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LM25063 was never released. Drop support for it.
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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The TI LM5066I hotswap controller is a more accurate version of the
LM5066 device already supported. It has different measurement conversion
coefficients than the LM5066, so it needs to be recognized as a
different device.
Signed-off-by: Xo Wang <xow@google.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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When converting the DIRECT format CURRENT_IN and POWER commands, make
the offset coefficient ("b") predicate on the value of the current limit
setting.
Signed-off-by: Xo Wang <xow@google.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Using the BIT macro makes the code a little easier to read.
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Initialize device specific coefficients from table instead of hard-coding it
to simplify adding additional chips.
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Limits on all supported sensors and chips have to be within 0..0x0fff,
and limits are always positive.
Clamp written values in chip driver. Also clear value cache to ensure
that the actually written value is read back and reported correctly.
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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So far the driver reported the voltage on VAUX as "vout2". This was not
entirely appropriate as it is not an output voltage, and complicates
the code. Use the new virtual "VMON" register set and report the voltage
as "vmon" instead.
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Since devm_kzalloc() is now used to allocate driver memory, the client
driver remove function has no purpose other than to call pmbus_do_remove().
This means we can get rid of it by redefining pmbus_do_remove() to use the
same prototype, and pointing to it directly.
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Marginally less code and eliminate the possibility of memory leaks.
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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This patch converts the drivers in drivers/hwmon/* to use the
module_i2c_driver() macro which makes the code smaller and a bit simpler.
Signed-off-by: Axel Lin <axel.lin@gmail.com>
Cc: Corentin Labbe <corentin.labbe@geomatys.fr>
Cc: Dirk Eibach <eibach@gdsys.de>
Cc: "Mark M. Hoffman" <mhoffman@lightlink.com>
Cc: Steve Glendinning <steve.glendinning@smsc.com>
Cc: Riku Voipio <riku.voipio@iki.fi>
Cc: Guillaume Ligneul <guillaume.ligneul@gmail.com>
Cc: David George <david.george@ska.ac.za>
Cc: "Hans J. Koch" <hjk@hansjkoch.de>
Cc: Marc Hulsman <m.hulsman@tudelft.nl>
Cc: Rudolf Marek <r.marek@assembler.cz>
Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com>
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Always call _pmbus_read_byte() instead of pmbus_read_byte() in PMBus core
driver. With this change, device specific read functions can be implemented for
all registers.
Since the device specific read_byte function is now always called, we need to be
more careful with page validations. Only fail if the passed page number is larger
than 0, since -1 means "current page".
Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com>
Reviewed-by: Robert Coulson <robert.coulson@ericsson.com>
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EINVAL was over-used in the code. Replace it with more appropriate errors.
Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com>
Reviewed-by: Robert Coulson <robert.coulson@ericsson.com>
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Driver remove functions have an error return value, but rarely return an error
in practice. If a driver does return an error from its remove function, the
driver won't be unloaded and is expected to stay alive.
pmbus_do_remove() is defined as returning an int, but always returns 0 (no
error). Calling code passes that return value on to high level driver
remove functions, but does not evaluate it and removes driver data even if
pmbus_do_remove() returned an error (which it in practice never does). Even if
this code could never cause a real problem, it is nevertheless conceptually
wrong.
To reduce confusion and simplify the code, change pmbus_do_remove() to be a void
function, and have PMBus client drivers always return zero in their driver
remove functions.
Reported-by: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com>
Acked-by: Jean Delvare <khali@linux-fr.org>
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pmbus_clear_faults() attempts to clear faults on non-existing real pages.
As a result, the command error bit in the status register is set, and faults
are not really cleared.
All byte writes to non-zero pages are requests to clear the status register
on that page. Since non-zero pages are virtual and do not exist on the chip,
there is nothing to do, and such requests have to be ignored. This fixes
above problem.
Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com>
Reviewed-by: Robert Coulson <robert.coulson@ericsson.com>
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PMBus client driver supporting National Semiconductor LM25066, LM5064, and LM5066.
Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com>
Reviewed-by: Robert Coulson <robert.coulson@ericsson.com>
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