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hwmon: (pmbus) Add explicit support for DPS-460, DPS-800, and SGD009

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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>
This commit is contained in:
Vadim Pasternak 2016-07-25 10:55:53 +00:00 committed by Guenter Roeck
parent a95da110cd
commit cc00decf0e
1 changed files with 18 additions and 2 deletions
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20
drivers/hwmon/pmbus/pmbus.c
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@ -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},