diff options
Diffstat (limited to 'apps/systemcmds/eeprom/eeprom.c')
| -rw-r--r-- | apps/systemcmds/eeprom/eeprom.c | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/apps/systemcmds/eeprom/eeprom.c b/apps/systemcmds/eeprom/eeprom.c index 19a14aa02..b4257cda9 100644 --- a/apps/systemcmds/eeprom/eeprom.c +++ b/apps/systemcmds/eeprom/eeprom.c @@ -118,9 +118,19 @@ eeprom_attach(void) if (i2c == NULL) errx(1, "failed to locate I2C bus"); - /* start the MTD driver */ - eeprom_mtd = at24c_initialize(i2c); + /* start the MTD driver, attempt 5 times */ + for (int i = 0; i < 5; i++) { + eeprom_mtd = at24c_initialize(i2c); + if (eeprom_mtd) { + /* abort on first valid result */ + if (i > 0) { + warnx("warning: EEPROM needed %d attempts to attach", i+1); + } + break; + } + } + /* if last attempt is still unsuccessful, abort */ if (eeprom_mtd == NULL) errx(1, "failed to initialize EEPROM driver"); |