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

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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 <[email protected]>
Reviewed-by: Andy Shevchenko <[email protected]>
Signed-off-by: Wolfram Sang <[email protected]>
This commit is contained in:
Hans de Goede 2017-07-13 15:45:01 +02:00 • committed by Wolfram Sang
commit 22acc37b86
1 changed files with 2 additions and 1 deletions
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3
drivers/i2c/busses/i2c-designware-platdrv.c
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@ -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;
}