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Exported pmbus symbols are only supposed to be used from PMBus code.
Introduce PMBUS symbol namespace to prevent misuse from other code.
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Certain VRs might be configured to use only the first output channel and
so the mode for the second will be 0. Handle this gracefully.
Fixes: b9fa0a3acfd8 ("hwmon: (pmbus/core) Add support for vid mode detection per page bases")
Signed-off-by: Paul Fertser <fercerpav@gmail.com>
Link: https://lore.kernel.org/r/20210416102926.13614-1-fercerpav@gmail.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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The only action currently performed in pmbus_do_remove() is removing the
debugfs hierarchy. We can schedule a devm action at probe time and remove
pmbus_do_remove() entirely from all pmbus drivers.
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Link: https://lore.kernel.org/r/20201026105352.20359-1-brgl@bgdev.pl
[groeck: Removed references to pmbus_do_remove from documentation]
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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pmbus_do_probe doesn't use the id information provided in its second
argument, so this can be removed, which then allows using the
single-parameter i2c probe function ("probe_new") for probes.
This avoids scanning the identifier tables during probes.
Drivers which didn't use the id are converted as-is; drivers which did
are modified as follows:
* if the information in i2c_client is sufficient, that's used instead
(client->name);
* configured v. probed comparisons are performed by comparing the
configured name to the detected name, instead of the ids; this
involves strcmp but is still cheaper than comparing all the device
names when scanning the tables;
* anything else is handled by calling i2c_match_id() with the same
level of error-handling (if any) as before.
Additionally, the mismatch message in the ltc2978 driver is adjusted
so that it no longer assumes that the driver_data is an index into
ltc2978_id.
Signed-off-by: Stephen Kitt <steve@sk2.org>
Acked-by: Wolfram Sang <wsa@kernel.org>
Link: https://lore.kernel.org/r/20200808210004.30880-1-steve@sk2.org
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Add support for VID protocol detection per page bases, instead of
detecting it based on "PMBU_VOUT" readout from page 0 for all the pages
supported by particular device.
The reason that some devices allows to configure different VID modes
per page within the same device.
Patch modifies the field "vrm_version" within the structure
"pmbus_driver_info" to be per page array.
Signed-off-by: Vadim Pasternak <vadimp@mellanox.com>
Link: https://lore.kernel.org/r/20200113150841.17670-2-vadimp@mellanox.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Added pmbus driver for the new device Infineon pxe1610
voltage regulator. It also supports similar family device
PXE1110 and PXM1310.
Signed-off-by: Vijay Khemka <vijaykhemka@fb.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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