[PATCH v2 15/46] mfd: ti_am335x_tscadc: Simplify divisor calculation
From: Miquel Raynal <miquel.raynal@bootlin.com>
Date: 2021-09-02 21:52:23
Also in:
linux-devicetree, linux-iio, linux-input
Subsystem:
multifunction devices (mfd), the rest · Maintainers:
Lee Jones, Linus Torvalds
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 2a2f5036e06f..fca58e78abb2 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;
@@ -214,11 +213,8 @@ 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