i2c: designware: Print clock freq on invalid clock freq error

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>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>

1 files changed, 2 insertions, 1 deletions

diff --git a/drivers/i2c/busses/i2c-designware-platdrv.c b/drivers/i2c/busses/i2c-designware-platdrv.c
index 2ea6d0d25a01..d139b156f9c9 100644
--- a/drivers/i2c/busses/i2c-designware-platdrv.c
+++ b/drivers/i2c/busses/i2c-designware-platdrv.c
@@ -319,7 +319,8 @@ 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\n",
+                        dev->clk_freq);
                 ret = -EINVAL;
                 goto exit_reset;
         }