
On 23 April 2015 at 23:14, Heiko Schocher hs@denx.de wrote:
Hello Simon,
Am 23.04.2015 17:12, schrieb Simon Glass:
Hi Heiko,
On 20 April 2015 at 23:04, Heiko Schocher hs@denx.de wrote:
Hello Simon,
Am 20.04.2015 20:37, schrieb Simon Glass:
Print a debug() message with the I2C speed is exceeded.
Signed-off-by: Simon Glass sjg@chromium.org
drivers/i2c/sandbox_i2c.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/i2c/sandbox_i2c.c b/drivers/i2c/sandbox_i2c.c index d6adc0f..621caec 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;
}
Why different speeds for reading/writing?
This is just test code - in fact a later patch adds a flag to enable it only when running tests. See test/dm/i2c.c.
Ah, thanks for the clarification, so:
Acked-by: Heiko Schocher hs@denx.de
Applied to u-boot-dm.