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| author |  Paul Fertser <fercerpav@gmail.com>
| 2021-04-16 13:29:04 +0300 |
|---|---|---|
| committer |  Guenter Roeck <linux@roeck-us.net>
| 2021-04-20 06:50:14 -0700 |
| commit | f025314306ae17a3fdaf2874d7e878ce19cea363 (patch) | |
| tree | 4d6ef60956a0722cb32bf2b4f3a4a92870ca414b /drivers/hwmon | |
| parent | hwmon: Add driver for fsp-3y PSUs and PDUs (diff) | |
| download | linux-f025314306ae17a3fdaf2874d7e878ce19cea363.tar.gz linux-f025314306ae17a3fdaf2874d7e878ce19cea363.tar.bz2 linux-f025314306ae17a3fdaf2874d7e878ce19cea363.zip | |
hwmon: (pmbus/pxe1610) don't bail out when not all pages are active
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>
Diffstat (limited to 'drivers/hwmon')
| -rw-r--r-- | drivers/hwmon/pmbus/pxe1610.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/hwmon/pmbus/pxe1610.c b/drivers/hwmon/pmbus/pxe1610.c index da27ce34ee3f..eb4a06003b7f 100644 --- a/drivers/hwmon/pmbus/pxe1610.c +++ b/drivers/hwmon/pmbus/pxe1610.c @@ -41,6 +41,15 @@ static int pxe1610_identify(struct i2c_client *client, info->vrm_version[i] = vr13; break; default: + /* + * If prior pages are available limit operation + * to them + */ + if (i != 0) { + info->pages = i; + return 0; + } + return -ENODEV; } } |