Commit 8543537c authored by Miquel Raynal's avatar Miquel Raynal Committed by Lee Jones
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mfd: ti_am335x_tscadc: Simplify divisor calculation 



Let's rewrite this on a single line, it does not hurt the readability
and saves a useless temporary variable.

Signed-off-by: default avatarMiquel Raynal <miquel.raynal@bootlin.com>
Reviewed-by: default avatarJonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: default avatarLee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20211015081506.933180-16-miquel.raynal@bootlin.com
parent 235a96e9

drivers/mfd/ti_am335x_tscadc.c

+1 −5
Original line number Diff line number Diff line
@@ -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 */