diff options
| author | Ingo Molnar <[email protected]> | 2020-02-24 11:36:09 +0100 |
|---|---|---|
| committer | Ingo Molnar <[email protected]> | 2020-02-24 11:36:09 +0100 |
| commit | 546121b65f47384e11ec1fa2e55449fc9f4846b2 (patch) | |
| tree | 8f18470ec7c0c77b0f48eb1b2338e591b0b0aaff /drivers/hwmon/pmbus/pmbus_core.c | |
| parent | 000619680c3714020ce9db17eef6a4a7ce2dc28b (diff) | |
| parent | f8788d86ab28f61f7b46eb6be375f8a726783636 (diff) | |
Merge tag 'v5.6-rc3' into sched/core, to pick up fixes and dependent patches
Signed-off-by: Ingo Molnar <[email protected]>
Diffstat (limited to 'drivers/hwmon/pmbus/pmbus_core.c')
| -rw-r--r-- | drivers/hwmon/pmbus/pmbus_core.c | 22 |
1 files changed, 21 insertions, 1 deletions
diff --git a/drivers/hwmon/pmbus/pmbus_core.c b/drivers/hwmon/pmbus/pmbus_core.c index 8470097907bc..d9c17feb7b4a 100644 --- a/drivers/hwmon/pmbus/pmbus_core.c +++ b/drivers/hwmon/pmbus/pmbus_core.c @@ -696,7 +696,7 @@ static long pmbus_reg2data_vid(struct pmbus_data *data, long val = sensor->data; long rv = 0; - switch (data->info->vrm_version) { + switch (data->info->vrm_version[sensor->page]) { case vr11: if (val >= 0x02 && val <= 0xb2) rv = DIV_ROUND_CLOSEST(160000 - (val - 2) * 625, 100); @@ -709,6 +709,14 @@ static long pmbus_reg2data_vid(struct pmbus_data *data, if (val >= 0x01) rv = 500 + (val - 1) * 10; break; + case imvp9: + if (val >= 0x01) + rv = 200 + (val - 1) * 10; + break; + case amd625mv: + if (val >= 0x0 && val <= 0xd8) + rv = DIV_ROUND_CLOSEST(155000 - val * 625, 100); + break; } return rv; } @@ -1088,6 +1096,9 @@ static struct pmbus_sensor *pmbus_add_sensor(struct pmbus_data *data, snprintf(sensor->name, sizeof(sensor->name), "%s%d", name, seq); + if (data->flags & PMBUS_WRITE_PROTECTED) + readonly = true; + sensor->page = page; sensor->reg = reg; sensor->class = class; @@ -2141,6 +2152,15 @@ static int pmbus_init_common(struct i2c_client *client, struct pmbus_data *data, if (ret >= 0 && (ret & PB_CAPABILITY_ERROR_CHECK)) client->flags |= I2C_CLIENT_PEC; + /* + * Check if the chip is write protected. If it is, we can not clear + * faults, and we should not try it. Also, in that case, writes into + * limit registers need to be disabled. + */ + ret = i2c_smbus_read_byte_data(client, PMBUS_WRITE_PROTECT); + if (ret > 0 && (ret & PB_WP_ANY)) + data->flags |= PMBUS_WRITE_PROTECTED | PMBUS_SKIP_STATUS_CHECK; + if (data->info->pages) pmbus_clear_faults(client); else |