diff options
| author | Miquel Raynal <miquel.raynal@bootlin.com> | 2021-10-15 10:14:33 +0200 |
|---|---|---|
| committer | Lee Jones <lee.jones@linaro.org> | 2021-10-20 18:25:15 +0200 |
| commit | 8543537c7d9994335fd53659d44934a2cabac2f5 (patch) | |
| tree | 381040d582596ccc07b23c6f11231c77709f16a8 /drivers/mfd/ti_am335x_tscadc.c | |
| parent | mfd: ti_am335x_tscadc: Don't search the tree for our clock (diff) | |
| download | linux-8543537c7d9994335fd53659d44934a2cabac2f5.tar.xz linux-8543537c7d9994335fd53659d44934a2cabac2f5.zip | |
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: Miquel Raynal <miquel.raynal@bootlin.com>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20211015081506.933180-16-miquel.raynal@bootlin.com
Diffstat (limited to 'drivers/mfd/ti_am335x_tscadc.c')
| -rw-r--r-- | drivers/mfd/ti_am335x_tscadc.c | 6 |
1 files changed, 1 insertions, 5 deletions
diff --git a/drivers/mfd/ti_am335x_tscadc.c b/drivers/mfd/ti_am335x_tscadc.c index 7f7b8e79a7bf..20d8ddee27fe 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 */ |