ cmd
         perf stat -a -e imx8_ddr0/axid-write,axi_mask=0xMMMM,axi_id=0xDDDD/ cmd
 
   NOTE: axi_mask is inverted in userspace(i.e. set bits are bits to mask), and
   it will be reverted in driver automatically. so that the user can just specify
   axi_id to monitor a specific id, rather than having to specify axi_mask.
-  e.g.::
+  E.g.::
+
         perf stat -a -e imx8_ddr0/axid-read,axi_id=0x12/ cmd, which will monitor ARID=0x12