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path: root/drivers/input/misc/twl6040-vibra.c
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Diffstat (limited to 'drivers/input/misc/twl6040-vibra.c')
-rw-r--r--drivers/input/misc/twl6040-vibra.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/input/misc/twl6040-vibra.c b/drivers/input/misc/twl6040-vibra.c
index 7864b0c3ebb3..77dc23b94eb1 100644
--- a/drivers/input/misc/twl6040-vibra.c
+++ b/drivers/input/misc/twl6040-vibra.c
@@ -258,17 +258,14 @@ static SIMPLE_DEV_PM_OPS(twl6040_vibra_pm_ops, twl6040_vibra_suspend, NULL);
static int twl6040_vibra_probe(struct platform_device *pdev)
{
struct device *twl6040_core_dev = pdev->dev.parent;
- struct device_node *twl6040_core_node = NULL;
+ struct device_node *twl6040_core_node;
struct vibra_info *info;
int vddvibl_uV = 0;
int vddvibr_uV = 0;
int ret;
-#ifdef CONFIG_OF
twl6040_core_node = of_find_node_by_name(twl6040_core_dev->of_node,
"vibra");
-#endif
-
if (!twl6040_core_node) {
dev_err(&pdev->dev, "parent of node is missing?\n");
return -EINVAL;
@@ -276,6 +273,7 @@ static int twl6040_vibra_probe(struct platform_device *pdev)
info = devm_kzalloc(&pdev->dev, sizeof(*info), GFP_KERNEL);
if (!info) {
+ of_node_put(twl6040_core_node);
dev_err(&pdev->dev, "couldn't allocate memory\n");
return -ENOMEM;
}
@@ -295,6 +293,8 @@ static int twl6040_vibra_probe(struct platform_device *pdev)
of_property_read_u32(twl6040_core_node, "ti,vddvibl-uV", &vddvibl_uV);
of_property_read_u32(twl6040_core_node, "ti,vddvibr-uV", &vddvibr_uV);
+ of_node_put(twl6040_core_node);
+
if ((!info->vibldrv_res && !info->viblmotor_res) ||
(!info->vibrdrv_res && !info->vibrmotor_res)) {
dev_err(info->dev, "invalid vibra driver/motor resistance\n");