Message-Id: <10bb7a4443cb9c6e0a85f753b5ac5256d14c17f3.1555382110.git.mchehab+samsung@kernel.org>
Date:   Mon, 15 Apr 2019 23:56:13 -0300
From:   Mauro Carvalho Chehab <mchehab+samsung@...nel.org>
To:     Linux Doc Mailing List <linux-doc@...r.kernel.org>
Cc:     Mauro Carvalho Chehab <mchehab+samsung@...nel.org>,
        Mauro Carvalho Chehab <mchehab@...radead.org>,
        linux-kernel@...r.kernel.org, Jonathan Corbet <corbet@....net>
Subject: [PATCH 48/57] docs: pti_intel_mid.txt: convert to ReST

Convert this small file to ReST format.

Most of the conversion were related to adjusting whitespaces
in order for each section to be properly parsed.

Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@...nel.org>
---
 Documentation/pti/pti_intel_mid.txt | 135 ++++++++++++++--------------
 1 file changed, 70 insertions(+), 65 deletions(-)

diff --git a/Documentation/pti/pti_intel_mid.txt b/Documentation/pti/pti_intel_mid.txt
index e7a5b6d1f7a9..a674317790ba 100644
--- a/Documentation/pti/pti_intel_mid.txt
+++ b/Documentation/pti/pti_intel_mid.txt
@@ -1,13 +1,17 @@
+=============
+Intel MID PTI
+=============
+
 The Intel MID PTI project is HW implemented in Intel Atom
 system-on-a-chip designs based on the Parallel Trace
 Interface for MIPI P1149.7 cJTAG standard.  The kernel solution
-for this platform involves the following files:
+for this platform involves the following files::
 
-./include/linux/pti.h
-./drivers/.../n_tracesink.h
-./drivers/.../n_tracerouter.c
-./drivers/.../n_tracesink.c
-./drivers/.../pti.c
+	./include/linux/pti.h
+	./drivers/.../n_tracesink.h
+	./drivers/.../n_tracerouter.c
+	./drivers/.../n_tracesink.c
+	./drivers/.../pti.c
 
 pti.c is the driver that enables various debugging features
 popular on platforms from certain mobile manufacturers.
@@ -24,13 +28,14 @@ kernel->user->kernel context switch overheads of routing
 data).
 
 An example debugging usage for this driver system:
-   *Hook /dev/ttyPTI0 to syslogd.  Opening this port will also start
+
+  * Hook /dev/ttyPTI0 to syslogd.  Opening this port will also start
     a console device to further capture debugging messages to PTI.
-   *Hook /dev/ttyPTI1 to modem debugging data to write to PTI HW.
+  * Hook /dev/ttyPTI1 to modem debugging data to write to PTI HW.
     This is where n_tracerouter and n_tracesink are used.
-   *Hook /dev/pti to a user-level debugging application for writing
+  * Hook /dev/pti to a user-level debugging application for writing
     to PTI HW.
-   *Use mipi_* Kernel Driver API in other device drivers for
+  * `Use mipi_` Kernel Driver API in other device drivers for
     debugging to PTI by first requesting a PTI write address via
     mipi_request_masterchannel(1).
 
@@ -42,58 +47,58 @@ but is not just blindly executing as 'root'. Keep in mind
 the use of ioctl(,TIOCSETD,) is not specific to the n_tracerouter
 and n_tracesink line discpline drivers but is a generic
 operation for a program to use a line discpline driver
-on a tty port other than the default n_tty.
-
-/////////// To hook up n_tracerouter and n_tracesink /////////
-
-// Note that n_tracerouter depends on n_tracesink.
-#include <errno.h>
-#define ONE_TTY "/dev/ttyOne"
-#define TWO_TTY "/dev/ttyTwo"
-
-// needed global to hand onto ldisc connection
-static int g_fd_source = -1;
-static int g_fd_sink  = -1;
-
-// these two vars used to grab LDISC values from loaded ldisc drivers
-// in OS.  Look at /proc/tty/ldiscs to get the right numbers from
-// the ldiscs loaded in the system.
-int source_ldisc_num, sink_ldisc_num = -1;
-int retval;
-
-g_fd_source = open(ONE_TTY, O_RDWR); // must be R/W
-g_fd_sink   = open(TWO_TTY, O_RDWR); // must be R/W
-
-if (g_fd_source <= 0) || (g_fd_sink <= 0) {
-   // doubt you'll want to use these exact error lines of code
-   printf("Error on open(). errno: %d\n",errno);
-   return errno;
-}
-
-retval = ioctl(g_fd_sink, TIOCSETD, &sink_ldisc_num);
-if (retval < 0) {
-   printf("Error on ioctl().  errno: %d\n", errno);
-   return errno;
-}
-
-retval = ioctl(g_fd_source, TIOCSETD, &source_ldisc_num);
-if (retval < 0) {
-   printf("Error on ioctl().  errno: %d\n", errno);
-   return errno;
-}
-
-/////////// To disconnect n_tracerouter and n_tracesink ////////
-
-// First make sure data through the ldiscs has stopped.
-
-// Second, disconnect ldiscs.  This provides a
-// little cleaner shutdown on tty stack.
-sink_ldisc_num = 0;
-source_ldisc_num = 0;
-ioctl(g_fd_uart, TIOCSETD, &sink_ldisc_num);
-ioctl(g_fd_gadget, TIOCSETD, &source_ldisc_num);
-
-// Three, program closes connection, and cleanup:
-close(g_fd_uart);
-close(g_fd_gadget);
-g_fd_uart = g_fd_gadget = NULL;
+on a tty port other than the default n_tty::
+
+  /////////// To hook up n_tracerouter and n_tracesink /////////
+
+  // Note that n_tracerouter depends on n_tracesink.
+  #include <errno.h>
+  #define ONE_TTY "/dev/ttyOne"
+  #define TWO_TTY "/dev/ttyTwo"
+
+  // needed global to hand onto ldisc connection
+  static int g_fd_source = -1;
+  static int g_fd_sink  = -1;
+
+  // these two vars used to grab LDISC values from loaded ldisc drivers
+  // in OS.  Look at /proc/tty/ldiscs to get the right numbers from
+  // the ldiscs loaded in the system.
+  int source_ldisc_num, sink_ldisc_num = -1;
+  int retval;
+
+  g_fd_source = open(ONE_TTY, O_RDWR); // must be R/W
+  g_fd_sink   = open(TWO_TTY, O_RDWR); // must be R/W
+
+  if (g_fd_source <= 0) || (g_fd_sink <= 0) {
+     // doubt you'll want to use these exact error lines of code
+     printf("Error on open(). errno: %d\n",errno);
+     return errno;
+  }
+
+  retval = ioctl(g_fd_sink, TIOCSETD, &sink_ldisc_num);
+  if (retval < 0) {
+     printf("Error on ioctl().  errno: %d\n", errno);
+     return errno;
+  }
+
+  retval = ioctl(g_fd_source, TIOCSETD, &source_ldisc_num);
+  if (retval < 0) {
+     printf("Error on ioctl().  errno: %d\n", errno);
+     return errno;
+  }
+
+  /////////// To disconnect n_tracerouter and n_tracesink ////////
+
+  // First make sure data through the ldiscs has stopped.
+
+  // Second, disconnect ldiscs.  This provides a
+  // little cleaner shutdown on tty stack.
+  sink_ldisc_num = 0;
+  source_ldisc_num = 0;
+  ioctl(g_fd_uart, TIOCSETD, &sink_ldisc_num);
+  ioctl(g_fd_gadget, TIOCSETD, &source_ldisc_num);
+
+  // Three, program closes connection, and cleanup:
+  close(g_fd_uart);
+  close(g_fd_gadget);
+  g_fd_uart = g_fd_gadget = NULL;
-- 
2.20.1

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