1 files changed, 25 insertions, 0 deletions

diff --git a/drivers/nvmem/meson-efuse.c b/drivers/nvmem/meson-efuse.c
index 40b9df1d030d..99372768446b 100644
--- a/drivers/nvmem/meson-efuse.c
+++ b/drivers/nvmem/meson-efuse.c
@@ -14,6 +14,7 @@
  * more details.
  */
 
+#include <linux/clk.h>
 #include <linux/module.h>
 #include <linux/nvmem-provider.h>
 #include <linux/of.h>
@@ -46,7 +47,31 @@ static int meson_efuse_probe(struct platform_device *pdev)
         struct device *dev = &pdev->dev;
         struct nvmem_device *nvmem;
         struct nvmem_config *econfig;
+        struct clk *clk;
         unsigned int size;
+        int ret;
+
+        clk = devm_clk_get(dev, NULL);
+        if (IS_ERR(clk)) {
+                ret = PTR_ERR(clk);
+                if (ret != -EPROBE_DEFER)
+                        dev_err(dev, "failed to get efuse gate");
+                return ret;
+        }
+
+        ret = clk_prepare_enable(clk);
+        if (ret) {
+                dev_err(dev, "failed to enable gate");
+                return ret;
+        }
+
+        ret = devm_add_action_or_reset(dev,
+                                       (void(*)(void *))clk_disable_unprepare,
+                                       clk);
+        if (ret) {
+                dev_err(dev, "failed to add disable callback");
+                return ret;
+        }
 
         if (meson_sm_call(SM_EFUSE_USER_MAX, &size, 0, 0, 0, 0, 0) < 0) {
                 dev_err(dev, "failed to get max user");