1 files changed, 14 insertions, 0 deletions

diff --git a/drivers/clk/sunxi-ng/ccu_reset.c b/drivers/clk/sunxi-ng/ccu_reset.c
index 1dc4e98ea802..b67149143554 100644
--- a/drivers/clk/sunxi-ng/ccu_reset.c
+++ b/drivers/clk/sunxi-ng/ccu_reset.c
@@ -60,8 +60,22 @@ static int ccu_reset_reset(struct reset_controller_dev *rcdev,
         return 0;
 }
 
+static int ccu_reset_status(struct reset_controller_dev *rcdev,
+                            unsigned long id)
+{
+        struct ccu_reset *ccu = rcdev_to_ccu_reset(rcdev);
+        const struct ccu_reset_map *map = &ccu->reset_map[id];
+
+        /*
+         * The reset control API expects 0 if reset is not asserted,
+         * which is the opposite of what our hardware uses.
+         */
+        return !(map->bit & readl(ccu->base + map->reg));
+}
+
 const struct reset_control_ops ccu_reset_ops = {
         .assert         = ccu_reset_assert,
         .deassert       = ccu_reset_deassert,
         .reset          = ccu_reset_reset,
+        .status         = ccu_reset_status,
 };