diff options
Diffstat (limited to 'commands/i2c.c')
| -rw-r--r-- | commands/i2c.c | 30 |
1 files changed, 25 insertions, 5 deletions
diff --git a/commands/i2c.c b/commands/i2c.c index 77d65e3fa3..77a8f7ff97 100644 --- a/commands/i2c.c +++ b/commands/i2c.c @@ -45,17 +45,37 @@ static int do_i2c_probe(int argc, char *argv[]) { struct i2c_adapter *adapter = NULL; int startaddr = 4, stopaddr = 0x77; + int ret; if (argc > 1) { - adapter = i2c_get_adapter(simple_strtoul(argv[1], NULL, 0)); + int busnum; + + ret = kstrtoint(argv[1], 0, &busnum); + if (ret) { + printf("Cannot parse \"%s\" as a number\n", argv[1]); + return ret; + } + + adapter = i2c_get_adapter(busnum); if (!adapter) return -ENODEV; } - if (argc > 2) - startaddr = simple_strtol(argv[2], NULL, 0); - if (argc > 3) - stopaddr = simple_strtol(argv[3], NULL, 0); + if (argc > 2) { + ret = kstrtoint(argv[2], 0, &startaddr); + if (ret) { + printf("Cannot parse \"%s\" as a number\n", argv[1]); + return ret; + } + } + + if (argc > 3) { + ret = kstrtoint(argv[3], 0, &stopaddr); + if (ret) { + printf("Cannot parse \"%s\" as a number\n", argv[1]); + return ret; + } + } if (stopaddr > 0x7f) stopaddr = 0x7f; |