Hi Mateusz, On Wednesday 28 of August 2013 18:13:01 Mateusz Krawczuk wrote: > Replace clk_enable by clock_enable_prepare and clk_disable with > clk_disable_unprepare. Clock prepare is required by Clock Common > Framework, and old clock driver didn`t support it. Without it Common > Clock Framework prints a warning. > > Signed-off-by: Mateusz Krawczuk <m.krawczuk@xxxxxxxxxxxxxxxxxxx> > --- > drivers/media/platform/s5p-tv/sdo_drv.c | 25 +++++++++++++++---------- > 1 file changed, 15 insertions(+), 10 deletions(-) > > diff --git a/drivers/media/platform/s5p-tv/sdo_drv.c > b/drivers/media/platform/s5p-tv/sdo_drv.c index 9dbdfe6..a79e620 100644 > --- a/drivers/media/platform/s5p-tv/sdo_drv.c > +++ b/drivers/media/platform/s5p-tv/sdo_drv.c > @@ -209,10 +209,10 @@ static int sdo_streamon(struct sdo_device *sdev) > clk_get_rate(sdev->fout_vpll)); > /* enable clock in SDO */ > sdo_write_mask(sdev, SDO_CLKCON, ~0, SDO_TVOUT_CLOCK_ON); > - ret = clk_enable(sdev->dacphy); > + ret = clk_prepare_enable(sdev->dacphy); > if (ret < 0) { > dev_err(sdev->dev, > - "clk_enable(dacphy) failed !\n"); > + "clk_prepare_enable(dacphy) failed !\n"); nit: I haven't noticed this when reviewing previous patch, but please tone down those errors messages a bit, by removing the exclamation mark (and the space before it). We shouldn't be shouting at users. ;) > goto fail; > } > /* enable DAC */ > @@ -230,7 +230,7 @@ static int sdo_streamoff(struct sdo_device *sdev) > int tries; > > sdo_write_mask(sdev, SDO_DAC, 0, SDO_POWER_ON_DAC); > - clk_disable(sdev->dacphy); > + clk_disable_unprepare(sdev->dacphy); > sdo_write_mask(sdev, SDO_CLKCON, 0, SDO_TVOUT_CLOCK_ON); > for (tries = 100; tries; --tries) { > if (sdo_read(sdev, SDO_CLKCON) & SDO_TVOUT_CLOCK_READY) > @@ -274,7 +274,7 @@ static int sdo_runtime_suspend(struct device *dev) > dev_info(dev, "suspend\n"); > regulator_disable(sdev->vdet); > regulator_disable(sdev->vdac); > - clk_disable(sdev->sclk_dac); > + clk_disable_unprepare(sdev->sclk_dac); > return 0; > } > > @@ -286,7 +286,7 @@ static int sdo_runtime_resume(struct device *dev) > > dev_info(dev, "resume\n"); > > - ret = clk_enable(sdev->sclk_dac); > + ret = clk_prepare_enable(sdev->sclk_dac); > if (ret < 0) > return ret; > > @@ -319,7 +319,7 @@ static int sdo_runtime_resume(struct device *dev) > vdac_r_dis: > regulator_disable(sdev->vdac); > dac_clk_dis: > - clk_disable(sdev->sclk_dac); > + clk_disable_unprepare(sdev->sclk_dac); > return ret; > } > > @@ -333,7 +333,7 @@ static int sdo_probe(struct platform_device *pdev) > struct device *dev = &pdev->dev; > struct sdo_device *sdev; > struct resource *res; > - int ret = 0; > + int ret; Hmm, this change doesn't look like belonging to this patch. > struct clk *sclk_vpll; > > dev_info(dev, "probe start\n"); > @@ -425,8 +425,13 @@ static int sdo_probe(struct platform_device *pdev) > } > > /* enable gate for dac clock, because mixer uses it */ > - clk_enable(sdev->dac); > - > + ret = clk_prepare_enable(sdev->dac); > + if (ret < 0) { > + dev_err(dev, > + "clk_prepare_enable_enable(dac) failed !\n"); > + ret = PTR_ERR(sdev->dac); Hmm, ret already contains the error value returned by clk_prepare_enable() here, so this looks like a copy paste error. Best regards, Tomasz > + goto fail_fout_vpll; > + } > /* configure power management */ > pm_runtime_enable(dev); > > @@ -464,7 +469,7 @@ static int sdo_remove(struct platform_device *pdev) > struct sdo_device *sdev = sd_to_sdev(sd); > > pm_runtime_disable(&pdev->dev); > - clk_disable(sdev->dac); > + clk_disable_unprepare(sdev->dac); > clk_put(sdev->fout_vpll); > clk_put(sdev->dacphy); > clk_put(sdev->dac); -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html