From: <michael.hennerich@analog.com>
To: <greg@kroah.com>
Cc: <linux-iio@vger.kernel.org>,
<device-drivers-devel@blackfin.uclinux.org>, <drivers@analog.com>,
<jic23@cam.ac.uk>,
Michael Hennerich <michael.hennerich@analog.com>
Subject: [PATCH] iio: introduce type casts to avoid __ucmpdi2 calls
Date: Tue, 25 Oct 2011 10:51:04 +0200 [thread overview]
Message-ID: <1319532664-25017-1-git-send-email-michael.hennerich@analog.com> (raw)
From: Michael Hennerich <michael.hennerich@analog.com>
This patch type casts the switch control variable to 32 bits in order to
prevent a call __ucmpdi2 generated by some versions of gcc.
This fixes an undefined reference to `__ucmpdi2' when compiled for arch/blackfin
Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Acked-by: Jonathan Cameron <jic23@cam.ac.uk>
---
drivers/staging/iio/adc/ad7192.c | 2 +-
drivers/staging/iio/adc/ad7280a.c | 6 +++---
drivers/staging/iio/dds/ad9832.c | 2 +-
drivers/staging/iio/dds/ad9834.c | 4 ++--
drivers/staging/iio/impedance-analyzer/ad5933.c | 4 ++--
5 files changed, 9 insertions(+), 9 deletions(-)
diff --git a/drivers/staging/iio/adc/ad7192.c b/drivers/staging/iio/adc/ad7192.c
index 31c376b..d8bf559 100644
--- a/drivers/staging/iio/adc/ad7192.c
+++ b/drivers/staging/iio/adc/ad7192.c
@@ -795,7 +795,7 @@ static ssize_t ad7192_set(struct device *dev,
return -EBUSY;
}
- switch (this_attr->address) {
+ switch ((u32) this_attr->address) {
case AD7192_REG_GPOCON:
if (val)
st->gpocon |= AD7192_GPOCON_BPDSW;
diff --git a/drivers/staging/iio/adc/ad7280a.c b/drivers/staging/iio/adc/ad7280a.c
index 372d059..0c212e0 100644
--- a/drivers/staging/iio/adc/ad7280a.c
+++ b/drivers/staging/iio/adc/ad7280a.c
@@ -600,7 +600,7 @@ static ssize_t ad7280_read_channel_config(struct device *dev,
struct iio_dev_attr *this_attr = to_iio_dev_attr(attr);
unsigned val;
- switch (this_attr->address) {
+ switch ((u32) this_attr->address) {
case AD7280A_CELL_OVERVOLTAGE:
val = 1000 + (st->cell_threshhigh * 1568) / 100;
break;
@@ -636,7 +636,7 @@ static ssize_t ad7280_write_channel_config(struct device *dev,
if (ret)
return ret;
- switch (this_attr->address) {
+ switch ((u32) this_attr->address) {
case AD7280A_CELL_OVERVOLTAGE:
case AD7280A_CELL_UNDERVOLTAGE:
val = ((val - 1000) * 100) / 1568; /* LSB 15.68mV */
@@ -652,7 +652,7 @@ static ssize_t ad7280_write_channel_config(struct device *dev,
val = clamp(val, 0L, 0xFFL);
mutex_lock(&indio_dev->mlock);
- switch (this_attr->address) {
+ switch ((u32) this_attr->address) {
case AD7280A_CELL_OVERVOLTAGE:
st->cell_threshhigh = val;
break;
diff --git a/drivers/staging/iio/dds/ad9832.c b/drivers/staging/iio/dds/ad9832.c
index 0db0b3a..ef0be2c 100644
--- a/drivers/staging/iio/dds/ad9832.c
+++ b/drivers/staging/iio/dds/ad9832.c
@@ -88,7 +88,7 @@ static ssize_t ad9832_write(struct device *dev,
goto error_ret;
mutex_lock(&indio_dev->mlock);
- switch (this_attr->address) {
+ switch ((u32) this_attr->address) {
case AD9832_FREQ0HM:
case AD9832_FREQ1HM:
ret = ad9832_write_frequency(st, this_attr->address, val);
diff --git a/drivers/staging/iio/dds/ad9834.c b/drivers/staging/iio/dds/ad9834.c
index c468f69..2e29f6f 100644
--- a/drivers/staging/iio/dds/ad9834.c
+++ b/drivers/staging/iio/dds/ad9834.c
@@ -77,7 +77,7 @@ static ssize_t ad9834_write(struct device *dev,
goto error_ret;
mutex_lock(&indio_dev->mlock);
- switch (this_attr->address) {
+ switch ((u32) this_attr->address) {
case AD9834_REG_FREQ0:
case AD9834_REG_FREQ1:
ret = ad9834_write_frequency(st, this_attr->address, val);
@@ -153,7 +153,7 @@ static ssize_t ad9834_store_wavetype(struct device *dev,
mutex_lock(&indio_dev->mlock);
- switch (this_attr->address) {
+ switch ((u32) this_attr->address) {
case 0:
if (sysfs_streq(buf, "sine")) {
st->control &= ~AD9834_MODE;
diff --git a/drivers/staging/iio/impedance-analyzer/ad5933.c b/drivers/staging/iio/impedance-analyzer/ad5933.c
index 1086e0b..ece7707 100644
--- a/drivers/staging/iio/impedance-analyzer/ad5933.c
+++ b/drivers/staging/iio/impedance-analyzer/ad5933.c
@@ -329,7 +329,7 @@ static ssize_t ad5933_show(struct device *dev,
int ret = 0, len = 0;
mutex_lock(&indio_dev->mlock);
- switch (this_attr->address) {
+ switch ((u32) this_attr->address) {
case AD5933_OUT_RANGE:
len = sprintf(buf, "%d\n",
st->range_avail[(st->ctrl_hb >> 1) & 0x3]);
@@ -380,7 +380,7 @@ static ssize_t ad5933_store(struct device *dev,
}
mutex_lock(&indio_dev->mlock);
- switch (this_attr->address) {
+ switch ((u32) this_attr->address) {
case AD5933_OUT_RANGE:
for (i = 0; i < 4; i++)
if (val == st->range_avail[i]) {
--
1.7.0.4
next reply other threads:[~2011-10-25 8:51 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-10-25 8:51 michael.hennerich [this message]
-- strict thread matches above, loose matches on Subject: below --
2011-10-25 8:33 [PATCH] iio: introduce type casts to avoid __ucmpdi2 calls michael.hennerich
2011-10-25 8:39 ` Jonathan Cameron
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