[PATCH 1/2] i2c: designware: Print clock freq on invalid clock freq error

Hans de Goede
2017-07-08T13:11:01Z

When we refuse to probe due to an invalid clock frequency, log
the frequency which is causing this error.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
---
drivers/i2c/busses/i2c-designware-platdrv.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/i2c/busses/i2c-designware-platdrv.c b/drivers/i2c/busses/i2c-designware-platdrv.c
index d1263b82d646..d5acaf8d65bf 100644
--- a/drivers/i2c/busses/i2c-designware-platdrv.c
+++ b/drivers/i2c/busses/i2c-designware-platdrv.c
@@ -275,7 +275,8 @@ static int dw_i2c_plat_probe(struct platform_device *pdev)
if (dev->clk_freq != 100000 && dev->clk_freq != 400000
&& dev->clk_freq != 1000000 && dev->clk_freq != 3400000) {
dev_err(&pdev->dev,
- "Only 100kHz, 400kHz, 1MHz and 3.4MHz supported");
+ "%d Hz is unsupported, only 100kHz, 400kHz, 1MHz and 3.4MHz are supported",
+ dev->clk_freq);
r = -EINVAL;
goto exit_reset;
}
--
2.13.0