diff options
| -rw-r--r-- | common/i2c.c | 19 |
1 files changed, 10 insertions, 9 deletions
diff --git a/common/i2c.c b/common/i2c.c index 3f9b586bb4..24f0d95354 100644 --- a/common/i2c.c +++ b/common/i2c.c @@ -391,19 +391,20 @@ int i2c_unwedge(int port) * by a slave. */ if (!i2c_raw_get_scl(port)) { - for (i = 0; i < UNWEDGE_SCL_ATTEMPTS; i++) { + for (i = 0;; i++) { + if (i >= UNWEDGE_SCL_ATTEMPTS) { + /* + * If we get here, a slave is holding the clock + * low and there is nothing we can do. + */ + CPRINTS("I2C unwedge failed, SCL is being held low"); + ret = EC_ERROR_UNKNOWN; + goto unwedge_done; + } udelay(I2C_BITBANG_DELAY_US); if (i2c_raw_get_scl(port)) break; } - - /* - * If we get here, a slave is holding the clock low and there - * is nothing we can do. - */ - CPRINTS("I2C unwedge failed, SCL is being held low"); - ret = EC_ERROR_UNKNOWN; - goto unwedge_done; } if (i2c_raw_get_sda(port)) |