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hwmon: (pmbus/ibm-cffps) Add mfg_id debugfs entry 

Add support for the manufacturer ID to the debugfs entries.

Signed-off-by: Brandon Wyman <bjwyman@gmail.com>
Link: https://lore.kernel.org/r/20211004144339.2634330-1-bjwyman@gmail.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
This commit is contained in:
Brandon Wyman 2021-10-04 14:43:38 +00:00 committed by Guenter Roeck
parent 6e2baac88c
commit a111ec399c
1 changed files with 9 additions and 1 deletions
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10
drivers/hwmon/pmbus/ibm-cffps.c
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@ -18,6 +18,7 @@
#include "pmbus.h"
#define CFFPS_MFG_ID_CMD 0x99
#define CFFPS_FRU_CMD 0x9A
#define CFFPS_PN_CMD 0x9B
#define CFFPS_HEADER_CMD 0x9C
@ -34,7 +35,7 @@
#define CFFPS_INPUT_HISTORY_SIZE 100
#define CFFPS_CCIN_REVISION GENMASK(7, 0)
#define CFFPS_CCIN_REVISION_LEGACY 0xde
#define CFFPS_CCIN_REVISION_LEGACY 0xde
#define CFFPS_CCIN_VERSION GENMASK(15, 8)
#define CFFPS_CCIN_VERSION_1 0x2b
#define CFFPS_CCIN_VERSION_2 0x2e
@ -57,6 +58,7 @@
enum {
CFFPS_DEBUGFS_INPUT_HISTORY = 0,
CFFPS_DEBUGFS_MFG_ID,
CFFPS_DEBUGFS_FRU,
CFFPS_DEBUGFS_PN,
CFFPS_DEBUGFS_HEADER,
@ -158,6 +160,9 @@ static ssize_t ibm_cffps_debugfs_read(struct file *file, char __user *buf,
switch (idx) {
case CFFPS_DEBUGFS_INPUT_HISTORY:
return ibm_cffps_read_input_history(psu, buf, count, ppos);
case CFFPS_DEBUGFS_MFG_ID:
cmd = CFFPS_MFG_ID_CMD;
break;
case CFFPS_DEBUGFS_FRU:
cmd = CFFPS_FRU_CMD;
break;
@ -564,6 +569,9 @@ static int ibm_cffps_probe(struct i2c_client *client)
debugfs_create_file("input_history", 0444, ibm_cffps_dir,
&psu->debugfs_entries[CFFPS_DEBUGFS_INPUT_HISTORY],
&ibm_cffps_fops);
debugfs_create_file("mfg_id", 0444, ibm_cffps_dir,
&psu->debugfs_entries[CFFPS_DEBUGFS_MFG_ID],
&ibm_cffps_fops);
debugfs_create_file("fru", 0444, ibm_cffps_dir,
&psu->debugfs_entries[CFFPS_DEBUGFS_FRU],
&ibm_cffps_fops);