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| author | Reinhard Meyer <u-boot@emk-elektronik.de> | 2010-08-25 14:41:16 +0200 |
|---|---|---|
| committer | Heiko Schocher <hs@denx.de> | 2010-08-26 08:33:24 +0200 |
| commit | 7a92e53cd0d8164d518216bebd52679603d6ffe9 (patch) | |
| tree | 64b71c9ef72bd68124047820677d1233f1f372a4 | |
| parent | a947f4b68b04fa73d8c862185b8cb7e61abda211 (diff) | |
| download | u-boot-imx-7a92e53cd0d8164d518216bebd52679603d6ffe9.zip u-boot-imx-7a92e53cd0d8164d518216bebd52679603d6ffe9.tar.gz u-boot-imx-7a92e53cd0d8164d518216bebd52679603d6ffe9.tar.bz2 | |
CMD_I2C: make alen=0 work
Signed-off-by: Reinhard Meyer <u-boot@emk-elektronik.de>
| -rw-r--r-- | common/cmd_i2c.c | 17 |
1 files changed, 7 insertions, 10 deletions
diff --git a/common/cmd_i2c.c b/common/cmd_i2c.c index 371e022..1283c82 100644 --- a/common/cmd_i2c.c +++ b/common/cmd_i2c.c @@ -152,7 +152,7 @@ int i2c_set_bus_speed(unsigned int) /* * get_alen: small parser helper function to get address length - * returns the address length,or 0 on error + * returns the address length */ static uint get_alen(char *arg) { @@ -163,9 +163,6 @@ static uint get_alen(char *arg) for (j = 0; j < 8; j++) { if (arg[j] == '.') { alen = arg[j+1] - '0'; - if (alen > 3) { - return 0; - } break; } else if (arg[j] == '\0') break; @@ -198,7 +195,7 @@ static int do_i2c_read ( cmd_tbl_t *cmdtp, int flag, int argc, char * const argv */ devaddr = simple_strtoul(argv[2], NULL, 16); alen = get_alen(argv[2]); - if (alen == 0) + if (alen > 3) return cmd_usage(cmdtp); /* @@ -255,7 +252,7 @@ static int do_i2c_md ( cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[] */ addr = simple_strtoul(argv[2], NULL, 16); alen = get_alen(argv[2]); - if (alen == 0) + if (alen > 3) return cmd_usage(cmdtp); /* @@ -337,7 +334,7 @@ static int do_i2c_mw ( cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[] */ addr = simple_strtoul(argv[2], NULL, 16); alen = get_alen(argv[2]); - if (alen == 0) + if (alen > 3) return cmd_usage(cmdtp); /* @@ -399,7 +396,7 @@ static int do_i2c_crc (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[] */ addr = simple_strtoul(argv[2], NULL, 16); alen = get_alen(argv[2]); - if (alen == 0) + if (alen > 3) return cmd_usage(cmdtp); /* @@ -477,7 +474,7 @@ mod_i2c_mem(cmd_tbl_t *cmdtp, int incrflag, int flag, int argc, char * const arg */ addr = simple_strtoul(argv[2], NULL, 16); alen = get_alen(argv[2]); - if (alen == 0) + if (alen > 3) return cmd_usage(cmdtp); } @@ -621,7 +618,7 @@ static int do_i2c_loop(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[] */ addr = simple_strtoul(argv[2], NULL, 16); alen = get_alen(argv[2]); - if (alen == 0) + if (alen > 3) return cmd_usage(cmdtp); /* |