Most of the comedi drivers that provide readback for write only subdevices now
use the comedi core comedi_alloc_subdev_readback() helper to allocate the
subdevice
'reaback' member instead of using some member in their private data. These
drivers
also hook up the (*insn_read) callback to the comedi_readback_insn_read()
helper to
provide the readback.
Have the core automatically hook up the (*insn_read) callback after allocating
the
memory if the driver has not already hooked it up to a private function.
Signed-off-by: H Hartley Sweeten <hswee...@visionengravers.com>
Cc: Ian Abbott <abbo...@mev.co.uk>
Cc: Greg Kroah-Hartman <gre...@linuxfoundation.org>
---
v2: Only hook up the default (*insn_read) if the driver has not already
hooked it to a private function (suggested by Ian Abbott). The rest
of this series is unchanged.
drivers/staging/comedi/drivers.c | 4 ++++
drivers/staging/comedi/drivers/addi_apci_3120.c | 1 -
drivers/staging/comedi/drivers/addi_apci_3501.c | 1 -
drivers/staging/comedi/drivers/addi_apci_3xxx.c | 1 -
drivers/staging/comedi/drivers/adl_pci6208.c | 1 -
drivers/staging/comedi/drivers/adl_pci9111.c | 1 -
drivers/staging/comedi/drivers/adl_pci9118.c | 1 -
drivers/staging/comedi/drivers/aio_aio12_8.c | 1 -
drivers/staging/comedi/drivers/amplc_pci224.c | 1 -
drivers/staging/comedi/drivers/amplc_pci230.c | 1 -
drivers/staging/comedi/drivers/cb_das16_cs.c | 1 -
drivers/staging/comedi/drivers/cb_pcidas.c | 1 -
drivers/staging/comedi/drivers/cb_pcidas64.c | 1 -
drivers/staging/comedi/drivers/cb_pcimdas.c | 1 -
drivers/staging/comedi/drivers/dac02.c | 1 -
drivers/staging/comedi/drivers/daqboard2000.c | 1 -
drivers/staging/comedi/drivers/das08.c | 1 -
drivers/staging/comedi/drivers/das16.c | 1 -
drivers/staging/comedi/drivers/dmm32at.c | 1 -
drivers/staging/comedi/drivers/dt2801.c | 1 -
drivers/staging/comedi/drivers/dt2811.c | 1 -
drivers/staging/comedi/drivers/dt282x.c | 1 -
drivers/staging/comedi/drivers/dt3000.c | 1 -
drivers/staging/comedi/drivers/fl512.c | 1 -
drivers/staging/comedi/drivers/icp_multi.c | 1 -
drivers/staging/comedi/drivers/ii_pci20kc.c | 1 -
drivers/staging/comedi/drivers/me4000.c | 1 -
drivers/staging/comedi/drivers/me_daq.c | 1 -
drivers/staging/comedi/drivers/mf6x4.c | 1 -
drivers/staging/comedi/drivers/multiq3.c | 1 -
drivers/staging/comedi/drivers/ni_670x.c | 1 -
drivers/staging/comedi/drivers/ni_at_ao.c | 1 -
drivers/staging/comedi/drivers/ni_atmio16d.c | 1 -
drivers/staging/comedi/drivers/ni_mio_common.c | 1 -
drivers/staging/comedi/drivers/pcl711.c | 1 -
drivers/staging/comedi/drivers/pcl726.c | 1 -
drivers/staging/comedi/drivers/pcl812.c | 1 -
drivers/staging/comedi/drivers/pcl818.c | 1 -
drivers/staging/comedi/drivers/pcmmio.c | 1 -
drivers/staging/comedi/drivers/quatech_daqp_cs.c | 1 -
drivers/staging/comedi/drivers/rtd520.c | 1 -
drivers/staging/comedi/drivers/rti800.c | 1 -
drivers/staging/comedi/drivers/rti802.c | 1 -
drivers/staging/comedi/drivers/s526.c | 1 -
drivers/staging/comedi/drivers/s626.c | 1 -
45 files changed, 4 insertions(+), 44 deletions(-)
diff --git a/drivers/staging/comedi/drivers.c b/drivers/staging/comedi/drivers.c
index e516ed9..61802d7 100644
--- a/drivers/staging/comedi/drivers.c
+++ b/drivers/staging/comedi/drivers.c
@@ -109,6 +109,10 @@ int comedi_alloc_subdev_readback(struct comedi_subdevice
*s)
s->readback = kcalloc(s->n_chan, sizeof(*s->readback), GFP_KERNEL);
if (!s->readback)
return -ENOMEM;
+
+ if (!s->insn_read)
+ s->insn_read = comedi_readback_insn_read;
+
return 0;
}
EXPORT_SYMBOL_GPL(comedi_alloc_subdev_readback);
diff --git a/drivers/staging/comedi/drivers/addi_apci_3120.c
b/drivers/staging/comedi/drivers/addi_apci_3120.c
index e9816e7..c65f940 100644
--- a/drivers/staging/comedi/drivers/addi_apci_3120.c
+++ b/drivers/staging/comedi/drivers/addi_apci_3120.c
@@ -1051,7 +1051,6 @@ static int apci3120_auto_attach(struct comedi_device *dev,
s->maxdata = 0x3fff;
s->range_table = &range_bipolar10;
s->insn_write = apci3120_ao_insn_write;
- s->insn_read = comedi_readback_insn_read;
ret = comedi_alloc_subdev_readback(s);
if (ret)
diff --git a/drivers/staging/comedi/drivers/addi_apci_3501.c
b/drivers/staging/comedi/drivers/addi_apci_3501.c
index 7924523..a726efc 100644
--- a/drivers/staging/comedi/drivers/addi_apci_3501.c
+++ b/drivers/staging/comedi/drivers/addi_apci_3501.c
@@ -362,7 +362,6 @@ static int apci3501_auto_attach(struct comedi_device *dev,
s->maxdata = 0x3fff;
s->range_table = &apci3501_ao_range;
s->insn_write = apci3501_ao_insn_write;
- s->insn_read = comedi_readback_insn_read;
ret = comedi_alloc_subdev_readback(s);
if (ret)
diff --git a/drivers/staging/comedi/drivers/addi_apci_3xxx.c
b/drivers/staging/comedi/drivers/addi_apci_3xxx.c
index 630d778..c173810 100644
--- a/drivers/staging/comedi/drivers/addi_apci_3xxx.c
+++ b/drivers/staging/comedi/drivers/addi_apci_3xxx.c
@@ -854,7 +854,6 @@ static int apci3xxx_auto_attach(struct comedi_device *dev,
s->maxdata = 0x0fff;
s->range_table = &apci3xxx_ao_range;
s->insn_write = apci3xxx_ao_insn_write;
- s->insn_read = comedi_readback_insn_read;
ret = comedi_alloc_subdev_readback(s);
if (ret)
diff --git a/drivers/staging/comedi/drivers/adl_pci6208.c
b/drivers/staging/comedi/drivers/adl_pci6208.c
index 0ad46fe..528f15c 100644
--- a/drivers/staging/comedi/drivers/adl_pci6208.c
+++ b/drivers/staging/comedi/drivers/adl_pci6208.c
@@ -169,7 +169,6 @@ static int pci6208_auto_attach(struct comedi_device *dev,
s->maxdata = 0xffff;
s->range_table = &range_bipolar10;
s->insn_write = pci6208_ao_insn_write;
- s->insn_read = comedi_readback_insn_read;
ret = comedi_alloc_subdev_readback(s);
if (ret)
diff --git a/drivers/staging/comedi/drivers/adl_pci9111.c
b/drivers/staging/comedi/drivers/adl_pci9111.c
index 539eb94..47f6c0e 100644
--- a/drivers/staging/comedi/drivers/adl_pci9111.c
+++ b/drivers/staging/comedi/drivers/adl_pci9111.c
@@ -731,7 +731,6 @@ static int pci9111_auto_attach(struct comedi_device *dev,
s->len_chanlist = 1;
s->range_table = &range_bipolar10;
s->insn_write = pci9111_ao_insn_write;
- s->insn_read = comedi_readback_insn_read;
ret = comedi_alloc_subdev_readback(s);
if (ret)
diff --git a/drivers/staging/comedi/drivers/adl_pci9118.c
b/drivers/staging/comedi/drivers/adl_pci9118.c
index 498e0c7..5e0ff9d 100644
--- a/drivers/staging/comedi/drivers/adl_pci9118.c
+++ b/drivers/staging/comedi/drivers/adl_pci9118.c
@@ -1588,7 +1588,6 @@ static int pci9118_common_attach(struct comedi_device
*dev,
s->maxdata = 0x0fff;
s->range_table = &range_bipolar10;
s->insn_write = pci9118_ao_insn_write;
- s->insn_read = comedi_readback_insn_read;
ret = comedi_alloc_subdev_readback(s);
if (ret)
diff --git a/drivers/staging/comedi/drivers/aio_aio12_8.c
b/drivers/staging/comedi/drivers/aio_aio12_8.c
index 538277a..fbc3e5a 100644
--- a/drivers/staging/comedi/drivers/aio_aio12_8.c
+++ b/drivers/staging/comedi/drivers/aio_aio12_8.c
@@ -212,7 +212,6 @@ static int aio_aio12_8_attach(struct comedi_device *dev,
s->maxdata = 0x0fff;
s->range_table = &range_aio_aio12_8;
s->insn_write = aio_aio12_8_ao_insn_write;
- s->insn_read = comedi_readback_insn_read;
ret = comedi_alloc_subdev_readback(s);
if (ret)
diff --git a/drivers/staging/comedi/drivers/amplc_pci224.c
b/drivers/staging/comedi/drivers/amplc_pci224.c
index a896f01..924c829 100644
--- a/drivers/staging/comedi/drivers/amplc_pci224.c
+++ b/drivers/staging/comedi/drivers/amplc_pci224.c
@@ -1075,7 +1075,6 @@ pci224_auto_attach(struct comedi_device *dev, unsigned
long context_model)
s->maxdata = (1 << thisboard->ao_bits) - 1;
s->range_table = thisboard->ao_range;
s->insn_write = pci224_ao_insn_write;
- s->insn_read = comedi_readback_insn_read;
s->len_chanlist = s->n_chan;
dev->write_subdev = s;
s->do_cmd = pci224_ao_cmd;
diff --git a/drivers/staging/comedi/drivers/amplc_pci230.c
b/drivers/staging/comedi/drivers/amplc_pci230.c
index fb0b70f..49806a5 100644
--- a/drivers/staging/comedi/drivers/amplc_pci230.c
+++ b/drivers/staging/comedi/drivers/amplc_pci230.c
@@ -2511,7 +2511,6 @@ static int pci230_auto_attach(struct comedi_device *dev,
s->maxdata = (1 << thisboard->ao_bits) - 1;
s->range_table = &pci230_ao_range;
s->insn_write = pci230_ao_insn_write;
- s->insn_read = comedi_readback_insn_read;
s->len_chanlist = 2;
if (dev->irq) {
dev->write_subdev = s;
diff --git a/drivers/staging/comedi/drivers/cb_das16_cs.c
b/drivers/staging/comedi/drivers/cb_das16_cs.c
index f88880a..0a48d2a 100644
--- a/drivers/staging/comedi/drivers/cb_das16_cs.c
+++ b/drivers/staging/comedi/drivers/cb_das16_cs.c
@@ -305,7 +305,6 @@ static int das16cs_auto_attach(struct comedi_device *dev,
s->maxdata = 0xffff;
s->range_table = &range_bipolar10;
s->insn_write = &das16cs_ao_insn_write;
- s->insn_read = comedi_readback_insn_read;
ret = comedi_alloc_subdev_readback(s);
if (ret)
diff --git a/drivers/staging/comedi/drivers/cb_pcidas.c
b/drivers/staging/comedi/drivers/cb_pcidas.c
index 10c67fe..35c6305 100644
--- a/drivers/staging/comedi/drivers/cb_pcidas.c
+++ b/drivers/staging/comedi/drivers/cb_pcidas.c
@@ -1478,7 +1478,6 @@ static int cb_pcidas_auto_attach(struct comedi_device
*dev,
s->range_table = &cb_pcidas_ao_ranges;
/* default to no fifo (*insn_write) */
s->insn_write = cb_pcidas_ao_nofifo_winsn;
- s->insn_read = comedi_readback_insn_read;
ret = comedi_alloc_subdev_readback(s);
if (ret)
diff --git a/drivers/staging/comedi/drivers/cb_pcidas64.c
b/drivers/staging/comedi/drivers/cb_pcidas64.c
index 05da5b3..4762e6a 100644
--- a/drivers/staging/comedi/drivers/cb_pcidas64.c
+++ b/drivers/staging/comedi/drivers/cb_pcidas64.c
@@ -3786,7 +3786,6 @@ static int setup_subdevices(struct comedi_device *dev)
s->maxdata = (1 << thisboard->ao_bits) - 1;
s->range_table = thisboard->ao_range_table;
s->insn_write = ao_winsn;
- s->insn_read = comedi_readback_insn_read;
ret = comedi_alloc_subdev_readback(s);
if (ret)
diff --git a/drivers/staging/comedi/drivers/cb_pcimdas.c
b/drivers/staging/comedi/drivers/cb_pcimdas.c
index 73e5c96..70dd2c9 100644
--- a/drivers/staging/comedi/drivers/cb_pcimdas.c
+++ b/drivers/staging/comedi/drivers/cb_pcimdas.c
@@ -226,7 +226,6 @@ static int cb_pcimdas_auto_attach(struct comedi_device *dev,
/* ranges are hardware settable, but not software readable. */
s->range_table = &range_unknown;
s->insn_write = cb_pcimdas_ao_insn_write;
- s->insn_read = comedi_readback_insn_read;
ret = comedi_alloc_subdev_readback(s);
if (ret)
diff --git a/drivers/staging/comedi/drivers/dac02.c
b/drivers/staging/comedi/drivers/dac02.c
index 34cbe83..beb36c8 100644
--- a/drivers/staging/comedi/drivers/dac02.c
+++ b/drivers/staging/comedi/drivers/dac02.c
@@ -129,7 +129,6 @@ static int dac02_attach(struct comedi_device *dev, struct
comedi_devconfig *it)
s->maxdata = 0x0fff;
s->range_table = &das02_ao_ranges;
s->insn_write = dac02_ao_insn_write;
- s->insn_read = comedi_readback_insn_read;
ret = comedi_alloc_subdev_readback(s);
if (ret)
diff --git a/drivers/staging/comedi/drivers/daqboard2000.c
b/drivers/staging/comedi/drivers/daqboard2000.c
index e5b5a81..96697fb 100644
--- a/drivers/staging/comedi/drivers/daqboard2000.c
+++ b/drivers/staging/comedi/drivers/daqboard2000.c
@@ -707,7 +707,6 @@ static int daqboard2000_auto_attach(struct comedi_device
*dev,
s->n_chan = 2;
s->maxdata = 0xffff;
s->insn_write = daqboard2000_ao_insn_write;
- s->insn_read = comedi_readback_insn_read;
s->range_table = &range_bipolar10;
result = comedi_alloc_subdev_readback(s);
diff --git a/drivers/staging/comedi/drivers/das08.c
b/drivers/staging/comedi/drivers/das08.c
index cdf71f9..20a9f0e 100644
--- a/drivers/staging/comedi/drivers/das08.c
+++ b/drivers/staging/comedi/drivers/das08.c
@@ -474,7 +474,6 @@ int das08_common_attach(struct comedi_device *dev, unsigned
long iobase)
s->maxdata = (1 << thisboard->ao_nbits) - 1;
s->range_table = &range_bipolar5;
s->insn_write = das08_ao_insn_write;
- s->insn_read = comedi_readback_insn_read;
ret = comedi_alloc_subdev_readback(s);
if (ret)
diff --git a/drivers/staging/comedi/drivers/das16.c
b/drivers/staging/comedi/drivers/das16.c
index 8de2705..2436057 100644
--- a/drivers/staging/comedi/drivers/das16.c
+++ b/drivers/staging/comedi/drivers/das16.c
@@ -1175,7 +1175,6 @@ static int das16_attach(struct comedi_device *dev, struct
comedi_devconfig *it)
s->maxdata = 0x0fff;
s->range_table = devpriv->user_ao_range_table;
s->insn_write = das16_ao_insn_write;
- s->insn_read = comedi_readback_insn_read;
ret = comedi_alloc_subdev_readback(s);
if (ret)
diff --git a/drivers/staging/comedi/drivers/dmm32at.c
b/drivers/staging/comedi/drivers/dmm32at.c
index 0973226..6df298a 100644
--- a/drivers/staging/comedi/drivers/dmm32at.c
+++ b/drivers/staging/comedi/drivers/dmm32at.c
@@ -601,7 +601,6 @@ static int dmm32at_attach(struct comedi_device *dev,
s->maxdata = 0x0fff;
s->range_table = &dmm32at_aoranges;
s->insn_write = dmm32at_ao_insn_write;
- s->insn_read = comedi_readback_insn_read;
ret = comedi_alloc_subdev_readback(s);
if (ret)
diff --git a/drivers/staging/comedi/drivers/dt2801.c
b/drivers/staging/comedi/drivers/dt2801.c
index e973863..b96e60f 100644
--- a/drivers/staging/comedi/drivers/dt2801.c
+++ b/drivers/staging/comedi/drivers/dt2801.c
@@ -597,7 +597,6 @@ havetype:
devpriv->dac_range_types[0] = dac_range_lkup(it->options[4]);
devpriv->dac_range_types[1] = dac_range_lkup(it->options[5]);
s->insn_write = dt2801_ao_insn_write;
- s->insn_read = comedi_readback_insn_read;
ret = comedi_alloc_subdev_readback(s);
if (ret)
diff --git a/drivers/staging/comedi/drivers/dt2811.c
b/drivers/staging/comedi/drivers/dt2811.c
index 1736e39..d660f27 100644
--- a/drivers/staging/comedi/drivers/dt2811.c
+++ b/drivers/staging/comedi/drivers/dt2811.c
@@ -418,7 +418,6 @@ static int dt2811_attach(struct comedi_device *dev, struct
comedi_devconfig *it)
devpriv->range_type_list[0] = dac_range_types[devpriv->dac_range[0]];
devpriv->range_type_list[1] = dac_range_types[devpriv->dac_range[1]];
s->insn_write = dt2811_ao_insn_write;
- s->insn_read = comedi_readback_insn_read;
ret = comedi_alloc_subdev_readback(s);
if (ret)
diff --git a/drivers/staging/comedi/drivers/dt282x.c
b/drivers/staging/comedi/drivers/dt282x.c
index 674e03e..2be98bb 100644
--- a/drivers/staging/comedi/drivers/dt282x.c
+++ b/drivers/staging/comedi/drivers/dt282x.c
@@ -1231,7 +1231,6 @@ static int dt282x_attach(struct comedi_device *dev,
struct comedi_devconfig *it)
/* ranges are per-channel, set by jumpers on the board */
s->range_table = &dt282x_ao_range;
s->insn_write = dt282x_ao_insn_write;
- s->insn_read = comedi_readback_insn_read;
if (dev->irq) {
dev->write_subdev = s;
s->subdev_flags |= SDF_CMD_WRITE;
diff --git a/drivers/staging/comedi/drivers/dt3000.c
b/drivers/staging/comedi/drivers/dt3000.c
index c2058ba..1d9a7a6 100644
--- a/drivers/staging/comedi/drivers/dt3000.c
+++ b/drivers/staging/comedi/drivers/dt3000.c
@@ -697,7 +697,6 @@ static int dt3000_auto_attach(struct comedi_device *dev,
s->len_chanlist = 1;
s->range_table = &range_bipolar10;
s->insn_write = dt3k_ao_insn_write;
- s->insn_read = comedi_readback_insn_read;
ret = comedi_alloc_subdev_readback(s);
if (ret)
diff --git a/drivers/staging/comedi/drivers/fl512.c
b/drivers/staging/comedi/drivers/fl512.c
index 5a1e3c8..e1f4932 100644
--- a/drivers/staging/comedi/drivers/fl512.c
+++ b/drivers/staging/comedi/drivers/fl512.c
@@ -135,7 +135,6 @@ static int fl512_attach(struct comedi_device *dev, struct
comedi_devconfig *it)
s->maxdata = 0x0fff;
s->range_table = &range_fl512;
s->insn_write = fl512_ao_insn_write;
- s->insn_read = comedi_readback_insn_read;
ret = comedi_alloc_subdev_readback(s);
if (ret)
diff --git a/drivers/staging/comedi/drivers/icp_multi.c
b/drivers/staging/comedi/drivers/icp_multi.c
index fbbcab2..1ea1686 100644
--- a/drivers/staging/comedi/drivers/icp_multi.c
+++ b/drivers/staging/comedi/drivers/icp_multi.c
@@ -495,7 +495,6 @@ static int icp_multi_auto_attach(struct comedi_device *dev,
s->len_chanlist = 4;
s->range_table = &range_analog;
s->insn_write = icp_multi_ao_insn_write;
- s->insn_read = comedi_readback_insn_read;
ret = comedi_alloc_subdev_readback(s);
if (ret)
diff --git a/drivers/staging/comedi/drivers/ii_pci20kc.c
b/drivers/staging/comedi/drivers/ii_pci20kc.c
index cc5fd75..1085d66 100644
--- a/drivers/staging/comedi/drivers/ii_pci20kc.c
+++ b/drivers/staging/comedi/drivers/ii_pci20kc.c
@@ -392,7 +392,6 @@ static int ii20k_init_module(struct comedi_device *dev,
s->maxdata = 0xffff;
s->range_table = &ii20k_ao_ranges;
s->insn_write = ii20k_ao_insn_write;
- s->insn_read = comedi_readback_insn_read;
ret = comedi_alloc_subdev_readback(s);
if (ret)
diff --git a/drivers/staging/comedi/drivers/me4000.c
b/drivers/staging/comedi/drivers/me4000.c
index ae6ac49..208b1c7 100644
--- a/drivers/staging/comedi/drivers/me4000.c
+++ b/drivers/staging/comedi/drivers/me4000.c
@@ -1426,7 +1426,6 @@ static int me4000_auto_attach(struct comedi_device *dev,
s->maxdata = 0xFFFF; /* 16 bit DAC */
s->range_table = &range_bipolar10;
s->insn_write = me4000_ao_insn_write;
- s->insn_read = comedi_readback_insn_read;
result = comedi_alloc_subdev_readback(s);
if (result)
diff --git a/drivers/staging/comedi/drivers/me_daq.c
b/drivers/staging/comedi/drivers/me_daq.c
index 9dec9c1..b5278c1 100644
--- a/drivers/staging/comedi/drivers/me_daq.c
+++ b/drivers/staging/comedi/drivers/me_daq.c
@@ -517,7 +517,6 @@ static int me_auto_attach(struct comedi_device *dev,
s->len_chanlist = 4;
s->range_table = &me_ao_range;
s->insn_write = me_ao_insn_write;
- s->insn_read = comedi_readback_insn_read;
ret = comedi_alloc_subdev_readback(s);
if (ret)
diff --git a/drivers/staging/comedi/drivers/mf6x4.c
b/drivers/staging/comedi/drivers/mf6x4.c
index c8d3a22..af21bc1 100644
--- a/drivers/staging/comedi/drivers/mf6x4.c
+++ b/drivers/staging/comedi/drivers/mf6x4.c
@@ -259,7 +259,6 @@ static int mf6x4_auto_attach(struct comedi_device *dev,
unsigned long context)
s->maxdata = 0x3fff; /* 14 bits DAC */
s->range_table = &range_bipolar10;
s->insn_write = mf6x4_ao_insn_write;
- s->insn_read = comedi_readback_insn_read;
ret = comedi_alloc_subdev_readback(s);
if (ret)
diff --git a/drivers/staging/comedi/drivers/multiq3.c
b/drivers/staging/comedi/drivers/multiq3.c
index f710c8e..8471219 100644
--- a/drivers/staging/comedi/drivers/multiq3.c
+++ b/drivers/staging/comedi/drivers/multiq3.c
@@ -238,7 +238,6 @@ static int multiq3_attach(struct comedi_device *dev,
s->maxdata = 0xfff;
s->range_table = &range_bipolar5;
s->insn_write = multiq3_ao_insn_write;
- s->insn_read = comedi_readback_insn_read;
ret = comedi_alloc_subdev_readback(s);
if (ret)
diff --git a/drivers/staging/comedi/drivers/ni_670x.c
b/drivers/staging/comedi/drivers/ni_670x.c
index 54721de..c42a81c 100644
--- a/drivers/staging/comedi/drivers/ni_670x.c
+++ b/drivers/staging/comedi/drivers/ni_670x.c
@@ -228,7 +228,6 @@ static int ni_670x_auto_attach(struct comedi_device *dev,
s->range_table = &range_bipolar10;
}
s->insn_write = ni_670x_ao_insn_write;
- s->insn_read = comedi_readback_insn_read;
ret = comedi_alloc_subdev_readback(s);
if (ret)
diff --git a/drivers/staging/comedi/drivers/ni_at_ao.c
b/drivers/staging/comedi/drivers/ni_at_ao.c
index 3e1ce58..5fb40cd 100644
--- a/drivers/staging/comedi/drivers/ni_at_ao.c
+++ b/drivers/staging/comedi/drivers/ni_at_ao.c
@@ -344,7 +344,6 @@ static int atao_attach(struct comedi_device *dev, struct
comedi_devconfig *it)
s->maxdata = 0x0fff;
s->range_table = it->options[3] ? &range_unipolar10 : &range_bipolar10;
s->insn_write = atao_ao_insn_write;
- s->insn_read = comedi_readback_insn_read;
ret = comedi_alloc_subdev_readback(s);
if (ret)
diff --git a/drivers/staging/comedi/drivers/ni_atmio16d.c
b/drivers/staging/comedi/drivers/ni_atmio16d.c
index d0ac49e..c484c89 100644
--- a/drivers/staging/comedi/drivers/ni_atmio16d.c
+++ b/drivers/staging/comedi/drivers/ni_atmio16d.c
@@ -692,7 +692,6 @@ static int atmio16d_attach(struct comedi_device *dev,
break;
}
s->insn_write = atmio16d_ao_insn_write;
- s->insn_read = comedi_readback_insn_read;
ret = comedi_alloc_subdev_readback(s);
if (ret)
diff --git a/drivers/staging/comedi/drivers/ni_mio_common.c
b/drivers/staging/comedi/drivers/ni_mio_common.c
index 97869ce..353c17b 100644
--- a/drivers/staging/comedi/drivers/ni_mio_common.c
+++ b/drivers/staging/comedi/drivers/ni_mio_common.c
@@ -5441,7 +5441,6 @@ static int ni_E_init(struct comedi_device *dev,
s->range_table = board->ao_range_table;
s->insn_config = ni_ao_insn_config;
s->insn_write = ni_ao_insn_write;
- s->insn_read = comedi_readback_insn_read;
ret = comedi_alloc_subdev_readback(s);
if (ret)
diff --git a/drivers/staging/comedi/drivers/pcl711.c
b/drivers/staging/comedi/drivers/pcl711.c
index 93fa4b8..938aebc 100644
--- a/drivers/staging/comedi/drivers/pcl711.c
+++ b/drivers/staging/comedi/drivers/pcl711.c
@@ -497,7 +497,6 @@ static int pcl711_attach(struct comedi_device *dev, struct
comedi_devconfig *it)
s->maxdata = 0xfff;
s->range_table = &range_bipolar5;
s->insn_write = pcl711_ao_insn_write;
- s->insn_read = comedi_readback_insn_read;
ret = comedi_alloc_subdev_readback(s);
if (ret)
diff --git a/drivers/staging/comedi/drivers/pcl726.c
b/drivers/staging/comedi/drivers/pcl726.c
index a1ac567..86f713f 100644
--- a/drivers/staging/comedi/drivers/pcl726.c
+++ b/drivers/staging/comedi/drivers/pcl726.c
@@ -376,7 +376,6 @@ static int pcl726_attach(struct comedi_device *dev,
s->maxdata = 0x0fff;
s->range_table_list = devpriv->rangelist;
s->insn_write = pcl726_ao_insn_write;
- s->insn_read = comedi_readback_insn_read;
ret = comedi_alloc_subdev_readback(s);
if (ret)
diff --git a/drivers/staging/comedi/drivers/pcl812.c
b/drivers/staging/comedi/drivers/pcl812.c
index c3499aa..ac243ca 100644
--- a/drivers/staging/comedi/drivers/pcl812.c
+++ b/drivers/staging/comedi/drivers/pcl812.c
@@ -1324,7 +1324,6 @@ static int pcl812_attach(struct comedi_device *dev,
struct comedi_devconfig *it)
break;
}
s->insn_write = pcl812_ao_insn_write;
- s->insn_read = comedi_readback_insn_read;
ret = comedi_alloc_subdev_readback(s);
if (ret)
diff --git a/drivers/staging/comedi/drivers/pcl818.c
b/drivers/staging/comedi/drivers/pcl818.c
index f1e0f36..8edea35 100644
--- a/drivers/staging/comedi/drivers/pcl818.c
+++ b/drivers/staging/comedi/drivers/pcl818.c
@@ -1158,7 +1158,6 @@ static int pcl818_attach(struct comedi_device *dev,
struct comedi_devconfig *it)
s->range_table = &range_unknown;
}
s->insn_write = pcl818_ao_insn_write;
- s->insn_read = comedi_readback_insn_read;
ret = comedi_alloc_subdev_readback(s);
if (ret)
diff --git a/drivers/staging/comedi/drivers/pcmmio.c
b/drivers/staging/comedi/drivers/pcmmio.c
index 985fabd..f0059e9 100644
--- a/drivers/staging/comedi/drivers/pcmmio.c
+++ b/drivers/staging/comedi/drivers/pcmmio.c
@@ -732,7 +732,6 @@ static int pcmmio_attach(struct comedi_device *dev, struct
comedi_devconfig *it)
s->maxdata = 0xffff;
s->range_table = &pcmmio_ao_ranges;
s->insn_write = pcmmio_ao_insn_write;
- s->insn_read = comedi_readback_insn_read;
ret = comedi_alloc_subdev_readback(s);
if (ret)
diff --git a/drivers/staging/comedi/drivers/quatech_daqp_cs.c
b/drivers/staging/comedi/drivers/quatech_daqp_cs.c
index f77485b..9609811 100644
--- a/drivers/staging/comedi/drivers/quatech_daqp_cs.c
+++ b/drivers/staging/comedi/drivers/quatech_daqp_cs.c
@@ -740,7 +740,6 @@ static int daqp_auto_attach(struct comedi_device *dev,
s->maxdata = 0x0fff;
s->range_table = &range_bipolar5;
s->insn_write = daqp_ao_insn_write;
- s->insn_read = comedi_readback_insn_read;
ret = comedi_alloc_subdev_readback(s);
if (ret)
diff --git a/drivers/staging/comedi/drivers/rtd520.c
b/drivers/staging/comedi/drivers/rtd520.c
index fb71fd6..581aa58 100644
--- a/drivers/staging/comedi/drivers/rtd520.c
+++ b/drivers/staging/comedi/drivers/rtd520.c
@@ -1263,7 +1263,6 @@ static int rtd_auto_attach(struct comedi_device *dev,
s->maxdata = 0x0fff;
s->range_table = &rtd_ao_range;
s->insn_write = rtd_ao_winsn;
- s->insn_read = comedi_readback_insn_read;
ret = comedi_alloc_subdev_readback(s);
if (ret)
diff --git a/drivers/staging/comedi/drivers/rti800.c
b/drivers/staging/comedi/drivers/rti800.c
index e3d9f44..67b4b37 100644
--- a/drivers/staging/comedi/drivers/rti800.c
+++ b/drivers/staging/comedi/drivers/rti800.c
@@ -313,7 +313,6 @@ static int rti800_attach(struct comedi_device *dev, struct
comedi_devconfig *it)
? rti800_ao_ranges[it->options[7]]
: &range_unknown;
s->insn_write = rti800_ao_insn_write;
- s->insn_read = comedi_readback_insn_read;
ret = comedi_alloc_subdev_readback(s);
if (ret)
diff --git a/drivers/staging/comedi/drivers/rti802.c
b/drivers/staging/comedi/drivers/rti802.c
index c81b01c..96c3974 100644
--- a/drivers/staging/comedi/drivers/rti802.c
+++ b/drivers/staging/comedi/drivers/rti802.c
@@ -100,7 +100,6 @@ static int rti802_attach(struct comedi_device *dev, struct
comedi_devconfig *it)
s->maxdata = 0xfff;
s->n_chan = 8;
s->insn_write = rti802_ao_insn_write;
- s->insn_read = comedi_readback_insn_read;
ret = comedi_alloc_subdev_readback(s);
if (ret)
diff --git a/drivers/staging/comedi/drivers/s526.c
b/drivers/staging/comedi/drivers/s526.c
index 75872c6..6f3e8a0 100644
--- a/drivers/staging/comedi/drivers/s526.c
+++ b/drivers/staging/comedi/drivers/s526.c
@@ -583,7 +583,6 @@ static int s526_attach(struct comedi_device *dev, struct
comedi_devconfig *it)
s->maxdata = 0xffff;
s->range_table = &range_bipolar10;
s->insn_write = s526_ao_insn_write;
- s->insn_read = comedi_readback_insn_read;
ret = comedi_alloc_subdev_readback(s);
if (ret)
diff --git a/drivers/staging/comedi/drivers/s626.c
b/drivers/staging/comedi/drivers/s626.c
index fc7d8a5..14932c5 100644
--- a/drivers/staging/comedi/drivers/s626.c
+++ b/drivers/staging/comedi/drivers/s626.c
@@ -2801,7 +2801,6 @@ static int s626_auto_attach(struct comedi_device *dev,
s->maxdata = 0x3fff;
s->range_table = &range_bipolar10;
s->insn_write = s626_ao_insn_write;
- s->insn_read = comedi_readback_insn_read;
ret = comedi_alloc_subdev_readback(s);
if (ret)
--
2.0.3
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