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dm: i2c: sandbox: Add debugging to the speed limit

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Print a debug() message with the I2C speed is exceeded.

Signed-off-by: Simon Glass <sjg@chromium.org>
Acked-by: Heiko Schocher <hs@denx.de>
This commit is contained in:
Simon Glass 2015-04-20 12:37:13 -06:00
parent bc5701e1b4
commit 1bde67b1f4
1 changed files with 3 additions and 1 deletions
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4
drivers/i2c/sandbox_i2c.c
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@ -73,8 +73,10 @@ static int sandbox_i2c_xfer(struct udevice *bus, struct i2c_msg *msg,
* 400KHz for reads
*/
is_read = nmsgs > 1;
if (i2c->speed_hz > (is_read ? 400000 : 100000))
if (i2c->speed_hz > (is_read ? 400000 : 100000)) {
debug("%s: Max speed exceeded\n", __func__);
return -EINVAL;
}
return ops->xfer(emul, msg, nmsgs);
}