From: Andreas Ruprecht <rupran@einserver.de>
To: devel@linuxdriverproject.org
Cc: gregkh@suse.de, jic23@cam.ac.uk, linux-iio@vger.kernel.org,
rubini@gnudd.com, Andreas Ruprecht <rupran@einserver.de>
Subject: [PATCH v2 1/2] Staging: iio/accel: Changed data type of mask in store_measurement_mode() to u8
Date: Fri, 2 Dec 2011 17:56:55 +0100 [thread overview]
Message-ID: <1322845015-22467-1-git-send-email-rupran@einserver.de> (raw)
In-Reply-To: <20111202164423.GA14982@mail.gnudd.com>
In sca3000_store_measurement_mode() we parse a value from a string
buffer via kstrtou8, and store the parsed value into a u8 after
and-ing it with mask.
As we are only interested in the lowest two bits here and mask is
initialized with a fixed value 0x03, mask may as well be a u8.
Signed-off-by: Andreas Ruprecht <rupran@einserver.de>
Acked-by: Jonathan Cameron <jic23@kernel.org>
---
[v2]: Fixed a confusing typo in the description (bytes/bits)
---
drivers/staging/iio/accel/sca3000_core.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/drivers/staging/iio/accel/sca3000_core.c b/drivers/staging/iio/accel/sca3000_core.c
index c3f1f6a..a33e742 100644
--- a/drivers/staging/iio/accel/sca3000_core.c
+++ b/drivers/staging/iio/accel/sca3000_core.c
@@ -381,7 +381,7 @@ sca3000_store_measurement_mode(struct device *dev,
struct iio_dev *indio_dev = dev_get_drvdata(dev);
struct sca3000_state *st = iio_priv(indio_dev);
int ret;
- int mask = 0x03;
+ u8 mask = 0x03;
u8 val;
mutex_lock(&st->lock);
--
1.7.5.4
next prev parent reply other threads:[~2011-12-02 16:56 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20111124205657.GL3258@mwanda>
2011-11-27 22:17 ` [PATCH 1/3] Staging: iio/accel: Changed data type in adis16220_write_16bit to u16 Andreas Ruprecht
2011-11-27 22:17 ` [PATCH 2/3] Staging: iio/accel: Changed data type for val to unsigned long in write_frequency Andreas Ruprecht
2011-12-01 21:08 ` Jonathan Cameron
2011-11-27 22:17 ` [PATCH 3/3] Staging: iio/accel: Changed data type of val in store_measurement_mode to u8 Andreas Ruprecht
2011-12-01 21:13 ` Jonathan Cameron
2011-12-02 16:30 ` [PATCH 1/2] Staging: iio/accel: Changed data type of mask in store_measurement_mode() " Andreas Ruprecht
2011-12-02 16:30 ` [PATCH 2/2] Staging: iio/accel: Added a range check for val in store_measurement_mode() Andreas Ruprecht
2011-12-02 16:44 ` [PATCH 1/2] Staging: iio/accel: Changed data type of mask in store_measurement_mode() to u8 Alessandro Rubini
2011-12-02 16:56 ` Andreas Ruprecht [this message]
2011-12-01 21:05 ` [PATCH 1/3] Staging: iio/accel: Changed data type in adis16220_write_16bit to u16 Jonathan Cameron
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