[PATCH 15/40] mfd: ti_am335x_tscadc: Simplify divisor calculation
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STALE1861d
From: Miquel Raynal <miquel.raynal@bootlin.com>
Date: 2021-08-25 15:33:01
Also in:
linux-clk, linux-devicetree, linux-iio, linux-omap
Subsystem:
multifunction devices (mfd), the rest · Maintainers:
Lee Jones, Linus Torvalds
Revision v1 of 5 in this series.
Revisions (5)
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 --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 */
--
2.27.0