iv/linux
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

iio: adc: lpc18xx: Benefit from devm_clk_get_enabled() to simplify

Browse Source 
Make use of devm_clk_get_enabled() to replace some code that effectively
open codes this new function.

Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Link: https://lore.kernel.org/r/20220808204740.307667-5-u.kleine-koenig@pengutronix.de
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
This commit is contained in:
Uwe Kleine-König 2022-08-08 22:47:32 +02:00 committed by Jonathan Cameron
parent 51f2f910a5
commit 4004912e0c
1 changed files with 1 additions and 17 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

18
drivers/iio/adc/lpc18xx_adc.c
View File

@ -121,11 +121,6 @@ static void lpc18xx_clear_cr_reg(void *data)
writel(0, adc->base + LPC18XX_ADC_CR);
}
static void lpc18xx_clk_disable(void *clk)
{
clk_disable_unprepare(clk);
}
static void lpc18xx_regulator_disable(void *vref)
{
regulator_disable(vref);
@ -151,7 +146,7 @@ static int lpc18xx_adc_probe(struct platform_device *pdev)
if (IS_ERR(adc->base))
return PTR_ERR(adc->base);
adc->clk = devm_clk_get(&pdev->dev, NULL);
adc->clk = devm_clk_get_enabled(&pdev->dev, NULL);
if (IS_ERR(adc->clk))
return dev_err_probe(&pdev->dev, PTR_ERR(adc->clk),
"error getting clock\n");
@ -177,17 +172,6 @@ static int lpc18xx_adc_probe(struct platform_device *pdev)
if (ret)
return ret;
ret = clk_prepare_enable(adc->clk);
if (ret) {
dev_err(&pdev->dev, "unable to enable clock\n");
return ret;
}
ret = devm_add_action_or_reset(&pdev->dev, lpc18xx_clk_disable,
adc->clk);
if (ret)
return ret;
rate = clk_get_rate(adc->clk);
clkdiv = DIV_ROUND_UP(rate, LPC18XX_ADC_CLK_TARGET);