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staging:iio: Constify static iio_chan_spec arrays 

The per driver iio_chan_spec arrays are usually shared between multiple device
instances. So a single device instance may not modify the iio_chan_spec array
since this would also affect the other device instances. To make this restriction
explicit mark the per driver iio_chan_spec arrays as const.

Conversion was done automatically using the following coccinelle semantic patch:

// <smpl>
@disable optional_qualifier@
identifier channels;
@@
static
+const
struct iio_chan_spec channels[] = ...;
// </smpl>

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
This commit is contained in:
Lars-Peter Clausen 2012-08-09 08:51:00 +01:00 committed by Jonathan Cameron
parent 8e3829c61b
commit f4e4b9558b
22 changed files with 38 additions and 38 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/staging/iio/accel/adis16201_core.c
View File

@ -390,7 +390,7 @@ static int adis16201_write_raw(struct iio_dev *indio_dev,
return -EINVAL;
}
static struct iio_chan_spec adis16201_channels[] = {
static const struct iio_chan_spec adis16201_channels[] = {
{
.type = IIO_VOLTAGE,
.indexed = 1,

2
drivers/staging/iio/accel/adis16203_core.c
View File

@ -355,7 +355,7 @@ static int adis16203_read_raw(struct iio_dev *indio_dev,
}
}
static struct iio_chan_spec adis16203_channels[] = {
static const struct iio_chan_spec adis16203_channels[] = {
{
.type = IIO_VOLTAGE,
.indexed = 1,

2
drivers/staging/iio/accel/adis16204_core.c
View File

@ -397,7 +397,7 @@ static int adis16204_write_raw(struct iio_dev *indio_dev,
return -EINVAL;
}
static struct iio_chan_spec adis16204_channels[] = {
static const struct iio_chan_spec adis16204_channels[] = {
{
.type = IIO_VOLTAGE,
.indexed = 1, /* Note was not previously indexed */

2
drivers/staging/iio/accel/adis16209_core.c
View File

@ -390,7 +390,7 @@ static int adis16209_read_raw(struct iio_dev *indio_dev,
return -EINVAL;
}
static struct iio_chan_spec adis16209_channels[] = {
static const struct iio_chan_spec adis16209_channels[] = {
{
.type = IIO_VOLTAGE,
.indexed = 1,

2
drivers/staging/iio/accel/adis16240_core.c
View File

@ -448,7 +448,7 @@ static int adis16240_write_raw(struct iio_dev *indio_dev,
return -EINVAL;
}
static struct iio_chan_spec adis16240_channels[] = {
static const struct iio_chan_spec adis16240_channels[] = {
{
.type = IIO_VOLTAGE,
.indexed = 1,

2
drivers/staging/iio/accel/kxsd9.c
View File

@ -186,7 +186,7 @@ static int kxsd9_read_raw(struct iio_dev *indio_dev,
.address = KXSD9_REG_##axis, \
}
static struct iio_chan_spec kxsd9_channels[] = {
static const struct iio_chan_spec kxsd9_channels[] = {
KXSD9_ACCEL_CHAN(X), KXSD9_ACCEL_CHAN(Y), KXSD9_ACCEL_CHAN(Z),
{
.type = IIO_VOLTAGE,

2
drivers/staging/iio/accel/lis3l02dq_core.c
View File

@ -538,7 +538,7 @@ static irqreturn_t lis3l02dq_event_handler(int irq, void *private)
.event_mask = LIS3L02DQ_EVENT_MASK, \
}
static struct iio_chan_spec lis3l02dq_channels[] = {
static const struct iio_chan_spec lis3l02dq_channels[] = {
LIS3L02DQ_CHAN(0, IIO_MOD_X),
LIS3L02DQ_CHAN(1, IIO_MOD_Y),
LIS3L02DQ_CHAN(2, IIO_MOD_Z),

2
drivers/staging/iio/accel/sca3000_core.c
View File

@ -450,7 +450,7 @@ static IIO_DEVICE_ATTR(revision, S_IRUGO, sca3000_show_rev, NULL, 0);
.event_mask = SCA3000_EVENT_MASK, \
}
static struct iio_chan_spec sca3000_channels[] = {
static const struct iio_chan_spec sca3000_channels[] = {
SCA3000_CHAN(0, IIO_MOD_X),
SCA3000_CHAN(1, IIO_MOD_Y),
SCA3000_CHAN(2, IIO_MOD_Z),

2
drivers/staging/iio/adc/ad7192.c
View File

@ -967,7 +967,7 @@ static const struct iio_info ad7195_info = {
.scan_index = _si, \
.scan_type = IIO_ST('s', 24, 32, 0)}
static struct iio_chan_spec ad7192_channels[] = {
static const struct iio_chan_spec ad7192_channels[] = {
AD7192_CHAN_DIFF(1, 2, NULL, AD7192_CH_AIN1P_AIN2M, 0),
AD7192_CHAN_DIFF(3, 4, NULL, AD7192_CH_AIN3P_AIN4M, 1),
AD7192_CHAN_TEMP(0, AD7192_CH_TEMP, 2),

2
drivers/staging/iio/adc/ad7298_core.c
View File

@ -38,7 +38,7 @@
}, \
}
static struct iio_chan_spec ad7298_channels[] = {
static const struct iio_chan_spec ad7298_channels[] = {
{
.type = IIO_TEMP,
.indexed = 1,

2
drivers/staging/iio/adc/ad7606.h
View File

@ -51,7 +51,7 @@ struct ad7606_platform_data {
struct ad7606_chip_info {
const char *name;
u16 int_vref_mv;
struct iio_chan_spec *channels;
const struct iio_chan_spec *channels;
unsigned num_channels;
};

6
drivers/staging/iio/adc/ad7606_core.c
View File

@ -241,7 +241,7 @@ static const struct attribute_group ad7606_attribute_group_range = {
.scan_type = IIO_ST('s', 16, 16, 0), \
}
static struct iio_chan_spec ad7606_8_channels[] = {
static const struct iio_chan_spec ad7606_8_channels[] = {
AD7606_CHANNEL(0),
AD7606_CHANNEL(1),
AD7606_CHANNEL(2),
@ -253,7 +253,7 @@ static struct iio_chan_spec ad7606_8_channels[] = {
IIO_CHAN_SOFT_TIMESTAMP(8),
};
static struct iio_chan_spec ad7606_6_channels[] = {
static const struct iio_chan_spec ad7606_6_channels[] = {
AD7606_CHANNEL(0),
AD7606_CHANNEL(1),
AD7606_CHANNEL(2),
@ -263,7 +263,7 @@ static struct iio_chan_spec ad7606_6_channels[] = {
IIO_CHAN_SOFT_TIMESTAMP(6),
};
static struct iio_chan_spec ad7606_4_channels[] = {
static const struct iio_chan_spec ad7606_4_channels[] = {
AD7606_CHANNEL(0),
AD7606_CHANNEL(1),
AD7606_CHANNEL(2),

2
drivers/staging/iio/adc/lpc32xx_adc.c
View File

@ -108,7 +108,7 @@ static const struct iio_info lpc32xx_adc_iio_info = {
.scan_index = _index, \
}
static struct iio_chan_spec lpc32xx_adc_iio_channels[] = {
static const struct iio_chan_spec lpc32xx_adc_iio_channels[] = {
LPC32XX_ADC_CHANNEL(0),
LPC32XX_ADC_CHANNEL(1),
LPC32XX_ADC_CHANNEL(2),

2
drivers/staging/iio/adc/max1363.h
View File

@ -100,7 +100,7 @@ enum max1363_modes {
*/
struct max1363_chip_info {
const struct iio_info *info;
struct iio_chan_spec *channels;
const struct iio_chan_spec *channels;
int num_channels;
const enum max1363_modes *mode_list;
enum max1363_modes default_mode;

26
drivers/staging/iio/adc/max1363_core.c
View File

@ -335,12 +335,12 @@ static const enum max1363_modes max1363_mode_list[] = {
IIO_CHAN_SOFT_TIMESTAMP(8) \
}
static struct iio_chan_spec max1036_channels[] = MAX1363_4X_CHANS(8, 0);
static struct iio_chan_spec max1136_channels[] = MAX1363_4X_CHANS(10, 0);
static struct iio_chan_spec max1236_channels[] = MAX1363_4X_CHANS(12, 0);
static struct iio_chan_spec max1361_channels[] =
static const struct iio_chan_spec max1036_channels[] = MAX1363_4X_CHANS(8, 0);
static const struct iio_chan_spec max1136_channels[] = MAX1363_4X_CHANS(10, 0);
static const struct iio_chan_spec max1236_channels[] = MAX1363_4X_CHANS(12, 0);
static const struct iio_chan_spec max1361_channels[] =
MAX1363_4X_CHANS(10, MAX1363_EV_M);
static struct iio_chan_spec max1363_channels[] =
static const struct iio_chan_spec max1363_channels[] =
MAX1363_4X_CHANS(12, MAX1363_EV_M);
/* Applies to max1236, max1237 */
@ -392,9 +392,9 @@ static const enum max1363_modes max1238_mode_list[] = {
MAX1363_CHAN_B(11, 10, d11m10, 23, bits, 0), \
IIO_CHAN_SOFT_TIMESTAMP(24) \
}
static struct iio_chan_spec max1038_channels[] = MAX1363_12X_CHANS(8);
static struct iio_chan_spec max1138_channels[] = MAX1363_12X_CHANS(10);
static struct iio_chan_spec max1238_channels[] = MAX1363_12X_CHANS(12);
static const struct iio_chan_spec max1038_channels[] = MAX1363_12X_CHANS(8);
static const struct iio_chan_spec max1138_channels[] = MAX1363_12X_CHANS(10);
static const struct iio_chan_spec max1238_channels[] = MAX1363_12X_CHANS(12);
static const enum max1363_modes max11607_mode_list[] = {
_s0, _s1, _s2, _s3,
@ -433,9 +433,9 @@ static const enum max1363_modes max11608_mode_list[] = {
MAX1363_CHAN_B(7, 6, d7m6, 15, bits, 0), \
IIO_CHAN_SOFT_TIMESTAMP(16) \
}
static struct iio_chan_spec max11602_channels[] = MAX1363_8X_CHANS(8);
static struct iio_chan_spec max11608_channels[] = MAX1363_8X_CHANS(10);
static struct iio_chan_spec max11614_channels[] = MAX1363_8X_CHANS(12);
static const struct iio_chan_spec max11602_channels[] = MAX1363_8X_CHANS(8);
static const struct iio_chan_spec max11608_channels[] = MAX1363_8X_CHANS(10);
static const struct iio_chan_spec max11614_channels[] = MAX1363_8X_CHANS(12);
static const enum max1363_modes max11644_mode_list[] = {
_s0, _s1, s0to1, d0m1, d1m0,
@ -449,8 +449,8 @@ static const enum max1363_modes max11644_mode_list[] = {
IIO_CHAN_SOFT_TIMESTAMP(4) \
}
static struct iio_chan_spec max11646_channels[] = MAX1363_2X_CHANS(10);
static struct iio_chan_spec max11644_channels[] = MAX1363_2X_CHANS(12);
static const struct iio_chan_spec max11646_channels[] = MAX1363_2X_CHANS(10);
static const struct iio_chan_spec max11644_channels[] = MAX1363_2X_CHANS(12);
enum { max1361,
max1362,

2
drivers/staging/iio/adc/spear_adc.c
View File

@ -189,7 +189,7 @@ static int spear_read_raw(struct iio_dev *indio_dev,
}, \
}
static struct iio_chan_spec spear_adc_iio_channels[] = {
static const struct iio_chan_spec spear_adc_iio_channels[] = {
SPEAR_ADC_CHAN(0),
SPEAR_ADC_CHAN(1),
SPEAR_ADC_CHAN(2),

2
drivers/staging/iio/iio_simple_dummy.c
View File

@ -63,7 +63,7 @@ static const struct iio_dummy_accel_calibscale dummy_scales[] = {
* This array of structures tells the IIO core about what the device
* actually provides for a given channel.
*/
static struct iio_chan_spec iio_dummy_channels[] = {
static const struct iio_chan_spec iio_dummy_channels[] = {
/* indexed ADC channel in_voltage0_raw etc */
{
.type = IIO_VOLTAGE,

2
drivers/staging/iio/impedance-analyzer/ad5933.c
View File

@ -108,7 +108,7 @@ static struct ad5933_platform_data ad5933_default_pdata = {
.vref_mv = 3300,
};
static struct iio_chan_spec ad5933_channels[] = {
static const struct iio_chan_spec ad5933_channels[] = {
{
.type = IIO_TEMP,
.indexed = 1,

6
drivers/staging/iio/imu/adis16400_core.c
View File

@ -610,7 +610,7 @@ static int adis16400_read_raw(struct iio_dev *indio_dev,
}
}
static struct iio_chan_spec adis16400_channels[] = {
static const struct iio_chan_spec adis16400_channels[] = {
{
.type = IIO_VOLTAGE,
.indexed = 1,
@ -740,7 +740,7 @@ static struct iio_chan_spec adis16400_channels[] = {
IIO_CHAN_SOFT_TIMESTAMP(12)
};
static struct iio_chan_spec adis16350_channels[] = {
static const struct iio_chan_spec adis16350_channels[] = {
{
.type = IIO_VOLTAGE,
.indexed = 1,
@ -865,7 +865,7 @@ static struct iio_chan_spec adis16350_channels[] = {
IIO_CHAN_SOFT_TIMESTAMP(11)
};
static struct iio_chan_spec adis16300_channels[] = {
static const struct iio_chan_spec adis16300_channels[] = {
{
.type = IIO_VOLTAGE,
.indexed = 1,

2
drivers/staging/iio/meter/ade7758.h
View File

@ -122,7 +122,7 @@ struct ade7758_state {
u8 *tx;
u8 *rx;
struct mutex buf_lock;
struct iio_chan_spec *ade7758_ring_channels;
const struct iio_chan_spec *ade7758_ring_channels;
struct spi_transfer ring_xfer[4];
struct spi_message ring_msg;
/*

2
drivers/staging/iio/meter/ade7758_core.c
View File

@ -661,7 +661,7 @@ static const struct attribute_group ade7758_attribute_group = {
.attrs = ade7758_attributes,
};
static struct iio_chan_spec ade7758_channels[] = {
static const struct iio_chan_spec ade7758_channels[] = {
{
.type = IIO_VOLTAGE,
.indexed = 1,

2
drivers/staging/iio/resolver/ad2s1210.c
View File

@ -575,7 +575,7 @@ static IIO_DEVICE_ATTR(lot_low_thrd, S_IRUGO | S_IWUSR,
AD2S1210_REG_LOT_LOW_THRD);
static struct iio_chan_spec ad2s1210_channels[] = {
static const struct iio_chan_spec ad2s1210_channels[] = {
{
.type = IIO_ANGL,
.indexed = 1,