Linux-libre 4.2-gnu

1 files changed, 20 insertions, 7 deletions

diff --git a/drivers/pinctrl/pinctrl-tegra-xusb.c b/drivers/pinctrl/pinctrl-tegra-xusb.c
index 753d747d4..2651d04bd 100644
--- a/drivers/pinctrl/pinctrl-tegra-xusb.c
+++ b/drivers/pinctrl/pinctrl-tegra-xusb.c
@@ -59,11 +59,6 @@ struct tegra_xusb_padctl_function {
 	unsigned int num_groups;
 };
 
-struct tegra_xusb_padctl_group {
-	const unsigned int *funcs;
-	unsigned int num_funcs;
-};
-
 struct tegra_xusb_padctl_soc {
 	const struct pinctrl_pin_desc *pins;
 	unsigned int num_pins;
@@ -130,6 +125,21 @@ static const char *tegra_xusb_padctl_get_group_name(struct pinctrl_dev *pinctrl,
 	return padctl->soc->pins[group].name;
 }
 
+static int tegra_xusb_padctl_get_group_pins(struct pinctrl_dev *pinctrl,
+					    unsigned group,
+					    const unsigned **pins,
+					    unsigned *num_pins)
+{
+	/*
+	 * For the tegra-xusb pad controller groups are synonomous
+	 * with lanes/pins and there is always one lane/pin per group.
+	 */
+	*pins = &pinctrl->desc->pins[group].number;
+	*num_pins = 1;
+
+	return 0;
+}
+
 enum tegra_xusb_padctl_param {
 	TEGRA_XUSB_PADCTL_IDDQ,
 };
@@ -253,6 +263,7 @@ static int tegra_xusb_padctl_dt_node_to_map(struct pinctrl_dev *pinctrl,
 static const struct pinctrl_ops tegra_xusb_padctl_pinctrl_ops = {
 	.get_groups_count = tegra_xusb_padctl_get_groups_count,
 	.get_group_name = tegra_xusb_padctl_get_group_name,
+	.get_group_pins = tegra_xusb_padctl_get_group_pins,
 	.dt_node_to_map = tegra_xusb_padctl_dt_node_to_map,
 	.dt_free_map = pinctrl_utils_dt_free_map,
 };
@@ -903,15 +914,17 @@ static int tegra_xusb_padctl_probe(struct platform_device *pdev)
 
 	memset(&padctl->desc, 0, sizeof(padctl->desc));
 	padctl->desc.name = dev_name(padctl->dev);
+	padctl->desc.pins = tegra124_pins;
+	padctl->desc.npins = ARRAY_SIZE(tegra124_pins);
 	padctl->desc.pctlops = &tegra_xusb_padctl_pinctrl_ops;
 	padctl->desc.pmxops = &tegra_xusb_padctl_pinmux_ops;
 	padctl->desc.confops = &tegra_xusb_padctl_pinconf_ops;
 	padctl->desc.owner = THIS_MODULE;
 
 	padctl->pinctrl = pinctrl_register(&padctl->desc, &pdev->dev, padctl);
-	if (!padctl->pinctrl) {
+	if (IS_ERR(padctl->pinctrl)) {
 		dev_err(&pdev->dev, "failed to register pincontrol\n");
-		err = -ENODEV;
+		err = PTR_ERR(padctl->pinctrl);
 		goto reset;
 	}