clk: rockchip: Export some clock common APIs for module drivers

This is used by the Rockchip clk driver, export it to allow that
driver to be compiled as a module.

Signed-off-by: Elaine Zhang <zhangqing@rock-chips.com>
Reviewed-by: Kever Yang <kever.yang@rock-chips.com>
Reviewed-by: Stephen Boyd <sboyd@kernel.org>
Link: https://lore.kernel.org/r/20200914022225.23613-5-zhangqing@rock-chips.com
Signed-off-by: Heiko Stuebner <heiko@sntech.de>

diff --git a/drivers/clk/rockchip/clk.c b/drivers/clk/rockchip/clk.c
index 4640997..b443169 100644 (file)
--- a/drivers/clk/rockchip/clk.c
+++ b/drivers/clk/rockchip/clk.c
@@ -360,8 +360,9 @@ static struct clk *rockchip_clk_register_factor_branch(const char *name,
        return hw->clk;
 }
 
-struct rockchip_clk_provider * __init rockchip_clk_init(struct device_node *np,
-                       void __iomem *base, unsigned long nr_clks)
+struct rockchip_clk_provider *rockchip_clk_init(struct device_node *np,
+                                               void __iomem *base,
+                                               unsigned long nr_clks)
 {
        struct rockchip_clk_provider *ctx;
        struct clk **clk_table;
@@ -393,14 +394,16 @@ err_free:
        kfree(ctx);
        return ERR_PTR(-ENOMEM);
 }
+EXPORT_SYMBOL_GPL(rockchip_clk_init);
 
-void __init rockchip_clk_of_add_provider(struct device_node *np,
-                               struct rockchip_clk_provider *ctx)
+void rockchip_clk_of_add_provider(struct device_node *np,
+                                 struct rockchip_clk_provider *ctx)
 {
        if (of_clk_add_provider(np, of_clk_src_onecell_get,
                                &ctx->clk_data))
                pr_err("%s: could not register clk provider\n", __func__);
 }
+EXPORT_SYMBOL_GPL(rockchip_clk_of_add_provider);
 
 void rockchip_clk_add_lookup(struct rockchip_clk_provider *ctx,
                             struct clk *clk, unsigned int id)
@@ -408,8 +411,9 @@ void rockchip_clk_add_lookup(struct rockchip_clk_provider *ctx,
        if (ctx->clk_data.clks && id)
                ctx->clk_data.clks[id] = clk;
 }
+EXPORT_SYMBOL_GPL(rockchip_clk_add_lookup);
 
-void __init rockchip_clk_register_plls(struct rockchip_clk_provider *ctx,
+void rockchip_clk_register_plls(struct rockchip_clk_provider *ctx,
                                struct rockchip_pll_clock *list,
                                unsigned int nr_pll, int grf_lock_offset)
 {
@@ -432,11 +436,11 @@ void __init rockchip_clk_register_plls(struct rockchip_clk_provider *ctx,
                rockchip_clk_add_lookup(ctx, clk, list->id);
        }
 }
+EXPORT_SYMBOL_GPL(rockchip_clk_register_plls);
 
-void __init rockchip_clk_register_branches(
-                                     struct rockchip_clk_provider *ctx,
-                                     struct rockchip_clk_branch *list,
-                                     unsigned int nr_clk)
+void rockchip_clk_register_branches(struct rockchip_clk_provider *ctx,
+                                   struct rockchip_clk_branch *list,
+                                   unsigned int nr_clk)
 {
        struct clk *clk = NULL;
        unsigned int idx;
@@ -565,14 +569,15 @@ void __init rockchip_clk_register_branches(
                rockchip_clk_add_lookup(ctx, clk, list->id);
        }
 }
-
-void __init rockchip_clk_register_armclk(struct rockchip_clk_provider *ctx,
-                       unsigned int lookup_id,
-                       const char *name, const char *const *parent_names,
-                       u8 num_parents,
-                       const struct rockchip_cpuclk_reg_data *reg_data,
-                       const struct rockchip_cpuclk_rate_table *rates,
-                       int nrates)
+EXPORT_SYMBOL_GPL(rockchip_clk_register_branches);
+
+void rockchip_clk_register_armclk(struct rockchip_clk_provider *ctx,
+                                 unsigned int lookup_id,
+                                 const char *name, const char *const *parent_names,
+                                 u8 num_parents,
+                                 const struct rockchip_cpuclk_reg_data *reg_data,
+                                 const struct rockchip_cpuclk_rate_table *rates,
+                                 int nrates)
 {
        struct clk *clk;
 
@@ -587,9 +592,10 @@ void __init rockchip_clk_register_armclk(struct rockchip_clk_provider *ctx,
 
        rockchip_clk_add_lookup(ctx, clk, lookup_id);
 }
+EXPORT_SYMBOL_GPL(rockchip_clk_register_armclk);
 
-void __init rockchip_clk_protect_critical(const char *const clocks[],
-                                         int nclocks)
+void rockchip_clk_protect_critical(const char *const clocks[],
+                                  int nclocks)
 {
        int i;
 
@@ -601,6 +607,7 @@ void __init rockchip_clk_protect_critical(const char *const clocks[],
                        clk_prepare_enable(clk);
        }
 }
+EXPORT_SYMBOL_GPL(rockchip_clk_protect_critical);
 
 static void __iomem *rst_base;
 static unsigned int reg_restart;
@@ -620,10 +627,10 @@ static struct notifier_block rockchip_restart_handler = {
        .priority = 128,
 };
 
-void __init
+void
 rockchip_register_restart_notifier(struct rockchip_clk_provider *ctx,
-                                              unsigned int reg,
-                                              void (*cb)(void))
+                                  unsigned int reg,
+                                  void (*cb)(void))
 {
        int ret;
 
@@ -635,3 +642,4 @@ rockchip_register_restart_notifier(struct rockchip_clk_provider *ctx,
                pr_err("%s: cannot register restart handler, %d\n",
                       __func__, ret);
 }
+EXPORT_SYMBOL_GPL(rockchip_register_restart_notifier);