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path: root/drivers/pinctrl/pinctrl-single.c
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Diffstat (limited to 'drivers/pinctrl/pinctrl-single.c')
-rw-r--r--drivers/pinctrl/pinctrl-single.c35
1 files changed, 24 insertions, 11 deletions
diff --git a/drivers/pinctrl/pinctrl-single.c b/drivers/pinctrl/pinctrl-single.c
index 6866548fab31..a82ace4d9a20 100644
--- a/drivers/pinctrl/pinctrl-single.c
+++ b/drivers/pinctrl/pinctrl-single.c
@@ -209,7 +209,7 @@ struct pcs_device {
static int pcs_pinconf_get(struct pinctrl_dev *pctldev, unsigned pin,
unsigned long *config);
static int pcs_pinconf_set(struct pinctrl_dev *pctldev, unsigned pin,
- unsigned long config);
+ unsigned long *configs, unsigned num_configs);
static enum pin_config_param pcs_bias[] = {
PIN_CONFIG_BIAS_PULL_DOWN,
@@ -536,7 +536,7 @@ static void pcs_pinconf_clear_bias(struct pinctrl_dev *pctldev, unsigned pin)
int i;
for (i = 0; i < ARRAY_SIZE(pcs_bias); i++) {
config = pinconf_to_config_packed(pcs_bias[i], 0);
- pcs_pinconf_set(pctldev, pin, config);
+ pcs_pinconf_set(pctldev, pin, &config, 1);
}
}
@@ -622,22 +622,28 @@ static int pcs_pinconf_get(struct pinctrl_dev *pctldev,
}
static int pcs_pinconf_set(struct pinctrl_dev *pctldev,
- unsigned pin, unsigned long config)
+ unsigned pin, unsigned long *configs,
+ unsigned num_configs)
{
struct pcs_device *pcs = pinctrl_dev_get_drvdata(pctldev);
struct pcs_function *func;
unsigned offset = 0, shift = 0, i, data, ret;
u16 arg;
+ int j;
ret = pcs_get_function(pctldev, pin, &func);
if (ret)
return ret;
- for (i = 0; i < func->nconfs; i++) {
- if (pinconf_to_config_param(config) == func->conf[i].param) {
+ for (j = 0; j < num_configs; j++) {
+ for (i = 0; i < func->nconfs; i++) {
+ if (pinconf_to_config_param(configs[j])
+ != func->conf[i].param)
+ continue;
+
offset = pin * (pcs->width / BITS_PER_BYTE);
data = pcs->read(pcs->base + offset);
- arg = pinconf_to_config_argument(config);
+ arg = pinconf_to_config_argument(configs[j]);
switch (func->conf[i].param) {
/* 2 parameters */
case PIN_CONFIG_INPUT_SCHMITT:
@@ -667,10 +673,14 @@ static int pcs_pinconf_set(struct pinctrl_dev *pctldev,
return -ENOTSUPP;
}
pcs->write(data, pcs->base + offset);
- return 0;
+
+ break;
}
- }
- return -ENOTSUPP;
+ if (i >= func->nconfs)
+ return -ENOTSUPP;
+ } /* for each config */
+
+ return 0;
}
static int pcs_pinconf_group_get(struct pinctrl_dev *pctldev,
@@ -695,7 +705,8 @@ static int pcs_pinconf_group_get(struct pinctrl_dev *pctldev,
}
static int pcs_pinconf_group_set(struct pinctrl_dev *pctldev,
- unsigned group, unsigned long config)
+ unsigned group, unsigned long *configs,
+ unsigned num_configs)
{
const unsigned *pins;
unsigned npins;
@@ -705,7 +716,7 @@ static int pcs_pinconf_group_set(struct pinctrl_dev *pctldev,
if (ret)
return ret;
for (i = 0; i < npins; i++) {
- if (pcs_pinconf_set(pctldev, pins[i], config))
+ if (pcs_pinconf_set(pctldev, pins[i], configs, num_configs))
return -ENOTSUPP;
}
return 0;
@@ -1483,6 +1494,7 @@ static int pcs_add_gpio_func(struct device_node *node, struct pcs_device *pcs)
return ret;
}
+#ifdef CONFIG_PM
static int pinctrl_single_suspend(struct platform_device *pdev,
pm_message_t state)
{
@@ -1505,6 +1517,7 @@ static int pinctrl_single_resume(struct platform_device *pdev)
return pinctrl_force_default(pcs->pctl);
}
+#endif
static int pcs_probe(struct platform_device *pdev)
{