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Commit 678ea28b authored by Russell King's avatar Russell King
Browse files

ARM: l2c: remove old .set_debug method 



We no longer need or require the .set_debug method; we handle everything
it used to do via the .write_sec method instead.

Signed-off-by: default avatarRussell King <rmk+kernel@arm.linux.org.uk>
parent 851d6d71

arch/arm/include/asm/outercache.h

+0 −1
Original line number Diff line number Diff line
@@ -35,7 +35,6 @@ struct outer_cache_fns { 
	void (*resume)(void);



	/* This is an ARM L2C thing */

	void (*set_debug)(unsigned long);

	void (*write_sec)(unsigned long, unsigned);

};

arch/arm/mm/cache-l2x0.c

+2 −19
Original line number Diff line number Diff line
@@ -81,9 +81,6 @@ static void l2c_write_sec(unsigned long val, void __iomem *base, unsigned reg) 
 */

static inline void l2c_set_debug(void __iomem *base, unsigned long val)

{

	if (outer_cache.set_debug)

		outer_cache.set_debug(val);

	else

	l2c_write_sec(val, base, L2X0_DEBUG_CTRL);

}
@@ -155,7 +152,6 @@ static inline void cache_sync(void) 
#if defined(CONFIG_PL310_ERRATA_588369) || defined(CONFIG_PL310_ERRATA_727915)

static inline void debug_writel(unsigned long val)

{

	if (outer_cache.set_debug || outer_cache.write_sec)

	l2c_set_debug(l2x0_base, val);

}

#else
@@ -514,11 +510,6 @@ static const struct l2c_init_data l2c220_data = { 
 *	Affects: store buffer

 *	store buffer is not automatically drained.

 */

static void l2c310_set_debug(unsigned long val)

{

	writel_relaxed(val, l2x0_base + L2X0_DEBUG_CTRL);

}



static void l2c310_inv_range_erratum(unsigned long start, unsigned long end)

{

	void __iomem *base = l2x0_base;
@@ -695,10 +686,6 @@ static void __init l2c310_fixup(void __iomem *base, u32 cache_id, 
	const char *errata[8];

	unsigned n = 0;



	/* For compatibility */

	if (revision <= L310_CACHE_ID_RTL_R3P0)

		fns->set_debug = l2c310_set_debug;



	if (IS_ENABLED(CONFIG_PL310_ERRATA_588369) &&

	    revision < L310_CACHE_ID_RTL_R2P0 &&

	    /* For bcm compatibility */
@@ -759,7 +746,6 @@ static const struct l2c_init_data l2c310_init_fns __initconst = { 
		.flush_all = l2c210_flush_all,

		.disable = l2c_disable,

		.sync = l2c210_sync,

		.set_debug = l2c310_set_debug,

		.resume = l2c310_resume,

	},

};
@@ -819,8 +805,6 @@ static void __init __l2c_init(const struct l2c_init_data *data, 
	fns.write_sec = outer_cache.write_sec;

	if (data->fixup)

		data->fixup(l2x0_base, cache_id, &fns);

	if (fns.write_sec)

		fns.set_debug = NULL;



	/*

	 * Check if l2x0 controller is already enabled.  If we are booting
@@ -1000,7 +984,6 @@ static const struct l2c_init_data of_l2c310_data __initconst = { 
		.flush_all   = l2c210_flush_all,

		.disable     = l2c_disable,

		.sync        = l2c210_sync,

		.set_debug   = l2c310_set_debug,

		.resume      = l2c310_resume,

	},

};