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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>
This commit is contained in:
parent
37353491d1
commit
ea650c2661
1 changed files with 29 additions and 21 deletions
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@ -360,8 +360,9 @@ static struct clk *rockchip_clk_register_factor_branch(const char *name,
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return hw->clk;
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}
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struct rockchip_clk_provider * __init rockchip_clk_init(struct device_node *np,
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void __iomem *base, unsigned long nr_clks)
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struct rockchip_clk_provider *rockchip_clk_init(struct device_node *np,
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void __iomem *base,
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unsigned long nr_clks)
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{
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struct rockchip_clk_provider *ctx;
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struct clk **clk_table;
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@ -393,14 +394,16 @@ struct rockchip_clk_provider * __init rockchip_clk_init(struct device_node *np,
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kfree(ctx);
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return ERR_PTR(-ENOMEM);
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}
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EXPORT_SYMBOL_GPL(rockchip_clk_init);
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void __init rockchip_clk_of_add_provider(struct device_node *np,
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struct rockchip_clk_provider *ctx)
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void rockchip_clk_of_add_provider(struct device_node *np,
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struct rockchip_clk_provider *ctx)
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{
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if (of_clk_add_provider(np, of_clk_src_onecell_get,
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&ctx->clk_data))
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pr_err("%s: could not register clk provider\n", __func__);
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}
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EXPORT_SYMBOL_GPL(rockchip_clk_of_add_provider);
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void rockchip_clk_add_lookup(struct rockchip_clk_provider *ctx,
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struct clk *clk, unsigned int id)
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@ -408,8 +411,9 @@ void rockchip_clk_add_lookup(struct rockchip_clk_provider *ctx,
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if (ctx->clk_data.clks && id)
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ctx->clk_data.clks[id] = clk;
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}
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EXPORT_SYMBOL_GPL(rockchip_clk_add_lookup);
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void __init rockchip_clk_register_plls(struct rockchip_clk_provider *ctx,
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void rockchip_clk_register_plls(struct rockchip_clk_provider *ctx,
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struct rockchip_pll_clock *list,
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unsigned int nr_pll, int grf_lock_offset)
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{
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@ -432,11 +436,11 @@ void __init rockchip_clk_register_plls(struct rockchip_clk_provider *ctx,
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rockchip_clk_add_lookup(ctx, clk, list->id);
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}
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}
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EXPORT_SYMBOL_GPL(rockchip_clk_register_plls);
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void __init rockchip_clk_register_branches(
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struct rockchip_clk_provider *ctx,
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struct rockchip_clk_branch *list,
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unsigned int nr_clk)
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void rockchip_clk_register_branches(struct rockchip_clk_provider *ctx,
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struct rockchip_clk_branch *list,
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unsigned int nr_clk)
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{
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struct clk *clk = NULL;
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unsigned int idx;
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@ -565,14 +569,15 @@ void __init rockchip_clk_register_branches(
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rockchip_clk_add_lookup(ctx, clk, list->id);
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}
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}
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EXPORT_SYMBOL_GPL(rockchip_clk_register_branches);
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void __init rockchip_clk_register_armclk(struct rockchip_clk_provider *ctx,
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unsigned int lookup_id,
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const char *name, const char *const *parent_names,
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u8 num_parents,
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const struct rockchip_cpuclk_reg_data *reg_data,
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const struct rockchip_cpuclk_rate_table *rates,
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int nrates)
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void rockchip_clk_register_armclk(struct rockchip_clk_provider *ctx,
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unsigned int lookup_id,
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const char *name, const char *const *parent_names,
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u8 num_parents,
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const struct rockchip_cpuclk_reg_data *reg_data,
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const struct rockchip_cpuclk_rate_table *rates,
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int nrates)
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{
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struct clk *clk;
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@ -587,9 +592,10 @@ void __init rockchip_clk_register_armclk(struct rockchip_clk_provider *ctx,
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rockchip_clk_add_lookup(ctx, clk, lookup_id);
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}
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EXPORT_SYMBOL_GPL(rockchip_clk_register_armclk);
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void __init rockchip_clk_protect_critical(const char *const clocks[],
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int nclocks)
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void rockchip_clk_protect_critical(const char *const clocks[],
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int nclocks)
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{
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int i;
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@ -601,6 +607,7 @@ void __init rockchip_clk_protect_critical(const char *const clocks[],
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clk_prepare_enable(clk);
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}
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}
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EXPORT_SYMBOL_GPL(rockchip_clk_protect_critical);
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static void __iomem *rst_base;
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static unsigned int reg_restart;
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@ -620,10 +627,10 @@ static struct notifier_block rockchip_restart_handler = {
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.priority = 128,
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};
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void __init
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void
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rockchip_register_restart_notifier(struct rockchip_clk_provider *ctx,
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unsigned int reg,
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void (*cb)(void))
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unsigned int reg,
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void (*cb)(void))
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{
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int ret;
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@ -635,3 +642,4 @@ rockchip_register_restart_notifier(struct rockchip_clk_provider *ctx,
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pr_err("%s: cannot register restart handler, %d\n",
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__func__, ret);
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}
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EXPORT_SYMBOL_GPL(rockchip_register_restart_notifier);
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