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Currently, only the 112bit PROM with 7 words is supported. However the ms58xx
family also have devices with a 128bit PROM on 8 words. See AN520:
C-CODE EXAMPLE FOR MS56XX, MS57XX (EXCEPT ANALOG SENSOR), AND MS58XX SERIES
PRESSURE SENSORS and the various device datasheets.
The difference is that the CRC is the 4 LSBs of word7 instead of being the
4 MSBs of word0.
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Link: https://lore.kernel.org/r/20210109231148.1168104-6-alexandre.belloni@bootlin.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
The CRC calculation always happens on 8 words which is why there is an
extra element in the prom array of struct ms_tp_dev. However, on ms5637 and
similar, only 7 words are readable.
Then, set MS_SENSORS_TP_PROM_WORDS_NB to 8 and stop passing a len parameter
to ms_sensors_tp_crc_valid as this simply hide the fact that it is
hardcoded.
Finally, use the newly introduced hw->prom_len to know how many words can be
read.
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Link: https://lore.kernel.org/r/20210109231148.1168104-5-alexandre.belloni@bootlin.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Some sensors in the ms58xx family have a different PROM length and a
different number of available resolution. introduce struct ms_tp_hw_data to
handle those differences.
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Link: https://lore.kernel.org/r/20210109231148.1168104-3-alexandre.belloni@bootlin.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Probably due to docrot.
Fixes the following W=1 kernel build warning(s):
drivers/iio/common/ms_sensors/ms_sensors_i2c.c:186: warning: Function parameter or member 'client' not described in 'ms_sensors_read_serial'
drivers/iio/common/ms_sensors/ms_sensors_i2c.c:186: warning: Excess function parameter 'cli' description in 'ms_sensors_read_serial'
Cc: William Markezana <william.markezana@meas-spec.com>
Cc: Ludovic Tancerel <ludovic.tancerel@maplehightech.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Based on 2 normalized pattern(s):
this program is free software you can redistribute it and or modify
it under the terms of the gnu general public license version 2 as
published by the free software foundation
this program is free software you can redistribute it and or modify
it under the terms of the gnu general public license version 2 as
published by the free software foundation #
extracted by the scancode license scanner the SPDX license identifier
GPL-2.0-only
has been chosen to replace the boilerplate/reference in 4122 file(s).
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Enrico Weigelt <info@metux.net>
Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org>
Reviewed-by: Allison Randal <allison@lohutok.net>
Cc: linux-spdx@vger.kernel.org
Link: https://lkml.kernel.org/r/20190604081206.933168790@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Based on 1 normalized pattern(s):
licensed under the gpl 2
extracted by the scancode license scanner the SPDX license identifier
GPL-2.0-only
has been chosen to replace the boilerplate/reference in 135 file(s).
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Allison Randal <allison@lohutok.net>
Reviewed-by: Richard Fontana <rfontana@redhat.com>
Reviewed-by: Alexios Zavras <alexios.zavras@intel.com>
Reviewed-by: Steve Winslow <swinslow@gmail.com>
Cc: linux-spdx@vger.kernel.org
Link: https://lkml.kernel.org/r/20190528170026.071193225@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Add SPDX license identifiers to all Make/Kconfig files which:
- Have no license information of any form
These files fall under the project license, GPL v2 only. The resulting SPDX
license identifier is:
GPL-2.0-only
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Formatting of Kconfig files doesn't look so pretty, so just
take damp cloth and clean it up.
Signed-off-by: Enrico Weigelt, metux IT consult <info@metux.net>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
The following Coccinelle script was used to detect this:
@r@
expression x;
void* e;
type T;
identifier f;
@@
(
*((T *)e)
|
((T *)x)[...]
|
((T*)x)->f
|
- (T*)
e
)
Signed-off-by: simran singhal <singhalsimran0@gmail.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
This fixes the error reported by checkpatch.pl:
ERROR: code indent should use tabs where possible
Signed-off-by: Slawomir Stepien <sst@poczta.fm>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
This patch changes various types to the appropriate endian specific
versions. Also introduces an additional local variable to avoid
a single variable being used for both be and cpu endianness.
These aren't bugs as such, but clearing them up does make the code
clearer.
Warning was:
sparse warnings: (new ones prefixed by >>)
>> drivers/iio/common/ms_sensors/ms_sensors_i2c.c:126:9: sparse: cast to restricted __be32
>> drivers/iio/common/ms_sensors/ms_sensors_i2c.c:126:9: sparse: cast to restricted __be32
>> drivers/iio/common/ms_sensors/ms_sensors_i2c.c:126:9: sparse: cast to restricted __be32
>> drivers/iio/common/ms_sensors/ms_sensors_i2c.c:126:9: sparse: cast to restricted __be32
>> drivers/iio/common/ms_sensors/ms_sensors_i2c.c:126:9: sparse: cast to restricted __be32
>> drivers/iio/common/ms_sensors/ms_sensors_i2c.c:126:9: sparse: cast to restricted __be32
drivers/iio/common/ms_sensors/ms_sensors_i2c.c:127:16: sparse: cast to restricted __be32
drivers/iio/common/ms_sensors/ms_sensors_i2c.c:127:16: sparse: cast to restricted __be32
drivers/iio/common/ms_sensors/ms_sensors_i2c.c:127:16: sparse: cast to restricted __be32
drivers/iio/common/ms_sensors/ms_sensors_i2c.c:127:16: sparse: cast to restricted __be32
drivers/iio/common/ms_sensors/ms_sensors_i2c.c:127:16: sparse: cast to restricted __be32
drivers/iio/common/ms_sensors/ms_sensors_i2c.c:127:16: sparse: cast to restricted __be32
>> drivers/iio/common/ms_sensors/ms_sensors_i2c.c:208:18: sparse: incorrect type in assignment (different base types)
drivers/iio/common/ms_sensors/ms_sensors_i2c.c:208:18: expected unsigned short [unsigned] [addressable] [usertype] send_buf
drivers/iio/common/ms_sensors/ms_sensors_i2c.c:208:18: got restricted __be16 [usertype] <noident>
>> drivers/iio/common/ms_sensors/ms_sensors_i2c.c:216:19: sparse: cast to restricted __be64
>> drivers/iio/common/ms_sensors/ms_sensors_i2c.c:216:19: sparse: cast to restricted __be64
>> drivers/iio/common/ms_sensors/ms_sensors_i2c.c:216:19: sparse: cast to restricted __be64
>> drivers/iio/common/ms_sensors/ms_sensors_i2c.c:216:19: sparse: cast to restricted __be64
>> drivers/iio/common/ms_sensors/ms_sensors_i2c.c:216:19: sparse: cast to restricted __be64
>> drivers/iio/common/ms_sensors/ms_sensors_i2c.c:216:19: sparse: cast to restricted __be64
>> drivers/iio/common/ms_sensors/ms_sensors_i2c.c:216:19: sparse: cast to restricted __be64
>> drivers/iio/common/ms_sensors/ms_sensors_i2c.c:216:19: sparse: cast to restricted __be64
>> drivers/iio/common/ms_sensors/ms_sensors_i2c.c:216:19: sparse: cast to restricted __be64
>> drivers/iio/common/ms_sensors/ms_sensors_i2c.c:216:19: sparse: cast to restricted __be64
drivers/iio/common/ms_sensors/ms_sensors_i2c.c:230:18: sparse: incorrect type in assignment (different base types)
drivers/iio/common/ms_sensors/ms_sensors_i2c.c:230:18: expected unsigned short [unsigned] [addressable] [usertype] send_buf
drivers/iio/common/ms_sensors/ms_sensors_i2c.c:230:18: got restricted __be16 [usertype] <noident>
drivers/iio/common/ms_sensors/ms_sensors_i2c.c:239:19: sparse: cast to restricted __be64
drivers/iio/common/ms_sensors/ms_sensors_i2c.c:239:19: sparse: cast to restricted __be64
drivers/iio/common/ms_sensors/ms_sensors_i2c.c:239:19: sparse: cast to restricted __be64
drivers/iio/common/ms_sensors/ms_sensors_i2c.c:239:19: sparse: cast to restricted __be64
drivers/iio/common/ms_sensors/ms_sensors_i2c.c:239:19: sparse: cast to restricted __be64
drivers/iio/common/ms_sensors/ms_sensors_i2c.c:239:19: sparse: cast to restricted __be64
drivers/iio/common/ms_sensors/ms_sensors_i2c.c:239:19: sparse: cast to restricted __be64
drivers/iio/common/ms_sensors/ms_sensors_i2c.c:239:19: sparse: cast to restricted __be64
drivers/iio/common/ms_sensors/ms_sensors_i2c.c:239:19: sparse: cast to restricted __be64
drivers/iio/common/ms_sensors/ms_sensors_i2c.c:239:19: sparse: cast to restricted __be64
Reported-by: kbuild test robot <fengguang.wu@intel.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Measurement specialties drivers common part.
These functions are used by further drivers
in the patchset: TSYS01, TSYS02D, HTU21, MS5637, MS8607
Signed-off-by: Ludovic Tancerel <ludovic.tancerel@maplehightech.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
