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Blackfin: merge Philippe's recent ipipe patch

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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>
This commit is contained in:
Philippe Gerum 2009-04-08 07:41:55 +00:00 committed by Mike Frysinger
parent f75196c404
commit 51387009bd
3 changed files with 8 additions and 12 deletions
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4
arch/blackfin/include/asm/ipipe.h
View File

@ -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"

9
arch/blackfin/kernel/ipipe.c
View File

@ -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)

7
arch/blackfin/mach-common/ints-priority.c
View File

@ -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;
}