diff options
| author | Ninad Palsule <ninad@linux.ibm.com> | 2024-12-16 11:50:39 -0600 |
|---|---|---|
| committer | Guenter Roeck <linux@roeck-us.net> | 2024-12-16 10:44:36 -0800 |
| commit | 30062044a1a652ad1722a19604b816e363af7089 (patch) | |
| tree | 1e1b68a6d246bde0b06cbba30e9c0aaf5843a78c | |
| parent | 0f049da5b0568cafd39706cc87a1b689dcdae8a0 (diff) | |
hwmon: (pmbus/core) Add PMBUS_REVISION in debugfs
Add debugfs file for the PMBUS_REVISION command. This command provides
information about PMBus protocol revision number.
Signed-off-by: Ninad Palsule <ninad@linux.ibm.com>
Link: https://lore.kernel.org/r/20241216175044.4144442-2-ninad@linux.ibm.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
| -rw-r--r-- | drivers/hwmon/pmbus/pmbus_core.c | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/drivers/hwmon/pmbus/pmbus_core.c b/drivers/hwmon/pmbus/pmbus_core.c index a7000314e5ad..787683e83db6 100644 --- a/drivers/hwmon/pmbus/pmbus_core.c +++ b/drivers/hwmon/pmbus/pmbus_core.c @@ -3534,11 +3534,11 @@ static int pmbus_init_debugfs(struct i2c_client *client, /* * Allocate the max possible entries we need. - * 6 entries device-specific + * 7 entries device-specific * 10 entries page-specific */ entries = devm_kcalloc(data->dev, - 6 + data->info->pages * 10, sizeof(*entries), + 7 + data->info->pages * 10, sizeof(*entries), GFP_KERNEL); if (!entries) return -ENOMEM; @@ -3551,6 +3551,15 @@ static int pmbus_init_debugfs(struct i2c_client *client, * assume that values of the following registers are the same for all * pages and report values only for page 0. */ + if (pmbus_check_byte_register(client, 0, PMBUS_REVISION)) { + entries[idx].client = client; + entries[idx].page = 0; + entries[idx].reg = PMBUS_REVISION; + debugfs_create_file("revision", 0444, data->debugfs, + &entries[idx++], + &pmbus_debugfs_ops); + } + if (pmbus_check_block_register(client, 0, PMBUS_MFR_ID)) { entries[idx].client = client; entries[idx].page = 0; |