diff mbox series

[15/40] mfd: ti_am335x_tscadc: Simplify divisor calculation

Message ID 20210825152518.379386-16-miquel.raynal@bootlin.com
State New
Headers show
Series TI AM437X ADC1 | expand

Commit Message

Miquel Raynal Aug. 25, 2021, 3:24 p.m. UTC 
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(-)
diff mbox series

Patch

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 */