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Diffstat (limited to 'drivers/pinctrl/core.c')
-rw-r--r--drivers/pinctrl/core.c17
1 files changed, 10 insertions, 7 deletions
diff --git a/drivers/pinctrl/core.c b/drivers/pinctrl/core.c
index c0fe6091566a..e09474ecde23 100644
--- a/drivers/pinctrl/core.c
+++ b/drivers/pinctrl/core.c
@@ -468,6 +468,9 @@ int pinctrl_get_group_pins(struct pinctrl_dev *pctldev, const char *pin_group,
const struct pinctrl_ops *pctlops = pctldev->desc->pctlops;
int gs;
+ if (!pctlops->get_group_pins)
+ return -EINVAL;
+
gs = pinctrl_get_group_selector(pctldev, pin_group);
if (gs < 0)
return gs;
@@ -1362,15 +1365,16 @@ static int pinctrl_groups_show(struct seq_file *s, void *what)
seq_puts(s, "registered pin groups:\n");
while (selector < ngroups) {
- const unsigned *pins;
- unsigned num_pins;
+ const unsigned *pins = NULL;
+ unsigned num_pins = 0;
const char *gname = ops->get_group_name(pctldev, selector);
const char *pname;
- int ret;
+ int ret = 0;
int i;
- ret = ops->get_group_pins(pctldev, selector,
- &pins, &num_pins);
+ if (ops->get_group_pins)
+ ret = ops->get_group_pins(pctldev, selector,
+ &pins, &num_pins);
if (ret)
seq_printf(s, "%s [ERROR GETTING PINS]\n",
gname);
@@ -1694,8 +1698,7 @@ static int pinctrl_check_ops(struct pinctrl_dev *pctldev)
if (!ops ||
!ops->get_groups_count ||
- !ops->get_group_name ||
- !ops->get_group_pins)
+ !ops->get_group_name)
return -EINVAL;
if (ops->dt_node_to_map && !ops->dt_free_map)