Author: manu
Date: Fri Jun 19 17:49:49 2020
New Revision: 362393
URL: https://svnweb.freebsd.org/changeset/base/362393
Log:
MFC r356803:
regulator_fixed: Add a get_voltage method
Some consumer cannot know the voltage of the regulator without it.
While here, refuse to attach is min_voltage != max_voltage, it
shouldn't happens anyway.
Modified:
stable/12/sys/dev/extres/regulator/regulator_fixed.c
Directory Properties:
stable/12/ (props changed)
Modified: stable/12/sys/dev/extres/regulator/regulator_fixed.c
==============================================================================
--- stable/12/sys/dev/extres/regulator/regulator_fixed.c Fri Jun 19
17:33:54 2020 (r362392)
+++ stable/12/sys/dev/extres/regulator/regulator_fixed.c Fri Jun 19
17:49:49 2020 (r362393)
@@ -73,6 +73,7 @@ static int regnode_fixed_enable(struct regnode *regnod
int *udelay);
static int regnode_fixed_status(struct regnode *regnode, int *status);
static int regnode_fixed_stop(struct regnode *regnode, int *udelay);
+static int regnode_fixed_get_voltage(struct regnode *regnode, int *uvolt);
static regnode_method_t regnode_fixed_methods[] = {
/* Regulator interface */
@@ -80,6 +81,7 @@ static regnode_method_t regnode_fixed_methods[] = {
REGNODEMETHOD(regnode_enable, regnode_fixed_enable),
REGNODEMETHOD(regnode_status, regnode_fixed_status),
REGNODEMETHOD(regnode_stop, regnode_fixed_stop),
+ REGNODEMETHOD(regnode_get_voltage, regnode_fixed_get_voltage),
REGNODEMETHOD(regnode_check_voltage, regnode_method_check_voltage),
REGNODEMETHOD_END
};
@@ -280,6 +282,16 @@ regnode_fixed_status(struct regnode *regnode, int *sta
return (rv);
}
+static int
+regnode_fixed_get_voltage(struct regnode *regnode, int *uvolt)
+{
+ struct regnode_fixed_sc *sc;
+
+ sc = regnode_get_softc(regnode);
+ *uvolt = sc->param->min_uvolt;
+ return (0);
+}
+
int
regnode_fixed_register(device_t dev, struct regnode_fixed_init_def *init_def)
{
@@ -382,6 +394,10 @@ regfix_parse_fdt(struct regfix_softc * sc)
return(rv);
}
+ if (init_def->std_param.min_uvolt != init_def->std_param.max_uvolt) {
+ device_printf(sc->dev, "min_uvolt != max_uvolt\n");
+ return (ENXIO);
+ }
/* Fixed regulator uses 'startup-delay-us' property for enable_delay */
rv = OF_getencprop(node, "startup-delay-us",
&init_def->std_param.enable_delay,
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