[U-Boot] [PATCH 03/25] cros_ec: Fail if we cannot determine the flash burst size

This value is required for flashing to work correctly. Add a check for it.

Signed-off-by: Simon Glass sjg@chromium.org ---

drivers/misc/cros_ec.c | 3 +++ 1 file changed, 3 insertions(+)

diff --git a/drivers/misc/cros_ec.c b/drivers/misc/cros_ec.c index e0f3dfc98e0..7daf16499aa 100644 --- a/drivers/misc/cros_ec.c +++ b/drivers/misc/cros_ec.c @@ -827,6 +827,9 @@ int cros_ec_flash_write(struct udevice *dev, const uint8_t *data, uint32_t end, off; int ret;

+ if (!burst) + return -EINVAL; + /* * TODO: round up to the nearest multiple of write size. Can get away * without that on link right now because its write size is 4 bytes.