Commit Graph

11 Commits

Author SHA1 Message Date
Alexandru Ardelean d3be83244c iio: remove explicit IIO device parent assignment
This patch applies the semantic patch:
@@
expression I, P, SP;
@@
   I = devm_iio_device_alloc(P, SP);
   ...
-  I->dev.parent = P;

It updates 302 files and does 307 deletions.
This semantic patch also removes some comments like
'/* Establish that the iio_dev is a child of the i2c device */'

But this is is only done in case where the block is left empty.

The patch does not seem to cover all cases. It looks like in some cases a
different variable is used in some cases to assign the parent, but it
points to the same reference.
In other cases, the block covered by ... may be just too big to be covered
by the semantic patch.

However, this looks pretty good as well, as it does cover a big bulk of the
drivers that should remove the parent assignment.

Signed-off-by: Alexandru Ardelean <alexandru.ardelean@analog.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2020-06-14 11:49:59 +01:00
Jonathan Cameron 52b31bcc93 iio:adc: drop assign iio_info.driver_module and iio_trigger_ops.owner
The equivalent of both of these are now done via macro magic when
the relevant register calls are made.  The actual structure
elements will shortly go away.

Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Reviewed-by: Lars-Peter Clausen <lars@metafoo.de>
2017-08-22 21:22:25 +01:00
Hartmut Knaack b465fc5499 iio:adc:berlin2-adc: coding style cleanup
Some adjustment of indentation to make checkpatch.pl happy in strict mode.

Signed-off-by: Hartmut Knaack <knaack.h@gmx.de>
Acked-by: Antoine Tenart <antoine.tenart@free-electrons.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2015-08-12 22:13:57 +01:00
Hartmut Knaack 3ac065224f iio:adc:berlin2-adc: enable interrupts with mutex locked
Move the call to enable channel interrupts into its _read() function to
have it protected by a mutex. This ensures that only one channel is
sampled at a time.

Signed-off-by: Hartmut Knaack <knaack.h@gmx.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2015-08-12 22:13:06 +01:00
Hartmut Knaack 4b308e8c39 iio:adc:berlin2-adc: use GENMASK and BIT for masks
Make use of GENMASK for consecutive bitmasks and BIT for single bitmasks.

Signed-off-by: Hartmut Knaack <knaack.h@gmx.de>
Acked-by: Antoine Tenart <antoine.tenart@free-electrons.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2015-08-12 22:11:38 +01:00
Hartmut Knaack 57cb06762d iio:adc:berlin2-adc: Fix register definition
Active channel number is stored in BERLIN2_SM_CTRL as value, instead of a
bit map.
The masks for channel interrupts and data ready are a 16 bits wide bit
map each, instead of just 4 bits.

Also correct the data mask for the temperature sensor, which was
Reported-by: Antoine Tenart <antoine.tenart@free-electrons.com>

Signed-off-by: Hartmut Knaack <knaack.h@gmx.de>
Acked-by: Antoine Tenart <antoine.tenart@free-electrons.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2015-08-12 19:24:08 +01:00
Hartmut Knaack 546384c968 iio:adc:berlin2-adc: use channel-array size directly
Drop the otherwise unused definition of the channel-array size and use it
directly in _probe - makes it a bit more obvious.

Signed-off-by: Hartmut Knaack <knaack.h@gmx.de>
Acked-by: Antoine Tenart <antoine.tenart@free-electrons.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2015-08-02 19:08:45 +01:00
Hartmut Knaack 609e9d88f2 iio:adc:berlin2-adc: use short operator format
Use augmented assignment to subtract the offset for negative temperature
values.
Specify the amount of private data to be allocated through
devm_iio_device_alloc() with sizeof(*priv), as it is shorter and common
practice in IIO.

Signed-off-by: Hartmut Knaack <knaack.h@gmx.de>
Acked-by: Antoine Tenart <antoine.tenart@free-electrons.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2015-08-02 19:08:13 +01:00
Hartmut Knaack 688febbd16 iio:adc:berlin2-adc: constify iio_chan_spec
Mark berlin2_adc_channels array as constant.

Signed-off-by: Hartmut Knaack <knaack.h@gmx.de>
Acked-by: Antoine Tenart <antoine.tenart@free-electrons.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2015-08-02 19:07:50 +01:00
Hartmut Knaack 19d566420b iio:adc:berlin2-adc: pass up real error code
Pass up the real error code returned by platform_get_irq_byname().

Signed-off-by: Hartmut Knaack <knaack.h@gmx.de>
Acked-by: Antoine Tenart <antoine.tenart@free-electrons.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2015-08-02 19:05:51 +01:00
Antoine Tenart 70f1937911 iio: adc: add support for Berlin
This patch adds the support of the Berlin ADC, available on Berlin SoCs.
This ADC has 8 channels available, with one connected to a temperature
sensor.

The particularity here, is that the temperature sensor connected to the
ADC has its own registers, and both the ADC and the temperature sensor
must be configured when using it.

Signed-off-by: Antoine Tenart <antoine.tenart@free-electrons.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2015-05-23 10:47:40 +01:00