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hwmon: (pmbus) Add 'phase' parameter where needed for multi-phase support

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In preparation for multi-phase support, add 'phase' parameter to read_word
and set_page functions. Actual multi-phase support will be added in
a subsequent patch.

Cc: Vadim Pasternak <vadimp@mellanox.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
This commit is contained in:
Guenter Roeck
2020-01-14 09:49:27 -08:00
parent a1dd176c42
commit 43f33b6e59
19 changed files with 192 additions and 124 deletions
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15
drivers/hwmon/pmbus/ibm-cffps.c
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@@ -148,7 +148,7 @@ static ssize_t ibm_cffps_debugfs_read(struct file *file, char __user *buf,
struct ibm_cffps *psu = to_psu(idxp, idx);
char data[I2C_SMBUS_BLOCK_MAX + 2] = { 0 };
pmbus_set_page(psu->client, 0);
pmbus_set_page(psu->client, 0, 0xff);
switch (idx) {
case CFFPS_DEBUGFS_INPUT_HISTORY:
@@ -247,7 +247,7 @@ static ssize_t ibm_cffps_debugfs_write(struct file *file,
switch (idx) {
case CFFPS_DEBUGFS_ON_OFF_CONFIG:
pmbus_set_page(psu->client, 0);
pmbus_set_page(psu->client, 0, 0xff);
rc = simple_write_to_buffer(&data, 1, ppos, buf, count);
if (rc <= 0)
@@ -325,13 +325,13 @@ static int ibm_cffps_read_byte_data(struct i2c_client *client, int page,
}
static int ibm_cffps_read_word_data(struct i2c_client *client, int page,
int reg)
int phase, int reg)
{
int rc, mfr;
switch (reg) {
case PMBUS_STATUS_WORD:
rc = pmbus_read_word_data(client, page, reg);
rc = pmbus_read_word_data(client, page, phase, reg);
if (rc < 0)
return rc;
@@ -348,7 +348,8 @@ static int ibm_cffps_read_word_data(struct i2c_client *client, int page,
rc |= PB_STATUS_OFF;
break;
case PMBUS_VIRT_READ_VMON:
rc = pmbus_read_word_data(client, page, CFFPS_12VCS_VOUT_CMD);
rc = pmbus_read_word_data(client, page, phase,
CFFPS_12VCS_VOUT_CMD);
break;
default:
rc = -ENODATA;
@@ -379,7 +380,7 @@ static int ibm_cffps_led_brightness_set(struct led_classdev *led_cdev,
dev_dbg(&psu->client->dev, "LED brightness set: %d. Command: %d.\n",
brightness, next_led_state);
pmbus_set_page(psu->client, 0);
pmbus_set_page(psu->client, 0, 0xff);
rc = i2c_smbus_write_byte_data(psu->client, CFFPS_SYS_CONFIG_CMD,
next_led_state);
@@ -401,7 +402,7 @@ static int ibm_cffps_led_blink_set(struct led_classdev *led_cdev,
dev_dbg(&psu->client->dev, "LED blink set.\n");
pmbus_set_page(psu->client, 0);
pmbus_set_page(psu->client, 0, 0xff);
rc = i2c_smbus_write_byte_data(psu->client, CFFPS_SYS_CONFIG_CMD,
CFFPS_LED_BLINK);