On Friday 27 February 2009, Liam Girdwood wrote:
> Sorry, this didn't apply. It looks like I'm missing an earlier patch(s)
> here. Could you regenerate this and your core patch against latest
> for-next.
Here you go.
- Dave
========== CUT HERE
From: David Brownell <dbrownell@xxxxxxxxxxxxxxxxxxxxx>
Minor cleanups to the twl403 regulator driver, mostly enabled
by other recent changes: comments, shrink memory usage, add
definition for one bit.
Signed-off-by: David Brownell <dbrownell@xxxxxxxxxxxxxxxxxxxxx>
---
drivers/regulator/twl4030-regulator.c | 16 +++++++++-------
1 file changed, 9 insertions(+), 7 deletions(-)
--- a/drivers/regulator/twl4030-regulator.c
+++ b/drivers/regulator/twl4030-regulator.c
@@ -36,13 +36,13 @@ struct twlreg_info {
/* twl4030 resource ID, for resource control state machine */
u8 id;
+ /* FIXED_LDO voltage */
+ u8 deciV;
+
/* voltage in mV = table[VSEL]; table_len must be a power-of-two */
u8 table_len;
const u16 *table;
- /* chip constraints on regulator behavior */
- u16 min_mV;
-
/* used by regulator core */
struct regulator_desc desc;
};
@@ -93,6 +93,7 @@ static int twl4030reg_grp(struct regulat
#define P3_GRP BIT(7) /* "peripherals" */
#define P2_GRP BIT(6) /* secondary processor, modem, etc */
#define P1_GRP BIT(5) /* CPU/Linux */
+#define WARM_CFG BIT(4)
static int twl4030reg_is_enabled(struct regulator_dev *rdev)
{
@@ -325,14 +326,14 @@ static int twl4030fixed_list_voltage(str
{
struct twlreg_info *info = rdev_get_drvdata(rdev);
- return info->min_mV * 1000;
+ return info->deciV * 100 * 1000;
}
static int twl4030fixed_get_voltage(struct regulator_dev *rdev)
{
struct twlreg_info *info = rdev_get_drvdata(rdev);
- return info->min_mV * 1000;
+ return info->deciV * 100 * 1000;
}
static struct regulator_ops twl4030fixed_ops = {
@@ -369,7 +370,7 @@ static struct regulator_ops twl4030fixed
#define TWL_FIXED_LDO(label, offset, mVolts, num) { \
.base = offset, \
.id = num, \
- .min_mV = mVolts, \
+ .deciV = mVolts / 100 , \
.desc = { \
.name = #label, \
.id = TWL4030_REG_##label, \
@@ -381,7 +382,7 @@ static struct regulator_ops twl4030fixed
}
/*
- * We list regulators here if systems need some level of
+ * We expose regulators here if systems need some level of
* software control over them after boot.
*/
static struct twlreg_info twl4030_regs[] = {
@@ -435,6 +436,7 @@ static int twl4030reg_probe(struct platf
/* Constrain board-specific capabilities according to what
* this driver and the chip itself can actually do.
+ * (Regulator core now does this for voltage constraints.)
*/
c = &initdata->constraints;
c->valid_modes_mask &= REGULATOR_MODE_NORMAL | REGULATOR_MODE_STANDBY;
--
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