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Commit f71eddb1 authored by Paul Walmsley's avatar Paul Walmsley
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OMAP clock: compress clock flags down to a u8 



There are now only eight OMAP clock flags, so renumber the flags to
fit in a u8 and shrink the size of struct clk.flags from a u32 to a
u8.  The intention is to save memory.

Signed-off-by: default avatarPaul Walmsley <paul@pwsan.com>
parent 1a337717

arch/arm/plat-omap/include/plat/clock.h

+9 −15
Original line number Diff line number Diff line
@@ -125,7 +125,6 @@ struct clk { 
	struct list_head	children;

	struct list_head	sibling;	/* node for children */

	unsigned long		rate;

	__u32			flags;

	void __iomem		*enable_reg;

	unsigned long		(*recalc)(struct clk *);

	int			(*set_rate)(struct clk *, unsigned long);
@@ -134,6 +133,7 @@ struct clk { 
	__u8			enable_bit;

	__s8			usecount;

	u8			fixed_div;

	u8			flags;

#ifdef CONFIG_ARCH_OMAP2PLUS

	void __iomem		*clksel_reg;

	u32			clksel_mask;
@@ -187,20 +187,14 @@ extern void clk_exit_cpufreq_table(struct cpufreq_frequency_table **table); 
extern const struct clkops clkops_null;



/* Clock flags */

/* bit 0 is free */

#define RATE_FIXED		(1 << 1)	/* Fixed clock rate */

/* bits 2-4 are free */

#define ENABLE_REG_32BIT	(1 << 5)	/* Use 32-bit access */

/* bit 6 is free */

#define CLOCK_IDLE_CONTROL	(1 << 7)

#define CLOCK_NO_IDLE_PARENT	(1 << 8)

#define DELAYED_APP		(1 << 9)	/* Delay application of clock */

/* bit 10 is currently free */

#define ENABLE_ON_INIT		(1 << 11)	/* Enable upon framework init */

#define INVERT_ENABLE		(1 << 12)	/* 0 enables, 1 disables */

/* bit 13 is currently free */

#define ALWAYS_ENABLED		(1 << 14)

/* bits 15-31 are currently free */

#define RATE_FIXED		(1 << 0)	/* Fixed clock rate */

#define ENABLE_REG_32BIT	(1 << 1)	/* Use 32-bit access */

#define CLOCK_IDLE_CONTROL	(1 << 2)

#define CLOCK_NO_IDLE_PARENT	(1 << 3)

#define DELAYED_APP		(1 << 4)	/* Delay application of clock */

#define ENABLE_ON_INIT		(1 << 5)	/* Enable upon framework init */

#define INVERT_ENABLE		(1 << 6)	/* 0 enables, 1 disables */

#define ALWAYS_ENABLED		(1 << 7)



/* Clksel_rate flags */

#define DEFAULT_RATE		(1 << 0)