From: Simon Glass <sjg@chromium.org>
Date: Mon, 20 Apr 2015 18:37:13 +0000 (-0600)
Subject: dm: i2c: sandbox: Add debugging to the speed limit
X-Git-Tag: v2015.07-rc2~285^2~40
X-Git-Url: https://git.sur5r.net/?a=commitdiff_plain;h=1bde67b1f492cbb0177241a56af59f706d45fccf;p=u-boot

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

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>
---

diff --git a/drivers/i2c/sandbox_i2c.c b/drivers/i2c/sandbox_i2c.c
index d6adc0f721..621caecf04 100644
--- a/drivers/i2c/sandbox_i2c.c
+++ b/drivers/i2c/sandbox_i2c.c
@@ -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);
 }