ARM: l2c: omap2+: get rid of init call

Get rid of init call to initialize L2 cache.  Instead use the init_early
machine hook. This helps in using the initialization routine across
SoCs without the need of ugly cpu_is_*() checks.

Signed-off-by: Sekhar Nori <nsekhar@ti.com>
Acked-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

arch/arm/mach-omap2/common.h

@@ -91,6 +91,7 @@ extern void omap3_sync32k_timer_init(void);
 extern void omap3_secure_sync32k_timer_init(void);
 extern void omap3_gptimer_timer_init(void);
 extern void omap4_local_timer_init(void);
+int omap_l2_cache_init(void);
 extern void omap5_realtime_timer_init(void);
 
 void omap2420_init_early(void);

arch/arm/mach-omap2/io.c

@@ -640,6 +640,7 @@ void __init omap4430_init_early(void)
 	omap44xx_clockdomains_init();
 	omap44xx_hwmod_init();
 	omap_hwmod_init_postsetup();
+	omap_l2_cache_init();
 	omap_clk_soc_init = omap4xxx_dt_clk_init;
 }
 

arch/arm/mach-omap2/omap4-common.c

@@ -196,17 +196,10 @@ static void omap4_l2c310_write_sec(unsigned long val, unsigned reg)
 	omap_smc1(smc_op, val);
 }
 
-static int __init omap_l2_cache_init(void)
+int __init omap_l2_cache_init(void)
 {
 	u32 aux_ctrl;
 
-	/*
-	 * To avoid code running on other OMAPs in
-	 * multi-omap builds
-	 */
-	if (!cpu_is_omap44xx())
-		return -ENODEV;
-
 	/* Static mapping, never released */
 	l2cache_base = ioremap(OMAP44XX_L2CACHE_BASE, SZ_4K);
 	if (WARN_ON(!l2cache_base))
@@ -225,7 +218,6 @@ static int __init omap_l2_cache_init(void)
 
 	return 0;
 }
-omap_early_initcall(omap_l2_cache_init);
 #endif
 
 void __iomem *omap4_get_sar_ram_base(void)