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authorAlexander Shishkin <virtuoso@slind.org>2010-08-04 11:22:43 +0100
committerRussell King <rmk+kernel@arm.linux.org.uk>2010-10-04 20:20:44 +0100
commit8234eaef8002cb8ba30920949b338d692508137a (patch)
tree59c58f83e197ebad2ba78bff82f245a3c14507b1 /arch
parent899611ee7d373e5eeda08e9a8632684e1ebbbf00 (diff)
ARM: 6291/1: coresight: move struct tracectx inside etm driver
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>
Diffstat (limited to 'arch')
-rw-r--r--arch/arm/include/asm/hardware/coresight.h12
-rw-r--r--arch/arm/kernel/etm.c15
2 files changed, 15 insertions, 12 deletions
diff --git a/arch/arm/include/asm/hardware/coresight.h b/arch/arm/include/asm/hardware/coresight.h
index 212e47828c7..d84605175fc 100644
--- a/arch/arm/include/asm/hardware/coresight.h
+++ b/arch/arm/include/asm/hardware/coresight.h
@@ -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) \
diff --git a/arch/arm/kernel/etm.c b/arch/arm/kernel/etm.c
index 33c7077174d..a48d5125798 100644
--- a/arch/arm/kernel/etm.c
+++ b/arch/arm/kernel/etm.c
@@ -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)