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staging: iio: impedance-analyzer: ad5933.c: Replace bit shifting with BIT macro

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Challenge suggested by coccinelle.
Prefer using BIT and replace bit shifting with the BIT(x) macro.

Signed-off-by: Payal Kshirsagar <payal.s.kshirsagar.98@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Payal Kshirsagar 2019-04-02 21:11:25 +05:30 committed by Greg Kroah-Hartman
parent 58ff7e7aaa
commit 6082ac0412
1 changed files with 2 additions and 2 deletions
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4
drivers/staging/iio/impedance-analyzer/ad5933.c
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@ -284,7 +284,7 @@ static ssize_t ad5933_show_frequency(struct device *dev,
freqreg = be32_to_cpu(dat.d32) & 0xFFFFFF; freqreg = be32_to_cpu(dat.d32) & 0xFFFFFF;
freqreg = (u64)freqreg * (u64)(st->mclk_hz / 4); freqreg = (u64)freqreg * (u64)(st->mclk_hz / 4);
do_div(freqreg, 1 << 27); do_div(freqreg, BIT(27));
return sprintf(buf, "%d\n", (int)freqreg); return sprintf(buf, "%d\n", (int)freqreg);
} }
@ -420,7 +420,7 @@ static ssize_t ad5933_store(struct device *dev,
if (val > 1022) if (val > 1022)
val = (val >> 2) | (3 << 9); val = (val >> 2) | (3 << 9);
else if (val > 511) else if (val > 511)
val = (val >> 1) | (1 << 9); val = (val >> 1) | BIT(9);
dat = cpu_to_be16(val); dat = cpu_to_be16(val);
ret = ad5933_i2c_write(st->client, ret = ad5933_i2c_write(st->client,