diff options
Diffstat (limited to 'meta-oe/recipes-devtools/serialcheck/serialcheck/0001-Add-option-to-enable-internal-loopback.patch')
| -rw-r--r-- | meta-oe/recipes-devtools/serialcheck/serialcheck/0001-Add-option-to-enable-internal-loopback.patch | 81 |
1 files changed, 81 insertions, 0 deletions
diff --git a/meta-oe/recipes-devtools/serialcheck/serialcheck/0001-Add-option-to-enable-internal-loopback.patch b/meta-oe/recipes-devtools/serialcheck/serialcheck/0001-Add-option-to-enable-internal-loopback.patch new file mode 100644 index 0000000000..f69254a292 --- /dev/null +++ b/meta-oe/recipes-devtools/serialcheck/serialcheck/0001-Add-option-to-enable-internal-loopback.patch @@ -0,0 +1,81 @@ +From 059d5512e840fe68e2bb37add6c9208fa9c34d15 Mon Sep 17 00:00:00 2001 +From: Sekhar Nori <nsekhar@ti.com> +Date: Tue, 24 Feb 2015 22:16:37 +0530 +Subject: [PATCH 1/2] Add option to enable internal loopback + +Upstream-status: Pending +--- + serialcheck.c | 23 +++++++++++++++++++++++ + 1 file changed, 23 insertions(+) + +diff --git a/serialcheck.c b/serialcheck.c +index 4f5b747..4100c37 100644 +--- a/serialcheck.c ++++ b/serialcheck.c +@@ -12,6 +12,8 @@ + #include <sys/ioctl.h> + #include <linux/serial.h> + ++#define TIOCM_LOOP 0x8000 ++ + #define __same_type(a, b) __builtin_types_compatible_p(typeof(a), typeof(b)) + #define BUILD_BUG_ON_ZERO(e) (sizeof(struct { int:-!!(e); })) + #define __must_be_array(a) BUILD_BUG_ON_ZERO(__same_type((a), &(a)[0])) +@@ -40,6 +42,7 @@ struct g_opt { + unsigned char hflow; + unsigned char do_termios; + unsigned char *cmp_buff; ++ unsigned char loopback; + }; + + /* name, key, arg, flags, doc, group */ +@@ -51,6 +54,7 @@ static struct argp_option options[] = { + {"mode", 'm', "M", 0, "transfer mode (d = duplex, t = send r = receive)", 0}, + {"loops", 'l', "NUM", 0, "loops to perform (0 => wait fot CTRL-C", 0}, + {"no-termios", 'n', NULL, 0, "No termios change (baud rate etc. remains unchanged)", 0}, ++ {"loopback", 'k', NULL, 0, "loopback mode", 0}, + {NULL, 0, NULL, 0, NULL, 0} + }; + +@@ -67,6 +71,7 @@ static error_t parse_opt(int key, char *arg, struct argp_state *state) + go->baudrate = 115200; + go->loops = UINT_MAX; + go->do_termios = 1; ++ go->loopback = 0; + break; + case ARGP_KEY_ARG: + ret = ARGP_ERR_UNKNOWN; +@@ -113,6 +118,9 @@ static error_t parse_opt(int key, char *arg, struct argp_state *state) + } else + go->loops = num; + break; ++ case 'k': ++ go->loopback = 1; ++ break; + default: + ret = ARGP_ERR_UNKNOWN; + } +@@ -487,6 +495,21 @@ int main(int argc, char *argv[]) + die("tcflush failed: %m\n"); + } + ++ if (opts.loopback) { ++ unsigned int mcr; ++ ++ ret = ioctl(fd, TIOCMGET, &mcr); ++ if (ret < 0) ++ die("mcr get failed: %m\n"); ++ ++ mcr |= TIOCM_LOOP; ++ ++ ret = ioctl(fd, TIOCMSET, &mcr); ++ if (ret < 0) ++ die ("mcr set failed: %m\n"); ++ ++ } ++ + ret = fcntl(fd, F_SETFL, 0); + if (ret) + printf("Failed to remove nonblock mode\n"); +-- +1.9.1 |