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authorHans de Goede <hdegoede@redhat.com>2017-07-13 15:45:01 +0200
committerWolfram Sang <wsa@the-dreams.de>2017-07-31 15:55:41 +0200
commit22acc37b8681461707a3fc73505af808f9af8260 (patch)
tree364976a56b4996b0f635bcba4307d4ea91a2ce62 /drivers/i2c
parenti2c: core: Allow empty id_table in ACPI case as well (diff)
downloadlinux-22acc37b8681461707a3fc73505af808f9af8260.tar.xz
linux-22acc37b8681461707a3fc73505af808f9af8260.zip
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>
Diffstat (limited to 'drivers/i2c')
-rw-r--r--drivers/i2c/busses/i2c-designware-platdrv.c3
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;
}