[PATCH 1/2] hwmon: (pmbus/ibm-cffps) Add mfg_id debugfs entry

From: Brandon Wyman
Date: Mon Oct 04 2021 - 10:44:18 EST


Add support for the manufacturer ID to the debugfs entries.

Signed-off-by: Brandon Wyman <bjwyman@xxxxxxxxx>
---
drivers/hwmon/pmbus/ibm-cffps.c | 10 +++++++++-
1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/drivers/hwmon/pmbus/ibm-cffps.c b/drivers/hwmon/pmbus/ibm-cffps.c
index df712ce4b164..2ee47cbbb665 100644
--- a/drivers/hwmon/pmbus/ibm-cffps.c
+++ b/drivers/hwmon/pmbus/ibm-cffps.c
@@ -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;
@@ -558,6 +563,9 @@ 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);
--
2.25.1