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From: Rodrigo Ribeiro <rodrigorsdc@gmail.com>
To: Lars-Peter Clausen <lars@metafoo.de>,
	Michael Hennerich <Michael.Hennerich@analog.com>,
	Stefan Popa <stefan.popa@analog.com>,
	Jonathan Cameron <jic23@kernel.org>,
	Hartmut Knaack <knaack.h@gmx.de>,
	Peter Meerwald-Stadler <pmeerw@pmeerw.net>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: kernel-usp@googlegroups.com, linux-iio@vger.kernel.org,
	devel@driverdev.osuosl.org, linux-kernel@vger.kernel.org,
	Rodrigo Ribeiro Carvalho <rodrigorsdc@gmail.com>
Subject: [PATCH v2] staging: iio: accel: adis16240: Improve readability on write_raw function
Date: Tue, 13 Aug 2019 16:31:01 -0300
Message-ID: <20190813193101.26867-1-rodrigorsdc@gmail.com> (raw)

Replace shift and minus operation by GENMASK macro and remove the local
variables used to store intermediate data.

Signed-off-by: Rodrigo Ribeiro Carvalho <rodrigorsdc@gmail.com>
---
v2:
   - Leave switch statement instead of replace by if statement
 drivers/staging/iio/accel/adis16240.c | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/drivers/staging/iio/accel/adis16240.c b/drivers/staging/iio/accel/adis16240.c
index 62f4b3b1b457..82099db4bf0c 100644
--- a/drivers/staging/iio/accel/adis16240.c
+++ b/drivers/staging/iio/accel/adis16240.c
@@ -309,15 +309,12 @@ static int adis16240_write_raw(struct iio_dev *indio_dev,
 			       long mask)
 {
 	struct adis *st = iio_priv(indio_dev);
-	int bits = 10;
-	s16 val16;
 	u8 addr;
 
 	switch (mask) {
 	case IIO_CHAN_INFO_CALIBBIAS:
-		val16 = val & ((1 << bits) - 1);
 		addr = adis16240_addresses[chan->scan_index][0];
-		return adis_write_reg_16(st, addr, val16);
+		return adis_write_reg_16(st, addr, val & GENMASK(9, 0));
 	}
 	return -EINVAL;
 }
-- 
2.20.1


             reply index

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-08-13 19:31 Rodrigo Ribeiro [this message]
2019-08-14  6:56 ` Ardelean, Alexandru
2019-08-18 19:13   ` Jonathan Cameron

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