[GIT PULL] ARM perf updates for 3.3

Russell King - ARM Linux linux at arm.linux.org.uk
Sat Dec 3 04:26:59 EST 2011


On Fri, Dec 02, 2011 at 05:02:31PM +0000, Will Deacon wrote:
> Hi Russell,
> 
> Please pull these updates to the ARM perf code for 3.3. The highlights are
> probably the CTI stuff (which is in preparation for OMAP4 support coming from
> Lei Ming, Benoit and Paul) and the cleanup of the event numbers for ARMv7 so
> that they are easier to follow. I was hoping to add Cortex-A7 support but I
> haven't got my paws on an FPGA yet.
> 
> I've not included my contextidr patch with this pull because it conflicts
> quite badly with the LPAE patches. I can rework this for 3.4 later on (I
> already have a fixup).

While merging this, I get conflicts in gic.c and omap's common.h.  I'm
intending to resolve them as below - please check this _before_ I commit
it (which means my tree is frozen until this is resolved.)

diff --cc arch/arm/common/gic.c
index a1feb6b,410a546..0000000
--- a/arch/arm/common/gic.c
+++ b/arch/arm/common/gic.c
@@@ -696,12 -582,16 +697,14 @@@ void __init gic_init_bases(unsigned in
  	 * For primary GICs, skip over SGIs.
  	 * For secondary GICs, skip over PPIs, too.
  	 */
+ 	domain->hwirq_base = 32;
  	if (gic_nr == 0) {
- 		domain->hwirq_base = 16;
- 		if (irq_start > 0)
- 			irq_start = (irq_start & ~31) + 16;
- 	} else
- 		domain->hwirq_base = 32;
 -		gic_cpu_base_addr = cpu_base;
 -
+ 		if ((irq_start & 31) > 0) {
+ 			domain->hwirq_base = 16;
+ 			if (irq_start != -1)
+ 				irq_start = (irq_start & ~31) + 16;
+ 		}
+ 	}
  
  	/*
  	 * Find out how many interrupts are supported.
diff --cc arch/arm/plat-omap/include/plat/common.h
index 346098f,3ff3e36..0000000
--- a/arch/arm/plat-omap/include/plat/common.h
+++ b/arch/arm/plat-omap/include/plat/common.h
@@@ -27,12 -27,97 +27,15 @@@
  #ifndef __ARCH_ARM_MACH_OMAP_COMMON_H
  #define __ARCH_ARM_MACH_OMAP_COMMON_H
  
 -#include <linux/delay.h>
 -
  #include <plat/i2c.h>
+ #include <plat/omap_hwmod.h>
  
 -struct sys_timer;
 -
 -extern void omap_map_common_io(void);
 -extern struct sys_timer omap1_timer;
 -extern struct sys_timer omap2_timer;
 -extern struct sys_timer omap3_timer;
 -extern struct sys_timer omap3_secure_timer;
 -extern struct sys_timer omap4_timer;
 -extern bool omap_32k_timer_init(void);
  extern int __init omap_init_clocksource_32k(void);
  extern unsigned long long notrace omap_32k_sched_clock(void);
  
  extern void omap_reserve(void);
 -
 -void omap2420_init_early(void);
 -void omap2430_init_early(void);
 -void omap3430_init_early(void);
 -void omap35xx_init_early(void);
 -void omap3630_init_early(void);
 -void omap3_init_early(void);	/* Do not use this one */
 -void am35xx_init_early(void);
 -void ti816x_init_early(void);
 -void omap4430_init_early(void);
 -
+ extern int omap_dss_reset(struct omap_hwmod *);
+ 
  void omap_sram_init(void);
  
 -/*
 - * IO bases for various OMAP processors
 - * Except the tap base, rest all the io bases
 - * listed are physical addresses.
 - */
 -struct omap_globals {
 -	u32		class;		/* OMAP class to detect */
 -	void __iomem	*tap;		/* Control module ID code */
 -	void __iomem	*sdrc;           /* SDRAM Controller */
 -	void __iomem	*sms;            /* SDRAM Memory Scheduler */
 -	void __iomem	*ctrl;           /* System Control Module */
 -	void __iomem	*ctrl_pad;	/* PAD Control Module */
 -	void __iomem	*prm;            /* Power and Reset Management */
 -	void __iomem	*cm;             /* Clock Management */
 -	void __iomem	*cm2;
 -};
 -
 -void omap2_set_globals_242x(void);
 -void omap2_set_globals_243x(void);
 -void omap2_set_globals_3xxx(void);
 -void omap2_set_globals_443x(void);
 -void omap2_set_globals_ti816x(void);
 -
 -/* These get called from omap2_set_globals_xxxx(), do not call these */
 -void omap2_set_globals_tap(struct omap_globals *);
 -void omap2_set_globals_sdrc(struct omap_globals *);
 -void omap2_set_globals_control(struct omap_globals *);
 -void omap2_set_globals_prcm(struct omap_globals *);
 -
 -void omap242x_map_io(void);
 -void omap243x_map_io(void);
 -void omap3_map_io(void);
 -void omap4_map_io(void);
 -
 -
 -/**
 - * omap_test_timeout - busy-loop, testing a condition
 - * @cond: condition to test until it evaluates to true
 - * @timeout: maximum number of microseconds in the timeout
 - * @index: loop index (integer)
 - *
 - * Loop waiting for @cond to become true or until at least @timeout
 - * microseconds have passed.  To use, define some integer @index in the
 - * calling code.  After running, if @index == @timeout, then the loop has
 - * timed out.
 - */
 -#define omap_test_timeout(cond, timeout, index)			\
 -({								\
 -	for (index = 0; index < timeout; index++) {		\
 -		if (cond)					\
 -			break;					\
 -		udelay(1);					\
 -	}							\
 -})
 -
 -extern struct device *omap2_get_mpuss_device(void);
 -extern struct device *omap2_get_iva_device(void);
 -extern struct device *omap2_get_l3_device(void);
 -extern struct device *omap4_get_dsp_device(void);
 -
  #endif /* __ARCH_ARM_MACH_OMAP_COMMON_H */




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