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cros_ec: Fail if we cannot determine the flash burst size

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

Signed-off-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Simon Glass
2018-11-06 15:21:20 -07:00
parent ac80652342
commit dc05ac0f2f
1 changed files with 3 additions and 0 deletions
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3
drivers/misc/cros_ec.c
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@@ -827,6 +827,9 @@ int cros_ec_flash_write(struct udevice *dev, const uint8_t *data,
uint32_t end, off; uint32_t end, off;
int ret; int ret;
if (!burst)
return -EINVAL;
/* /*
* TODO: round up to the nearest multiple of write size. Can get away * 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. * without that on link right now because its write size is 4 bytes.