Address the last remaining TODO [1] for this driver and move it from staging
into mainline.
[1] https://marc.info/?l=linux-iio&m=147689684332118&w=2
Change in v2:
* Address the incorrect way of implementing the scale. (Pointed out by Lars)
Eva Rachel Retuya (2):
staging: iio: ad7606: replace range/range_available with corresponding
scale
staging: iio: ad7606: move out of staging
drivers/iio/adc/Kconfig | 34 ++++++++++
drivers/iio/adc/Makefile | 3 +
drivers/{staging => }/iio/adc/ad7606.c | 99 ++++++++++++++++++------------
drivers/{staging => }/iio/adc/ad7606.h | 1 +
drivers/{staging => }/iio/adc/ad7606_par.c | 0
drivers/{staging => }/iio/adc/ad7606_spi.c | 0
drivers/staging/iio/adc/Kconfig | 34 ----------
drivers/staging/iio/adc/Makefile | 4 --
8 files changed, 98 insertions(+), 77 deletions(-)
rename drivers/{staging => }/iio/adc/ad7606.c (86%)
rename drivers/{staging => }/iio/adc/ad7606.h (98%)
rename drivers/{staging => }/iio/adc/ad7606_par.c (100%)
rename drivers/{staging => }/iio/adc/ad7606_spi.c (100%)
--
2.7.4
Eliminate the non-standard attributes in_voltage_range and
in_voltage_range_available. Implement in_voltage_scale_available in place
of these attributes and update the SCALE accordingly. The array
scale_avail is introduced to hold the available scale values.
Signed-off-by: Eva Rachel Retuya <[email protected]>
---
Changes in v2:
* Update commit message to reflect changes.
* Introduce scale_avail[] array to hold the available scales.
* Rewrite read_raw's SCALE to make use of the scale_avail[].
* Provide write_raw and write_raw_get_fmt for implementing SCALE.
* Populate the scale_avail[] with values in probe().
drivers/staging/iio/adc/ad7606.c | 99 ++++++++++++++++++++++++----------------
drivers/staging/iio/adc/ad7606.h | 1 +
2 files changed, 61 insertions(+), 39 deletions(-)
diff --git a/drivers/staging/iio/adc/ad7606.c b/drivers/staging/iio/adc/ad7606.c
index 4531908..7a9471d 100644
--- a/drivers/staging/iio/adc/ad7606.c
+++ b/drivers/staging/iio/adc/ad7606.c
@@ -151,9 +151,9 @@ static int ad7606_read_raw(struct iio_dev *indio_dev,
*val = (short)ret;
return IIO_VAL_INT;
case IIO_CHAN_INFO_SCALE:
- *val = st->range * 2;
- *val2 = st->chip_info->channels[0].scan_type.realbits;
- return IIO_VAL_FRACTIONAL_LOG2;
+ *val = st->scale_avail[st->range][0];
+ *val2 = st->scale_avail[st->range][1];
+ return IIO_VAL_INT_PLUS_NANO;
case IIO_CHAN_INFO_OVERSAMPLING_RATIO:
*val = st->oversampling;
return IIO_VAL_INT;
@@ -161,42 +161,24 @@ static int ad7606_read_raw(struct iio_dev *indio_dev,
return -EINVAL;
}
-static ssize_t ad7606_show_range(struct device *dev,
- struct device_attribute *attr, char *buf)
+static ssize_t in_voltage_scale_available_show(struct device *dev,
+ struct device_attribute *attr,
+ char *buf)
{
struct iio_dev *indio_dev = dev_to_iio_dev(dev);
struct ad7606_state *st = iio_priv(indio_dev);
+ int i, len = 0;
- return sprintf(buf, "%u\n", st->range);
-}
-
-static ssize_t ad7606_store_range(struct device *dev,
- struct device_attribute *attr,
- const char *buf, size_t count)
-{
- struct iio_dev *indio_dev = dev_to_iio_dev(dev);
- struct ad7606_state *st = iio_priv(indio_dev);
- unsigned long lval;
- int ret;
-
- ret = kstrtoul(buf, 10, &lval);
- if (ret)
- return ret;
-
- if (!(lval == 5000 || lval == 10000))
- return -EINVAL;
+ for (i = 0; i < ARRAY_SIZE(st->scale_avail); i++)
+ len += scnprintf(buf + len, PAGE_SIZE - len, "%d.%09u ",
+ st->scale_avail[i][0], st->scale_avail[i][1]);
- mutex_lock(&indio_dev->mlock);
- gpiod_set_value(st->gpio_range, lval == 10000);
- st->range = lval;
- mutex_unlock(&indio_dev->mlock);
+ buf[len - 1] = '\n';
- return count;
+ return len;
}
-static IIO_DEVICE_ATTR(in_voltage_range, S_IRUGO | S_IWUSR,
- ad7606_show_range, ad7606_store_range, 0);
-static IIO_CONST_ATTR(in_voltage_range_available, "5000 10000");
+static IIO_DEVICE_ATTR_RO(in_voltage_scale_available, 0);
static int ad7606_oversampling_get_index(unsigned int val)
{
@@ -218,9 +200,23 @@ static int ad7606_write_raw(struct iio_dev *indio_dev,
{
struct ad7606_state *st = iio_priv(indio_dev);
int values[3];
- int ret;
+ int ret, i;
switch (mask) {
+ case IIO_CHAN_INFO_SCALE:
+ ret = -EINVAL;
+ mutex_lock(&indio_dev->mlock);
+ for (i = 0; i < ARRAY_SIZE(st->scale_avail); i++)
+ if (val2 == st->scale_avail[i][1]) {
+ gpiod_set_value(st->gpio_range, i);
+ st->range = i;
+
+ ret = 0;
+ break;
+ }
+ mutex_unlock(&indio_dev->mlock);
+
+ return ret;
case IIO_CHAN_INFO_OVERSAMPLING_RATIO:
if (val2)
return -EINVAL;
@@ -244,11 +240,22 @@ static int ad7606_write_raw(struct iio_dev *indio_dev,
}
}
+static int ad7606_write_raw_get_fmt(struct iio_dev *indio_dev,
+ struct iio_chan_spec const *chan,
+ long mask)
+{
+ switch (mask) {
+ case IIO_CHAN_INFO_SCALE:
+ return IIO_VAL_INT_PLUS_NANO;
+ default:
+ return -EINVAL;
+ }
+}
+
static IIO_CONST_ATTR(oversampling_ratio_available, "1 2 4 8 16 32 64");
static struct attribute *ad7606_attributes_os_and_range[] = {
- &iio_dev_attr_in_voltage_range.dev_attr.attr,
- &iio_const_attr_in_voltage_range_available.dev_attr.attr,
+ &iio_dev_attr_in_voltage_scale_available.dev_attr.attr,
&iio_const_attr_oversampling_ratio_available.dev_attr.attr,
NULL,
};
@@ -267,8 +274,7 @@ static const struct attribute_group ad7606_attribute_group_os = {
};
static struct attribute *ad7606_attributes_range[] = {
- &iio_dev_attr_in_voltage_range.dev_attr.attr,
- &iio_const_attr_in_voltage_range_available.dev_attr.attr,
+ &iio_dev_attr_in_voltage_scale_available.dev_attr.attr,
NULL,
};
@@ -384,6 +390,7 @@ static const struct iio_info ad7606_info_os_and_range = {
.driver_module = THIS_MODULE,
.read_raw = &ad7606_read_raw,
.write_raw = &ad7606_write_raw,
+ .write_raw_get_fmt = &ad7606_write_raw_get_fmt,
.attrs = &ad7606_attribute_group_os_and_range,
};
@@ -397,6 +404,8 @@ static const struct iio_info ad7606_info_os = {
static const struct iio_info ad7606_info_range = {
.driver_module = THIS_MODULE,
.read_raw = &ad7606_read_raw,
+ .write_raw = &ad7606_write_raw,
+ .write_raw_get_fmt = &ad7606_write_raw_get_fmt,
.attrs = &ad7606_attribute_group_range,
};
@@ -405,7 +414,8 @@ int ad7606_probe(struct device *dev, int irq, void __iomem *base_address,
const struct ad7606_bus_ops *bops)
{
struct ad7606_state *st;
- int ret;
+ unsigned int scale, range;
+ int ret, i, j;
struct iio_dev *indio_dev;
indio_dev = devm_iio_device_alloc(dev, sizeof(*st));
@@ -417,8 +427,19 @@ int ad7606_probe(struct device *dev, int irq, void __iomem *base_address,
st->dev = dev;
st->bops = bops;
st->base_address = base_address;
- st->range = 5000;
+ /* tied to logic low, analog input range is +/- 5V */
+ st->range = 0;
st->oversampling = 1;
+ /* Populate the scales, 2.5/2**16 then 5/2**16 */
+ range = 5000;
+ for (i = 0, j = 1; i < ARRAY_SIZE(st->scale_avail); i++, j--) {
+ scale = ((u64)range * 100000000) >>
+ ad7606_channels[1].scan_type.realbits;
+ scale >>= j;
+
+ st->scale_avail[i][1] = do_div(scale, 100000000) * 10;
+ st->scale_avail[i][0] = scale;
+ }
INIT_WORK(&st->poll_work, &ad7606_poll_bh_to_ring);
st->reg = devm_regulator_get(dev, "avcc");
@@ -525,7 +546,7 @@ static int ad7606_resume(struct device *dev)
struct ad7606_state *st = iio_priv(indio_dev);
if (st->gpio_standby) {
- gpiod_set_value(st->gpio_range, st->range == 10000);
+ gpiod_set_value(st->gpio_range, st->range);
gpiod_set_value(st->gpio_standby, 1);
ad7606_reset(st);
}
diff --git a/drivers/staging/iio/adc/ad7606.h b/drivers/staging/iio/adc/ad7606.h
index 746f955..671c456 100644
--- a/drivers/staging/iio/adc/ad7606.h
+++ b/drivers/staging/iio/adc/ad7606.h
@@ -34,6 +34,7 @@ struct ad7606_state {
const struct ad7606_bus_ops *bops;
unsigned int range;
unsigned int oversampling;
+ unsigned int scale_avail[2][2];
bool done;
void __iomem *base_address;
--
2.7.4
Move the ad7606 driver from staging/iio/adc to iio/adc. Also, update the
corresponding Makefile and Kconfig associated with the change.
Signed-off-by: Eva Rachel Retuya <[email protected]>
---
drivers/iio/adc/Kconfig | 34 ++++++++++++++++++++++++++++++
drivers/iio/adc/Makefile | 3 +++
drivers/{staging => }/iio/adc/ad7606.c | 0
drivers/{staging => }/iio/adc/ad7606.h | 0
drivers/{staging => }/iio/adc/ad7606_par.c | 0
drivers/{staging => }/iio/adc/ad7606_spi.c | 0
drivers/staging/iio/adc/Kconfig | 34 ------------------------------
drivers/staging/iio/adc/Makefile | 4 ----
8 files changed, 37 insertions(+), 38 deletions(-)
rename drivers/{staging => }/iio/adc/ad7606.c (100%)
rename drivers/{staging => }/iio/adc/ad7606.h (100%)
rename drivers/{staging => }/iio/adc/ad7606_par.c (100%)
rename drivers/{staging => }/iio/adc/ad7606_spi.c (100%)
diff --git a/drivers/iio/adc/Kconfig b/drivers/iio/adc/Kconfig
index be81ba3..3fa2c60 100644
--- a/drivers/iio/adc/Kconfig
+++ b/drivers/iio/adc/Kconfig
@@ -58,6 +58,40 @@ config AD7476
To compile this driver as a module, choose M here: the
module will be called ad7476.
+config AD7606
+ tristate "Analog Devices AD7606 ADC driver"
+ depends on GPIOLIB || COMPILE_TEST
+ depends on HAS_IOMEM
+ select IIO_BUFFER
+ select IIO_TRIGGERED_BUFFER
+ help
+ Say yes here to build support for Analog Devices:
+ ad7606, ad7606-6, ad7606-4 analog to digital converters (ADC).
+
+ To compile this driver as a module, choose M here: the
+ module will be called ad7606.
+
+config AD7606_IFACE_PARALLEL
+ tristate "parallel interface support"
+ depends on AD7606
+ help
+ Say yes here to include parallel interface support on the AD7606
+ ADC driver.
+
+ To compile this driver as a module, choose M here: the
+ module will be called ad7606_parallel.
+
+config AD7606_IFACE_SPI
+ tristate "spi interface support"
+ depends on AD7606
+ depends on SPI
+ help
+ Say yes here to include parallel interface support on the AD7606
+ ADC driver.
+
+ To compile this driver as a module, choose M here: the
+ module will be called ad7606_spi.
+
config AD7766
tristate "Analog Devices AD7766/AD7767 ADC driver"
depends on SPI_MASTER
diff --git a/drivers/iio/adc/Makefile b/drivers/iio/adc/Makefile
index f8e1218..dfe7dea 100644
--- a/drivers/iio/adc/Makefile
+++ b/drivers/iio/adc/Makefile
@@ -9,6 +9,9 @@ obj-$(CONFIG_AD7291) += ad7291.o
obj-$(CONFIG_AD7298) += ad7298.o
obj-$(CONFIG_AD7923) += ad7923.o
obj-$(CONFIG_AD7476) += ad7476.o
+obj-$(CONFIG_AD7606_IFACE_PARALLEL) += ad7606_par.o
+obj-$(CONFIG_AD7606_IFACE_SPI) += ad7606_spi.o
+obj-$(CONFIG_AD7606) += ad7606.o
obj-$(CONFIG_AD7766) += ad7766.o
obj-$(CONFIG_AD7791) += ad7791.o
obj-$(CONFIG_AD7793) += ad7793.o
diff --git a/drivers/staging/iio/adc/ad7606.c b/drivers/iio/adc/ad7606.c
similarity index 100%
rename from drivers/staging/iio/adc/ad7606.c
rename to drivers/iio/adc/ad7606.c
diff --git a/drivers/staging/iio/adc/ad7606.h b/drivers/iio/adc/ad7606.h
similarity index 100%
rename from drivers/staging/iio/adc/ad7606.h
rename to drivers/iio/adc/ad7606.h
diff --git a/drivers/staging/iio/adc/ad7606_par.c b/drivers/iio/adc/ad7606_par.c
similarity index 100%
rename from drivers/staging/iio/adc/ad7606_par.c
rename to drivers/iio/adc/ad7606_par.c
diff --git a/drivers/staging/iio/adc/ad7606_spi.c b/drivers/iio/adc/ad7606_spi.c
similarity index 100%
rename from drivers/staging/iio/adc/ad7606_spi.c
rename to drivers/iio/adc/ad7606_spi.c
diff --git a/drivers/staging/iio/adc/Kconfig b/drivers/staging/iio/adc/Kconfig
index deff899..995867b 100644
--- a/drivers/staging/iio/adc/Kconfig
+++ b/drivers/staging/iio/adc/Kconfig
@@ -3,40 +3,6 @@
#
menu "Analog to digital converters"
-config AD7606
- tristate "Analog Devices AD7606 ADC driver"
- depends on GPIOLIB || COMPILE_TEST
- depends on HAS_IOMEM
- select IIO_BUFFER
- select IIO_TRIGGERED_BUFFER
- help
- Say yes here to build support for Analog Devices:
- ad7606, ad7606-6, ad7606-4 analog to digital converters (ADC).
-
- To compile this driver as a module, choose M here: the
- module will be called ad7606.
-
-config AD7606_IFACE_PARALLEL
- tristate "parallel interface support"
- depends on AD7606
- help
- Say yes here to include parallel interface support on the AD7606
- ADC driver.
-
- To compile this driver as a module, choose M here: the
- module will be called ad7606_parallel.
-
-config AD7606_IFACE_SPI
- tristate "spi interface support"
- depends on AD7606
- depends on SPI
- help
- Say yes here to include parallel interface support on the AD7606
- ADC driver.
-
- To compile this driver as a module, choose M here: the
- module will be called ad7606_spi.
-
config AD7780
tristate "Analog Devices AD7780 and similar ADCs driver"
depends on SPI
diff --git a/drivers/staging/iio/adc/Makefile b/drivers/staging/iio/adc/Makefile
index ac09485..549032b 100644
--- a/drivers/staging/iio/adc/Makefile
+++ b/drivers/staging/iio/adc/Makefile
@@ -2,10 +2,6 @@
# Makefile for industrial I/O ADC drivers
#
-obj-$(CONFIG_AD7606_IFACE_PARALLEL) += ad7606_par.o
-obj-$(CONFIG_AD7606_IFACE_SPI) += ad7606_spi.o
-obj-$(CONFIG_AD7606) += ad7606.o
-
obj-$(CONFIG_AD7780) += ad7780.o
obj-$(CONFIG_AD7816) += ad7816.o
obj-$(CONFIG_AD7192) += ad7192.o
--
2.7.4
Hi Eva,
[auto build test WARNING on iio/togreg]
[also build test WARNING on next-20161209]
[cannot apply to v4.9-rc8]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]
url: https://github.com/0day-ci/linux/commits/Eva-Rachel-Retuya/staging-iio-ad7606-move-driver-out-of-staging/20161210-041408
base: https://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio.git togreg
config: blackfin-allmodconfig (attached as .config)
compiler: bfin-uclinux-gcc (GCC) 6.2.0
reproduce:
wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# save the attached .config to linux build tree
make.cross ARCH=blackfin
All warnings (new ones prefixed by >>):
In file included from ./arch/blackfin/include/generated/asm/div64.h:1:0,
from include/linux/kernel.h:142,
from include/linux/interrupt.h:5,
from drivers/iio/adc/ad7606.c:9:
drivers/iio/adc/ad7606.c: In function 'ad7606_probe':
include/asm-generic/div64.h:207:28: warning: comparison of distinct pointer types lacks a cast
(void)(((typeof((n)) *)0) == ((uint64_t *)0)); \
^
>> drivers/iio/adc/ad7606.c:440:27: note: in expansion of macro 'do_div'
st->scale_avail[i][1] = do_div(scale, 100000000) * 10;
^~~~~~
In file included from include/linux/linkage.h:4:0,
from include/linux/kernel.h:6,
from include/linux/interrupt.h:5,
from drivers/iio/adc/ad7606.c:9:
include/asm-generic/div64.h:220:25: warning: right shift count >= width of type [-Wshift-count-overflow]
} else if (likely(((n) >> 32) == 0)) { \
^
include/linux/compiler.h:167:40: note: in definition of macro 'likely'
# define likely(x) __builtin_expect(!!(x), 1)
^
>> drivers/iio/adc/ad7606.c:440:27: note: in expansion of macro 'do_div'
st->scale_avail[i][1] = do_div(scale, 100000000) * 10;
^~~~~~
In file included from ./arch/blackfin/include/generated/asm/div64.h:1:0,
from include/linux/kernel.h:142,
from include/linux/interrupt.h:5,
from drivers/iio/adc/ad7606.c:9:
include/asm-generic/div64.h:224:22: error: passing argument 1 of '__div64_32' from incompatible pointer type [-Werror=incompatible-pointer-types]
__rem = __div64_32(&(n), __base); \
^
>> drivers/iio/adc/ad7606.c:440:27: note: in expansion of macro 'do_div'
st->scale_avail[i][1] = do_div(scale, 100000000) * 10;
^~~~~~
include/asm-generic/div64.h:198:17: note: expected 'uint64_t * {aka long long unsigned int *}' but argument is of type 'unsigned int *'
extern uint32_t __div64_32(uint64_t *dividend, uint32_t divisor);
^~~~~~~~~~
cc1: some warnings being treated as errors
vim +/do_div +440 drivers/iio/adc/ad7606.c
b9618c0c drivers/staging/iio/adc/ad7606_core.c Michael Hennerich 2011-02-22 424
e61181d0 drivers/staging/iio/adc/ad7606_core.c Michael Hennerich 2011-05-18 425 st = iio_priv(indio_dev);
e61181d0 drivers/staging/iio/adc/ad7606_core.c Michael Hennerich 2011-05-18 426
b9618c0c drivers/staging/iio/adc/ad7606_core.c Michael Hennerich 2011-02-22 427 st->dev = dev;
b9618c0c drivers/staging/iio/adc/ad7606_core.c Michael Hennerich 2011-02-22 428 st->bops = bops;
b9618c0c drivers/staging/iio/adc/ad7606_core.c Michael Hennerich 2011-02-22 429 st->base_address = base_address;
c22bfdb9 drivers/staging/iio/adc/ad7606.c Eva Rachel Retuya 2016-12-09 430 /* tied to logic low, analog input range is +/- 5V */
c22bfdb9 drivers/staging/iio/adc/ad7606.c Eva Rachel Retuya 2016-12-09 431 st->range = 0;
e79e8027 drivers/staging/iio/adc/ad7606_core.c Lars-Peter Clausen 2016-10-19 432 st->oversampling = 1;
c22bfdb9 drivers/staging/iio/adc/ad7606.c Eva Rachel Retuya 2016-12-09 433 /* Populate the scales, 2.5/2**16 then 5/2**16 */
c22bfdb9 drivers/staging/iio/adc/ad7606.c Eva Rachel Retuya 2016-12-09 434 range = 5000;
c22bfdb9 drivers/staging/iio/adc/ad7606.c Eva Rachel Retuya 2016-12-09 435 for (i = 0, j = 1; i < ARRAY_SIZE(st->scale_avail); i++, j--) {
c22bfdb9 drivers/staging/iio/adc/ad7606.c Eva Rachel Retuya 2016-12-09 436 scale = ((u64)range * 100000000) >>
c22bfdb9 drivers/staging/iio/adc/ad7606.c Eva Rachel Retuya 2016-12-09 437 ad7606_channels[1].scan_type.realbits;
c22bfdb9 drivers/staging/iio/adc/ad7606.c Eva Rachel Retuya 2016-12-09 438 scale >>= j;
c22bfdb9 drivers/staging/iio/adc/ad7606.c Eva Rachel Retuya 2016-12-09 439
c22bfdb9 drivers/staging/iio/adc/ad7606.c Eva Rachel Retuya 2016-12-09 @440 st->scale_avail[i][1] = do_div(scale, 100000000) * 10;
c22bfdb9 drivers/staging/iio/adc/ad7606.c Eva Rachel Retuya 2016-12-09 441 st->scale_avail[i][0] = scale;
c22bfdb9 drivers/staging/iio/adc/ad7606.c Eva Rachel Retuya 2016-12-09 442 }
fa23105f drivers/staging/iio/adc/ad7606.c Lars-Peter Clausen 2016-10-19 443 INIT_WORK(&st->poll_work, &ad7606_poll_bh_to_ring);
b9618c0c drivers/staging/iio/adc/ad7606_core.c Michael Hennerich 2011-02-22 444
12edb974 drivers/staging/iio/adc/ad7606.c Eva Rachel Retuya 2016-10-20 445 st->reg = devm_regulator_get(dev, "avcc");
f0879217 drivers/staging/iio/adc/ad7606.c Eva Rachel Retuya 2016-10-20 446 if (IS_ERR(st->reg))
f0879217 drivers/staging/iio/adc/ad7606.c Eva Rachel Retuya 2016-10-20 447 return PTR_ERR(st->reg);
f0879217 drivers/staging/iio/adc/ad7606.c Eva Rachel Retuya 2016-10-20 448
:::::: The code at line 440 was first introduced by commit
:::::: c22bfdb966a91ee001c3ab37b8fb070dbebb2510 staging: iio: ad7606: replace range/range_available with corresponding scale
:::::: TO: Eva Rachel Retuya <[email protected]>
:::::: CC: 0day robot <[email protected]>
---
0-DAY kernel test infrastructure Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all Intel Corporation
Hi Eva,
[auto build test WARNING on iio/togreg]
[also build test WARNING on next-20161209]
[cannot apply to v4.9-rc8]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]
url: https://github.com/0day-ci/linux/commits/Eva-Rachel-Retuya/staging-iio-ad7606-move-driver-out-of-staging/20161210-041408
base: https://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio.git togreg
config: xtensa-allyesconfig (attached as .config)
compiler: xtensa-linux-gcc (GCC) 4.9.0
reproduce:
wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# save the attached .config to linux build tree
make.cross ARCH=xtensa
All warnings (new ones prefixed by >>):
In file included from ./arch/xtensa/include/generated/asm/div64.h:1:0,
from include/linux/kernel.h:142,
from include/linux/interrupt.h:5,
from drivers/iio/adc/ad7606.c:9:
drivers/iio/adc/ad7606.c: In function 'ad7606_probe':
include/asm-generic/div64.h:207:28: warning: comparison of distinct pointer types lacks a cast
(void)(((typeof((n)) *)0) == ((uint64_t *)0)); \
^
drivers/iio/adc/ad7606.c:440:27: note: in expansion of macro 'do_div'
st->scale_avail[i][1] = do_div(scale, 100000000) * 10;
^
>> drivers/iio/adc/ad7606.c:440:3: warning: right shift count >= width of type
st->scale_avail[i][1] = do_div(scale, 100000000) * 10;
^
In file included from ./arch/xtensa/include/generated/asm/div64.h:1:0,
from include/linux/kernel.h:142,
from include/linux/interrupt.h:5,
from drivers/iio/adc/ad7606.c:9:
include/asm-generic/div64.h:224:11: warning: passing argument 1 of '__div64_32' from incompatible pointer type
__rem = __div64_32(&(n), __base); \
^
drivers/iio/adc/ad7606.c:440:27: note: in expansion of macro 'do_div'
st->scale_avail[i][1] = do_div(scale, 100000000) * 10;
^
include/asm-generic/div64.h:198:17: note: expected 'uint64_t *' but argument is of type 'unsigned int *'
extern uint32_t __div64_32(uint64_t *dividend, uint32_t divisor);
^
vim +440 drivers/iio/adc/ad7606.c
b9618c0c drivers/staging/iio/adc/ad7606_core.c Michael Hennerich 2011-02-22 424
e61181d0 drivers/staging/iio/adc/ad7606_core.c Michael Hennerich 2011-05-18 425 st = iio_priv(indio_dev);
e61181d0 drivers/staging/iio/adc/ad7606_core.c Michael Hennerich 2011-05-18 426
b9618c0c drivers/staging/iio/adc/ad7606_core.c Michael Hennerich 2011-02-22 427 st->dev = dev;
b9618c0c drivers/staging/iio/adc/ad7606_core.c Michael Hennerich 2011-02-22 428 st->bops = bops;
b9618c0c drivers/staging/iio/adc/ad7606_core.c Michael Hennerich 2011-02-22 429 st->base_address = base_address;
c22bfdb9 drivers/staging/iio/adc/ad7606.c Eva Rachel Retuya 2016-12-09 430 /* tied to logic low, analog input range is +/- 5V */
c22bfdb9 drivers/staging/iio/adc/ad7606.c Eva Rachel Retuya 2016-12-09 431 st->range = 0;
e79e8027 drivers/staging/iio/adc/ad7606_core.c Lars-Peter Clausen 2016-10-19 432 st->oversampling = 1;
c22bfdb9 drivers/staging/iio/adc/ad7606.c Eva Rachel Retuya 2016-12-09 433 /* Populate the scales, 2.5/2**16 then 5/2**16 */
c22bfdb9 drivers/staging/iio/adc/ad7606.c Eva Rachel Retuya 2016-12-09 434 range = 5000;
c22bfdb9 drivers/staging/iio/adc/ad7606.c Eva Rachel Retuya 2016-12-09 435 for (i = 0, j = 1; i < ARRAY_SIZE(st->scale_avail); i++, j--) {
c22bfdb9 drivers/staging/iio/adc/ad7606.c Eva Rachel Retuya 2016-12-09 436 scale = ((u64)range * 100000000) >>
c22bfdb9 drivers/staging/iio/adc/ad7606.c Eva Rachel Retuya 2016-12-09 437 ad7606_channels[1].scan_type.realbits;
c22bfdb9 drivers/staging/iio/adc/ad7606.c Eva Rachel Retuya 2016-12-09 438 scale >>= j;
c22bfdb9 drivers/staging/iio/adc/ad7606.c Eva Rachel Retuya 2016-12-09 439
c22bfdb9 drivers/staging/iio/adc/ad7606.c Eva Rachel Retuya 2016-12-09 @440 st->scale_avail[i][1] = do_div(scale, 100000000) * 10;
c22bfdb9 drivers/staging/iio/adc/ad7606.c Eva Rachel Retuya 2016-12-09 441 st->scale_avail[i][0] = scale;
c22bfdb9 drivers/staging/iio/adc/ad7606.c Eva Rachel Retuya 2016-12-09 442 }
fa23105f drivers/staging/iio/adc/ad7606.c Lars-Peter Clausen 2016-10-19 443 INIT_WORK(&st->poll_work, &ad7606_poll_bh_to_ring);
b9618c0c drivers/staging/iio/adc/ad7606_core.c Michael Hennerich 2011-02-22 444
12edb974 drivers/staging/iio/adc/ad7606.c Eva Rachel Retuya 2016-10-20 445 st->reg = devm_regulator_get(dev, "avcc");
f0879217 drivers/staging/iio/adc/ad7606.c Eva Rachel Retuya 2016-10-20 446 if (IS_ERR(st->reg))
f0879217 drivers/staging/iio/adc/ad7606.c Eva Rachel Retuya 2016-10-20 447 return PTR_ERR(st->reg);
f0879217 drivers/staging/iio/adc/ad7606.c Eva Rachel Retuya 2016-10-20 448
:::::: The code at line 440 was first introduced by commit
:::::: c22bfdb966a91ee001c3ab37b8fb070dbebb2510 staging: iio: ad7606: replace range/range_available with corresponding scale
:::::: TO: Eva Rachel Retuya <[email protected]>
:::::: CC: 0day robot <[email protected]>
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