[PATCH v6 15/48] mfd: ti_am335x_tscadc: Simplify divisor calculation

Miquel Raynal
2021-10-15T08:15:48Z

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 | 6 +-----
1 file changed, 1 insertion(+), 5 deletions(-)

diff --git a/drivers/mfd/ti_am335x_tscadc.c b/drivers/mfd/ti_am335x_tscadc.c
index 8af44c08d925..53749a0a5722 100644
--- a/drivers/mfd/ti_am335x_tscadc.c
+++ b/drivers/mfd/ti_am335x_tscadc.c
@@ -122,7 +122,6 @@ static int ti_tscadc_probe(struct platform_device *pdev)
const __be32 *cur;
u32 val;
int err, ctrl;
- int clock_rate;
int tsc_wires = 0, adc_channels = 0, total_channels;
int readouts = 0;

@@ -212,11 +211,8 @@ 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 */
--
2.27.0