| Message ID | 20210825152518.379386-16-miquel.raynal@bootlin.com |
|---|---|
| State | New |
| Headers | show |
| Series | TI AM437X ADC1 | expand |
On Wed, 25 Aug 2021 17:24:53 +0200 Miquel Raynal <miquel.raynal@bootlin.com> wrote: > Let's rewrite this on a single line, it does not hurt the readability > and saves a useless temporary variable. > > Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com> Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> > --- > drivers/mfd/ti_am335x_tscadc.c | 7 ++----- > 1 file changed, 2 insertions(+), 5 deletions(-) > > diff --git a/drivers/mfd/ti_am335x_tscadc.c b/drivers/mfd/ti_am335x_tscadc.c > index d27f8917272d..3231ccbbad02 100644 > --- a/drivers/mfd/ti_am335x_tscadc.c > +++ b/drivers/mfd/ti_am335x_tscadc.c > @@ -122,7 +122,7 @@ static int ti_tscadc_probe(struct platform_device *pdev) > struct clk *clk; > u32 val; > int tsc_wires = 0, adc_channels = 0, readouts = 0; > - int total_channels, clock_rate, ctrl, err; > + int total_channels, ctrl, err; > > /* Allocate memory for device */ > tscadc = devm_kzalloc(&pdev->dev, sizeof(*tscadc), GFP_KERNEL); > @@ -208,11 +208,8 @@ static int ti_tscadc_probe(struct platform_device *pdev) > err = PTR_ERR(clk); > goto err_disable_clk; > } > - clock_rate = clk_get_rate(clk); > - tscadc->clk_div = clock_rate / ADC_CLK; > > - /* TSCADC_CLKDIV needs to be configured to the value minus 1 */ > - tscadc->clk_div--; > + tscadc->clk_div = (clk_get_rate(clk) / ADC_CLK) - 1; > regmap_write(tscadc->regmap, REG_CLKDIV, tscadc->clk_div); > > /* Set the control register bits */
diff --git a/drivers/mfd/ti_am335x_tscadc.c b/drivers/mfd/ti_am335x_tscadc.c index d27f8917272d..3231ccbbad02 100644 --- a/drivers/mfd/ti_am335x_tscadc.c +++ b/drivers/mfd/ti_am335x_tscadc.c @@ -122,7 +122,7 @@ static int ti_tscadc_probe(struct platform_device *pdev) struct clk *clk; u32 val; int tsc_wires = 0, adc_channels = 0, readouts = 0; - int total_channels, clock_rate, ctrl, err; + int total_channels, ctrl, err; /* Allocate memory for device */ tscadc = devm_kzalloc(&pdev->dev, sizeof(*tscadc), GFP_KERNEL); @@ -208,11 +208,8 @@ static int ti_tscadc_probe(struct platform_device *pdev) err = PTR_ERR(clk); goto err_disable_clk; } - clock_rate = clk_get_rate(clk); - tscadc->clk_div = clock_rate / ADC_CLK; - /* TSCADC_CLKDIV needs to be configured to the value minus 1 */ - tscadc->clk_div--; + tscadc->clk_div = (clk_get_rate(clk) / ADC_CLK) - 1; regmap_write(tscadc->regmap, REG_CLKDIV, tscadc->clk_div); /* Set the control register bits */
Let's rewrite this on a single line, it does not hurt the readability and saves a useless temporary variable. Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com> --- drivers/mfd/ti_am335x_tscadc.c | 7 ++----- 1 file changed, 2 insertions(+), 5 deletions(-)