Merge tag 'kconfig-v5.11' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy...

[linux-2.6-microblaze.git] / drivers / clk / clk-divider.c

diff --git a/drivers/clk/clk-divider.c b/drivers/clk/clk-divider.c
index 8de12cb..c499799 100644 (file)
--- a/drivers/clk/clk-divider.c
+++ b/drivers/clk/clk-divider.c
@@ -8,6 +8,7 @@
  */
 
 #include <linux/clk-provider.h>
+#include <linux/device.h>
 #include <linux/module.h>
 #include <linux/slab.h>
 #include <linux/io.h>
@@ -578,3 +579,36 @@ void clk_hw_unregister_divider(struct clk_hw *hw)
        kfree(div);
 }
 EXPORT_SYMBOL_GPL(clk_hw_unregister_divider);
+
+static void devm_clk_hw_release_divider(struct device *dev, void *res)
+{
+       clk_hw_unregister_divider(*(struct clk_hw **)res);
+}
+
+struct clk_hw *__devm_clk_hw_register_divider(struct device *dev,
+               struct device_node *np, const char *name,
+               const char *parent_name, const struct clk_hw *parent_hw,
+               const struct clk_parent_data *parent_data, unsigned long flags,
+               void __iomem *reg, u8 shift, u8 width, u8 clk_divider_flags,
+               const struct clk_div_table *table, spinlock_t *lock)
+{
+       struct clk_hw **ptr, *hw;
+
+       ptr = devres_alloc(devm_clk_hw_release_divider, sizeof(*ptr), GFP_KERNEL);
+       if (!ptr)
+               return ERR_PTR(-ENOMEM);
+
+       hw = __clk_hw_register_divider(dev, np, name, parent_name, parent_hw,
+                                      parent_data, flags, reg, shift, width,
+                                      clk_divider_flags, table, lock);
+
+       if (!IS_ERR(hw)) {
+               *ptr = hw;
+               devres_add(dev, ptr);
+       } else {
+               devres_free(ptr);
+       }
+
+       return hw;
+}
+EXPORT_SYMBOL_GPL(__devm_clk_hw_register_divider);