Re: [v2,1/4] hwmon: (pmbus): Switch status registers to 16 bit

From: Guenter Roeck
Date: Sun Aug 13 2017 - 09:36:43 EST


On Thu, Aug 10, 2017 at 04:57:47PM -0500, eajames@xxxxxxxxxxxxxxxxxx wrote:
> 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>

Applied to hwmon-next.

Thanks,
Guenter

> ---
> 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 */