[PATCH 2/3] take sparc32 enable_irq/disable_irq out of line

Al Viro
2007-07-21T22:29:41Z

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
arch/sparc/kernel/irq.c | 25 ++++++++++++++++++++++---
arch/sparc/kernel/irq.h | 20 ++++++++++++++++++++
arch/sparc/kernel/sparc_ksyms.c | 2 --
arch/sparc/kernel/sun4d_irq.c | 4 ++--
arch/sparc/kernel/tick14.c | 4 ++--
include/asm-sparc/irq.h | 32 +++-----------------------------
6 files changed, 49 insertions(+), 38 deletions(-)

diff --git a/arch/sparc/kernel/irq.c b/arch/sparc/kernel/irq.c
index 5e9af30..75b2240 100644
--- a/arch/sparc/kernel/irq.c
+++ b/arch/sparc/kernel/irq.c
@@ -270,7 +270,7 @@ void free_irq(unsigned int irq, void *dev_id)
kfree(action);

if (!sparc_irq[cpu_irq].action)
- disable_irq(irq);
+ __disable_irq(irq);

out_unlock:
spin_unlock_irqrestore(&irq_action_lock, flags);
@@ -466,7 +466,7 @@ int request_fast_irq(unsigned int irq,

sparc_irq[cpu_irq].action = action;

- enable_irq(irq);
+ __enable_irq(irq);

ret = 0;
out_unlock:
@@ -546,7 +546,7 @@ int request_irq(unsigned int irq,

*actionp = action;

- enable_irq(irq);
+ __enable_irq(irq);

ret = 0;
out_unlock:
@@ -557,6 +557,25 @@ out:

EXPORT_SYMBOL(request_irq);

+void disable_irq_nosync(unsigned int irq)
+{
+ return __disable_irq(irq);
+}
+EXPORT_SYMBOL(disable_irq_nosync);
+
+void disable_irq(unsigned int irq)
+{
+ return __disable_irq(irq);
+}
+EXPORT_SYMBOL(disable_irq);
+
+void enable_irq(unsigned int irq)
+{
+ return __enable_irq(irq);
+}
+
+EXPORT_SYMBOL(enable_irq);
+
/* We really don't need these at all on the Sparc. We only have
* stubs here because they are exported to modules.
*/
diff --git a/arch/sparc/kernel/irq.h b/arch/sparc/kernel/irq.h
index 8254a86..32ef3eb 100644
--- a/arch/sparc/kernel/irq.h
+++ b/arch/sparc/kernel/irq.h
@@ -1,11 +1,31 @@
#include <asm/btfixup.h>

+/* Dave Redman (djhr@tadpole.co.uk)
+ * changed these to function pointers.. it saves cycles and will allow
+ * the irq dependencies to be split into different files at a later date
+ * sun4c_irq.c, sun4m_irq.c etc so we could reduce the kernel size.
+ * Jakub Jelinek (jj@sunsite.mff.cuni.cz)
+ * Changed these to btfixup entities... It saves cycles :)
+ */
+
+BTFIXUPDEF_CALL(void, disable_irq, unsigned int)
+BTFIXUPDEF_CALL(void, enable_irq, unsigned int)
BTFIXUPDEF_CALL(void, disable_pil_irq, unsigned int)
BTFIXUPDEF_CALL(void, enable_pil_irq, unsigned int)
BTFIXUPDEF_CALL(void, clear_clock_irq, void)
BTFIXUPDEF_CALL(void, clear_profile_irq, int)
BTFIXUPDEF_CALL(void, load_profile_irq, int, unsigned int)

+static inline void __disable_irq(unsigned int irq)
+{
+ BTFIXUP_CALL(disable_irq)(irq);
+}
+
+static inline void __enable_irq(unsigned int irq)
+{
+ BTFIXUP_CALL(enable_irq)(irq);
+}
+
static inline void disable_pil_irq(unsigned int irq)
{
BTFIXUP_CALL(disable_pil_irq)(irq);
diff --git a/arch/sparc/kernel/sparc_ksyms.c b/arch/sparc/kernel/sparc_ksyms.c
index d8e008a..55bac51 100644
--- a/arch/sparc/kernel/sparc_ksyms.c
+++ b/arch/sparc/kernel/sparc_ksyms.c
@@ -154,8 +154,6 @@ EXPORT_SYMBOL(BTFIXUP_CALL(___xchg32));
#else
EXPORT_SYMBOL(BTFIXUP_CALL(__hard_smp_processor_id));
#endif
-EXPORT_SYMBOL(BTFIXUP_CALL(enable_irq));
-EXPORT_SYMBOL(BTFIXUP_CALL(disable_irq));
EXPORT_SYMBOL(BTFIXUP_CALL(mmu_unlockarea));
EXPORT_SYMBOL(BTFIXUP_CALL(mmu_lockarea));
EXPORT_SYMBOL(BTFIXUP_CALL(mmu_get_scsi_sgl));
diff --git a/arch/sparc/kernel/sun4d_irq.c b/arch/sparc/kernel/sun4d_irq.c
index 7a09186..e0efab2 100644
--- a/arch/sparc/kernel/sun4d_irq.c
+++ b/arch/sparc/kernel/sun4d_irq.c
@@ -190,7 +190,7 @@ void sun4d_free_irq(unsigned int irq, void *dev_id)
kfree(action);

if (!(*actionp))
- disable_irq(irq);
+ __disable_irq(irq);

out_unlock:
spin_unlock_irqrestore(&irq_action_lock, flags);
@@ -348,7 +348,7 @@ int sun4d_request_irq(unsigned int irq,
else
*actionp = action;

- enable_irq(irq);
+ __enable_irq(irq);

ret = 0;
out_unlock:
diff --git a/arch/sparc/kernel/tick14.c b/arch/sparc/kernel/tick14.c
index a55f046..707bfda 100644
--- a/arch/sparc/kernel/tick14.c
+++ b/arch/sparc/kernel/tick14.c
@@ -64,7 +64,7 @@ void claim_ticker14(irq_handler_t handler,

/* first we copy the obp handler instructions
*/
- disable_irq(irq_nr);
+ __disable_irq(irq_nr);
if (!handler)
return;

@@ -81,6 +81,6 @@ void claim_ticker14(irq_handler_t handler,
NULL)) {
install_linux_ticker();
load_profile_irq(cpu, timeout);
- enable_irq(irq_nr);
+ __enable_irq(irq_nr);
}
}
diff --git a/include/asm-sparc/irq.h b/include/asm-sparc/irq.h
index 4582793..afb88a5 100644
--- a/include/asm-sparc/irq.h
+++ b/include/asm-sparc/irq.h
@@ -7,41 +7,15 @@
#ifndef _SPARC_IRQ_H
#define _SPARC_IRQ_H

-#include <linux/linkage.h>
-#include <linux/threads.h> /* For NR_CPUS */
#include <linux/interrupt.h>

-#include <asm/system.h> /* For SUN4M_NCPUS */
-#include <asm/btfixup.h>
-
#define NR_IRQS 16

#define irq_canonicalize(irq) (irq)

-/* Dave Redman (djhr@tadpole.co.uk)
- * changed these to function pointers.. it saves cycles and will allow
- * the irq dependencies to be split into different files at a later date
- * sun4c_irq.c, sun4m_irq.c etc so we could reduce the kernel size.
- * Jakub Jelinek (jj@sunsite.mff.cuni.cz)
- * Changed these to btfixup entities... It saves cycles :)
- */
-BTFIXUPDEF_CALL(void, disable_irq, unsigned int)
-BTFIXUPDEF_CALL(void, enable_irq, unsigned int)
-
-static inline void disable_irq_nosync(unsigned int irq)
-{
- BTFIXUP_CALL(disable_irq)(irq);
-}
-
-static inline void disable_irq(unsigned int irq)
-{
- BTFIXUP_CALL(disable_irq)(irq);
-}
-
-static inline void enable_irq(unsigned int irq)
-{
- BTFIXUP_CALL(enable_irq)(irq);
-}
+extern void disable_irq_nosync(unsigned int irq);
+extern void disable_irq(unsigned int irq);
+extern void enable_irq(unsigned int irq);

extern int request_fast_irq(unsigned int irq, irq_handler_t handler, unsigned long flags, __const__ char *devname);

--
1.5.3.GIT