Erasing the flash can take over a second on some devices and the EC is not responsive during this time. Update the timeout to 5 seconds to cope with this.
Signed-off-by: Simon Glass sjg@chromium.org ---
drivers/misc/cros_ec_lpc.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/drivers/misc/cros_ec_lpc.c b/drivers/misc/cros_ec_lpc.c index 63702f90fbc..e0002b9753f 100644 --- a/drivers/misc/cros_ec_lpc.c +++ b/drivers/misc/cros_ec_lpc.c @@ -25,13 +25,16 @@ #define debug_trace(fmt, b...) #endif
+/* Timeout waiting for a flash erase command to complete */ +static const int CROS_EC_CMD_TIMEOUT_MS = 5000; + static int wait_for_sync(struct cros_ec_dev *dev) { unsigned long start;
start = get_timer(0); while (inb(EC_LPC_ADDR_HOST_CMD) & EC_LPC_STATUS_BUSY_MASK) { - if (get_timer(start) > 1000) { + if (get_timer(start) > CROS_EC_CMD_TIMEOUT_MS) { debug("%s: Timeout waiting for CROS_EC sync\n", __func__); return -1;