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ARM: 6291/1: coresight: move struct tracectx inside etm driver

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This is done so as to be able to make use of the coresight components'
registers in assembler code (like omap sleep code). Also, there shouldn't
be any users of this structure outside the etm driver.

Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Alexander Shishkin <virtuoso@slind.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
This commit is contained in:
Alexander Shishkin 2010-08-04 11:22:43 +01:00 committed by Russell King
parent 899611ee7d
commit 8234eaef80
2 changed files with 15 additions and 12 deletions
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12
arch/arm/include/asm/hardware/coresight.h
View File

@ -21,18 +21,6 @@
#define TRACER_RUNNING BIT(TRACER_RUNNING_BIT)
#define TRACER_CYCLE_ACC BIT(TRACER_CYCLE_ACC_BIT)
struct tracectx {
unsigned int etb_bufsz;
void __iomem *etb_regs;
void __iomem *etm_regs;
unsigned long flags;
int ncmppairs;
int etm_portsz;
struct device *dev;
struct clk *emu_clk;
struct mutex mutex;
};
#define TRACER_TIMEOUT 10000
#define etm_writel(t, v, x) \

15
arch/arm/kernel/etm.c
View File

@ -30,6 +30,21 @@
MODULE_LICENSE("GPL");
MODULE_AUTHOR("Alexander Shishkin");
/*
* ETM tracer state
*/
struct tracectx {
unsigned int etb_bufsz;
void __iomem *etb_regs;
void __iomem *etm_regs;
unsigned long flags;
int ncmppairs;
int etm_portsz;
struct device *dev;
struct clk *emu_clk;
struct mutex mutex;
};
static struct tracectx tracer;
static inline bool trace_isrunning(struct tracectx *t)