[PATCH v2 1/4] hwmon: (pmbus): Switch status registers to 16 bit
From: Eddie James
Date: Thu Aug 10 2017 - 17:58:50 EST
From: "Edward A. James" <eajames@xxxxxxxxxx>
Switch the storage of status registers to 16 bit values. This allows us
to store all the bits of STATUS_WORD.
Signed-off-by: Edward A. James <eajames@xxxxxxxxxx>
---
drivers/hwmon/pmbus/pmbus_core.c | 14 +++++++-------
1 file changed, 7 insertions(+), 7 deletions(-)
diff --git a/drivers/hwmon/pmbus/pmbus_core.c b/drivers/hwmon/pmbus/pmbus_core.c
index f1eff6b..4ec7586 100644
--- a/drivers/hwmon/pmbus/pmbus_core.c
+++ b/drivers/hwmon/pmbus/pmbus_core.c
@@ -112,7 +112,7 @@ struct pmbus_data {
* A single status register covers multiple attributes,
* so we keep them all together.
*/
- u8 status[PB_NUM_STATUS_REG];
+ u16 status[PB_NUM_STATUS_REG];
u8 status_register;
u8 currpage;
@@ -716,10 +716,10 @@ static int pmbus_get_boolean(struct pmbus_data *data, struct pmbus_boolean *b,
{
struct pmbus_sensor *s1 = b->s1;
struct pmbus_sensor *s2 = b->s2;
- u16 reg = (index >> 8) & 0xffff;
- u8 mask = index & 0xff;
+ u16 reg = (index >> 16) & 0xffff;
+ u16 mask = index & 0xffff;
int ret, status;
- u8 regval;
+ u16 regval;
status = data->status[reg];
if (status < 0)
@@ -860,7 +860,7 @@ static int pmbus_add_boolean(struct pmbus_data *data,
const char *name, const char *type, int seq,
struct pmbus_sensor *s1,
struct pmbus_sensor *s2,
- u16 reg, u8 mask)
+ u16 reg, u16 mask)
{
struct pmbus_boolean *boolean;
struct sensor_device_attribute *a;
@@ -876,7 +876,7 @@ static int pmbus_add_boolean(struct pmbus_data *data,
boolean->s1 = s1;
boolean->s2 = s2;
pmbus_attr_init(a, boolean->name, S_IRUGO, pmbus_show_boolean, NULL,
- (reg << 8) | mask);
+ (reg << 16) | mask);
return pmbus_add_attribute(data, &a->dev_attr.attr);
}
@@ -962,7 +962,7 @@ struct pmbus_limit_attr {
*/
struct pmbus_sensor_attr {
u16 reg; /* sensor register */
- u8 gbit; /* generic status bit */
+ u16 gbit; /* generic status bit */
u8 nlimit; /* # of limit registers */
enum pmbus_sensor_classes class;/* sensor class */
const char *label; /* sensor label */
--
1.8.3.1