9919d44ff2
We'd like to privatize __clk_get(), but the sunxi clk driver is calling this function to keep a reference held on the clk and call clk_prepare_enable() on it. We support this design in the clk core now with the CLK_IS_CRITICAL flag, so let's just use that instead. Acked-by: Maxime Ripard <maxime.ripard@free-electrons.com> Reviewed-by: Chen-Yu Tsai <wens@csie.org> Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
66 lines
1.4 KiB
C
66 lines
1.4 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef __MACH_SUNXI_CLK_FACTORS_H
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#define __MACH_SUNXI_CLK_FACTORS_H
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#include <linux/clk-provider.h>
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#include <linux/spinlock.h>
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#define SUNXI_FACTORS_NOT_APPLICABLE (0)
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struct clk_factors_config {
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u8 nshift;
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u8 nwidth;
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u8 kshift;
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u8 kwidth;
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u8 mshift;
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u8 mwidth;
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u8 pshift;
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u8 pwidth;
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u8 n_start;
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};
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struct factors_request {
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unsigned long rate;
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unsigned long parent_rate;
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u8 parent_index;
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u8 n;
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u8 k;
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u8 m;
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u8 p;
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};
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struct factors_data {
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int enable;
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int mux;
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int muxmask;
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const struct clk_factors_config *table;
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void (*getter)(struct factors_request *req);
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void (*recalc)(struct factors_request *req);
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const char *name;
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};
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struct clk_factors {
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struct clk_hw hw;
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void __iomem *reg;
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const struct clk_factors_config *config;
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void (*get_factors)(struct factors_request *req);
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void (*recalc)(struct factors_request *req);
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spinlock_t *lock;
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/* for cleanup */
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struct clk_mux *mux;
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struct clk_gate *gate;
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};
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struct clk *sunxi_factors_register(struct device_node *node,
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const struct factors_data *data,
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spinlock_t *lock,
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void __iomem *reg);
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struct clk *sunxi_factors_register_critical(struct device_node *node,
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const struct factors_data *data,
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spinlock_t *lock,
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void __iomem *reg);
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void sunxi_factors_unregister(struct device_node *node, struct clk *clk);
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#endif
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