diff options
| author |   Vadim Pasternak <vadimp@mellanox.com> | 2016-07-25 10:55:53 +0000 |
|---|---|---|
| committer |   Guenter Roeck <linux@roeck-us.net> | 2016-09-08 21:34:14 -0700 |
| commit | cc00decf0e280953e9067e938ad331f93bda8b40 (patch) | |
| tree | 10e9b9f5579011bd2446eb8ef1a2f623d2b89564 /drivers/hwmon | |
| parent | hwmon: (adt7411) add external thermal diode support (diff) | |
| download | linux-dev-cc00decf0e280953e9067e938ad331f93bda8b40.tar.xz linux-dev-cc00decf0e280953e9067e938ad331f93bda8b40.zip | |
hwmon: (pmbus) Add explicit support for DPS-460, DPS-800, and SGD009
Provide support for PSU DPS-460, DPS-800 from Delta Electronics, INC
and for SGD009 from Acbel Polytech, INC.
These devices do not support the STATUS_CML register, and reports a
communication error in response to this command. For this reason,
the status register check is disabled for these controllers.
Signed-off-by: Vadim Pasternak <vadimp@mellanox.com>
Reviewed-by: Jiri Pirko <jiri@mellanox.com>
Reviewed-by: Jean Delvare <jdelvare@suse.de>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Diffstat (limited to 'drivers/hwmon')
| -rw-r--r-- | drivers/hwmon/pmbus/pmbus.c | 20 |
1 files changed, 18 insertions, 2 deletions
diff --git a/drivers/hwmon/pmbus/pmbus.c b/drivers/hwmon/pmbus/pmbus.c index 0a74991a60f0..44ca8a94873d 100644 --- a/drivers/hwmon/pmbus/pmbus.c +++ b/drivers/hwmon/pmbus/pmbus.c @@ -25,6 +25,7 @@ #include <linux/slab.h> #include <linux/mutex.h> #include <linux/i2c.h> +#include <linux/i2c/pmbus.h> #include "pmbus.h" /* @@ -167,14 +168,26 @@ static int pmbus_probe(struct i2c_client *client, const struct i2c_device_id *id) { struct pmbus_driver_info *info; + struct pmbus_platform_data *pdata = NULL; + struct device *dev = &client->dev; - info = devm_kzalloc(&client->dev, sizeof(struct pmbus_driver_info), - GFP_KERNEL); + info = devm_kzalloc(dev, sizeof(struct pmbus_driver_info), GFP_KERNEL); if (!info) return -ENOMEM; + if (!strcmp(id->name, "dps460") || !strcmp(id->name, "dps800") || + !strcmp(id->name, "sgd009")) { + pdata = devm_kzalloc(dev, sizeof(struct pmbus_platform_data), + GFP_KERNEL); + if (!pdata) + return -ENOMEM; + + pdata->flags = PMBUS_SKIP_STATUS_CHECK; + } + info->pages = id->driver_data; info->identify = pmbus_identify; + dev->platform_data = pdata; return pmbus_do_probe(client, id, info); } @@ -186,6 +199,8 @@ static const struct i2c_device_id pmbus_id[] = { {"adp4000", 1}, {"bmr453", 1}, {"bmr454", 1}, + {"dps460", 1}, + {"dps800", 1}, {"mdt040", 1}, {"ncp4200", 1}, {"ncp4208", 1}, @@ -193,6 +208,7 @@ static const struct i2c_device_id pmbus_id[] = { {"pdt006", 1}, {"pdt012", 1}, {"pmbus", 0}, + {"sgd009", 1}, {"tps40400", 1}, {"tps544b20", 1}, {"tps544b25", 1}, |