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authorElaine Zhang2020-09-14 10:22:23 +0800
committerHeiko Stuebner2020-09-22 15:16:38 +0200
commitea650c26611dd61adfcc8647d6144f2c9f453d90 (patch)
tree9c024161c452632258bd76de63f053b7fa683257 /drivers/clk
parent37353491d1a8c207685c138c3640bd43864b70d9 (diff)
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>
Diffstat (limited to 'drivers/clk')
-rw-r--r--drivers/clk/rockchip/clk.c52
1 files changed, 30 insertions, 22 deletions
diff --git a/drivers/clk/rockchip/clk.c b/drivers/clk/rockchip/clk.c
index 46409972983e..b443169dd408 100644
--- 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);