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Subject[PATCH 11/62] Blackfin: merge Philippe's recent ipipe patch
Date
From: Philippe Gerum <rpm@xenomai.org>

ipipe-2.6.28.9-blackfin-git95aafe6.patch

Singed-off-by: Philippe Gerum <rpm@xenomai.org>
Signed-off-by: Yi Li <yi.li@analog.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
---
arch/blackfin/include/asm/ipipe.h | 4 ++--
arch/blackfin/kernel/ipipe.c | 9 ++++++---
arch/blackfin/mach-common/ints-priority.c | 7 -------
3 files changed, 8 insertions(+), 12 deletions(-)
diff --git a/arch/blackfin/include/asm/ipipe.h b/arch/blackfin/include/asm/ipipe.h
index 343b563..51d0bf5 100644
--- a/arch/blackfin/include/asm/ipipe.h
+++ b/arch/blackfin/include/asm/ipipe.h
@@ -35,10 +35,10 @@
#include <asm/atomic.h>
#include <asm/traps.h>

-#define IPIPE_ARCH_STRING "1.9-00"
+#define IPIPE_ARCH_STRING "1.9-01"
#define IPIPE_MAJOR_NUMBER 1
#define IPIPE_MINOR_NUMBER 9
-#define IPIPE_PATCH_NUMBER 0
+#define IPIPE_PATCH_NUMBER 1

#ifdef CONFIG_SMP
#error "I-pipe/blackfin: SMP not implemented"
diff --git a/arch/blackfin/kernel/ipipe.c b/arch/blackfin/kernel/ipipe.c
index a5de8d4..5fc4248 100644
--- a/arch/blackfin/kernel/ipipe.c
+++ b/arch/blackfin/kernel/ipipe.c
@@ -167,7 +167,7 @@ int __ipipe_check_root(void)
void __ipipe_enable_irqdesc(struct ipipe_domain *ipd, unsigned irq)
{
struct irq_desc *desc = irq_to_desc(irq);
- int prio = desc->ic_prio;
+ int prio = __ipipe_get_irq_priority(irq);

desc->depth = 0;
if (ipd != &ipipe_root &&
@@ -178,8 +178,7 @@ EXPORT_SYMBOL(__ipipe_enable_irqdesc);

void __ipipe_disable_irqdesc(struct ipipe_domain *ipd, unsigned irq)
{
- struct irq_desc *desc = irq_to_desc(irq);
- int prio = desc->ic_prio;
+ int prio = __ipipe_get_irq_priority(irq);

if (ipd != &ipipe_root &&
atomic_dec_and_test(&__ipipe_irq_lvdepth[prio]))
@@ -310,12 +309,16 @@ int ipipe_trigger_irq(unsigned irq)

asmlinkage void __ipipe_sync_root(void)
{
+ void (*irq_tail_hook)(void) = (void (*)(void))__ipipe_irq_tail_hook;
unsigned long flags;

BUG_ON(irqs_disabled());

local_irq_save_hw(flags);

+ if (irq_tail_hook)
+ irq_tail_hook();
+
clear_thread_flag(TIF_IRQ_SYNC);

if (ipipe_root_cpudom_var(irqpend_himask) != 0)
diff --git a/arch/blackfin/mach-common/ints-priority.c b/arch/blackfin/mach-common/ints-priority.c
index 3498a90..389c5e8 100644
--- a/arch/blackfin/mach-common/ints-priority.c
+++ b/arch/blackfin/mach-common/ints-priority.c
@@ -1139,13 +1139,6 @@ int __init init_arch_irq(void)
bfin_write_SIC_IWR(IWR_DISABLE_ALL);
#endif

-#ifdef CONFIG_IPIPE
- for (irq = 0; irq < NR_IRQS; irq++) {
- struct irq_desc *desc = irq_to_desc(irq);
- desc->ic_prio = __ipipe_get_irq_priority(irq);
- }
-#endif /* CONFIG_IPIPE */
-
return 0;
}

--
1.6.3.1


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