UPSTREAM: Fit usage to 80 cols
Signed-off-by: Chris Ball <chris@printf.net>
(cherry picked from commit f4eb241519f8d500ce6068a70d2389be39ac5189)
Signed-off-by: Gwendal Grignou <gwendal@chromium.org>
BUG=none
TEST=Compiled, Installed on gnawty
Change-Id: I2b65440e6547377c5987ba87fbb6f9ace968b828
Reviewed-on: https://chromium-review.googlesource.com/337987
Commit-Ready: Gwendal Grignou <gwendal@chromium.org>
Tested-by: Gwendal Grignou <gwendal@chromium.org>
Reviewed-by: Grant Grundler <grundler@chromium.org>
diff --git a/mmc.c b/mmc.c
index f8dacdc..f40cb5a 100644
--- a/mmc.c
+++ b/mmc.c
@@ -123,11 +123,13 @@
},
{ do_rpmb_write_key, -1,
"rpmb write-key", "<rpmb device> <key file>\n"
- "Program authentication key which is 32 bytes length and stored in the specified file.\n"
- "Also you can specify '-' instead of key file path and utility will read the key from stdin.\n"
- "BEWARE: key can be programmed only once!\n"
+ "Program authentication key which is 32 bytes length and stored\n"
+ "in the specified file. Also you can specify '-' instead of\n"
+ "key file path to read the key from stdin.\n"
+ "NOTE! This is a one-time programmable (unreversible) change.\n"
"Example:\n"
- " $ echo -n AAAABBBBCCCCDDDDEEEEFFFFGGGGHHHH | mmc rpmb write-key /dev/mmcblk0rpmb -",
+ " $ echo -n AAAABBBBCCCCDDDDEEEEFFFFGGGGHHHH | \\\n"
+ " mmc rpmb write-key /dev/mmcblk0rpmb -",
NULL
},
{ do_rpmb_read_counter, -1,
@@ -137,20 +139,25 @@
},
{ do_rpmb_read_block, -1,
"rpmb read-block", "<rpmb device> <address> <blocks count> <output file> [key file]\n"
- "Blocks of 256 bytes will be read from <rpmb device> to output file or stdout if '-' is specified instead of regular path.\n"
- "If key is specified - read data will be verified. Instead of regular path you can specify '-' and key will be read from stdin.\n"
+ "Blocks of 256 bytes will be read from <rpmb device> to output\n"
+ "file or stdout if '-' is specified. If key is specified - read\n"
+ "data will be verified. Instead of regular path you can specify\n"
+ "'-' to read key from stdin.\n"
"Example:\n"
- " $ echo -n AAAABBBBCCCCDDDDEEEEFFFFGGGGHHHH | mmc rpmb read-block /dev/mmcblk0rpmb 0x02 2 /tmp/block -\n"
+ " $ echo -n AAAABBBBCCCCDDDDEEEEFFFFGGGGHHHH | \\\n"
+ " mmc rpmb read-block /dev/mmcblk0rpmb 0x02 2 /tmp/block -\n"
"or read two blocks without verification\n"
" $ mmc rpmb read-block /dev/mmcblk0rpmb 0x02 2 /tmp/block",
NULL
},
{ do_rpmb_write_block, -1,
"rpmb write-block", "<rpmb device> <address> <256 byte data file> <key file>\n"
- "Block of 256 bytes will be written from data file to <rpmb device>.\n"
- "Also you can specify '-' instead of key file path or data file and utility will read the data from stdin.\n"
+ "Block of 256 bytes will be written from data file to\n"
+ "<rpmb device>. Also you can specify '-' instead of key\n"
+ "file path or data file to read the data from stdin.\n"
"Example:\n"
- " $ (awk 'BEGIN {while (c++<256) printf \"a\"}' | echo -n AAAABBBBCCCCDDDDEEEEFFFFGGGGHHHH) | \\\n"
+ " $ (awk 'BEGIN {while (c++<256) printf \"a\"}' | \\\n"
+ " echo -n AAAABBBBCCCCDDDDEEEEFFFFGGGGHHHH) | \\\n"
" mmc rpmb write-block /dev/mmcblk0rpmb 0x02 - -",
NULL
},