On 02/02/16 12:56, Gujulan Elango, Hari Prasath (H.) wrote:
> This patch replaces the clk_get() with devm_clk_get().Accordingly,modified
> the error paths,rename error labels and removed clk_put() in probe() &
> remove functions.
>
> Signed-off-by: Hari Prasath Gujulan Elango <hgujulan@xxxxxxxxxxx>
Applied to the togreg branch of iio.git - initially pushed out as testing
for the autobuilders to play with it.
Thanks,
Jonathan
> ---
> v3: Rename error path labels to suite modified code as reviewd
> by Matt Ranostay.
> Remove clk_put() from the driver remove method as pointed by
> Jonathan Cameron.
>
> v2: From email address was missing as pointed by Dan Carpenter.
> ---
> drivers/staging/iio/adc/spear_adc.c | 17 +++++++----------
> 1 file changed, 7 insertions(+), 10 deletions(-)
>
> diff --git a/drivers/staging/iio/adc/spear_adc.c b/drivers/staging/iio/adc/spear_adc.c
> index 712cae0..f2c0065 100644
> --- a/drivers/staging/iio/adc/spear_adc.c
> +++ b/drivers/staging/iio/adc/spear_adc.c
> @@ -288,7 +288,7 @@ static int spear_adc_probe(struct platform_device *pdev)
> st->adc_base_spear3xx =
> (struct adc_regs_spear3xx __iomem *)st->adc_base_spear6xx;
>
> - st->clk = clk_get(dev, NULL);
> + st->clk = devm_clk_get(dev, NULL);
> if (IS_ERR(st->clk)) {
> dev_err(dev, "failed getting clock\n");
> goto errout1;
> @@ -297,28 +297,28 @@ static int spear_adc_probe(struct platform_device *pdev)
> ret = clk_prepare_enable(st->clk);
> if (ret) {
> dev_err(dev, "failed enabling clock\n");
> - goto errout2;
> + goto errout1;
> }
>
> irq = platform_get_irq(pdev, 0);
> if (irq <= 0) {
> dev_err(dev, "failed getting interrupt resource\n");
> ret = -EINVAL;
> - goto errout3;
> + goto errout2;
> }
>
> ret = devm_request_irq(dev, irq, spear_adc_isr, 0, SPEAR_ADC_MOD_NAME,
> st);
> if (ret < 0) {
> dev_err(dev, "failed requesting interrupt\n");
> - goto errout3;
> + goto errout2;
> }
>
> if (of_property_read_u32(np, "sampling-frequency",
> &st->sampling_freq)) {
> dev_err(dev, "sampling-frequency missing in DT\n");
> ret = -EINVAL;
> - goto errout3;
> + goto errout2;
> }
>
> /*
> @@ -348,16 +348,14 @@ static int spear_adc_probe(struct platform_device *pdev)
>
> ret = iio_device_register(indio_dev);
> if (ret)
> - goto errout3;
> + goto errout2;
>
> dev_info(dev, "SPEAR ADC driver loaded, IRQ %d\n", irq);
>
> return 0;
>
> -errout3:
> - clk_disable_unprepare(st->clk);
> errout2:
> - clk_put(st->clk);
> + clk_disable_unprepare(st->clk);
> errout1:
> iounmap(st->adc_base_spear6xx);
> return ret;
> @@ -370,7 +368,6 @@ static int spear_adc_remove(struct platform_device *pdev)
>
> iio_device_unregister(indio_dev);
> clk_disable_unprepare(st->clk);
> - clk_put(st->clk);
> iounmap(st->adc_base_spear6xx);
>
> return 0;
>
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