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Blackfin: checkpatch --file arch/blackfin/kernel/ipipe.c
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Signed-off-by: Philippe Gerum <rpm@xenomai.org>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
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Philippe Gerum authored and Mike Frysinger committed Sep 17, 2009
1 parent ae4f073 commit d8ca639
Showing 1 changed file with 19 additions and 17 deletions.
36 changes: 19 additions & 17 deletions arch/blackfin/kernel/ipipe.c
Original file line number Diff line number Diff line change
Expand Up @@ -30,10 +30,10 @@
#include <linux/slab.h>
#include <linux/errno.h>
#include <linux/kthread.h>
#include <asm/unistd.h>
#include <linux/unistd.h>
#include <linux/io.h>
#include <asm/system.h>
#include <asm/atomic.h>
#include <asm/io.h>

DEFINE_PER_CPU(struct pt_regs, __ipipe_tick_regs);

Expand Down Expand Up @@ -90,6 +90,7 @@ void __ipipe_handle_irq(unsigned irq, struct pt_regs *regs)
struct ipipe_percpu_domain_data *p = ipipe_root_cpudom_ptr();
struct ipipe_domain *this_domain, *next_domain;
struct list_head *head, *pos;
struct ipipe_irqdesc *idesc;
int m_ack, s = -1;

/*
Expand All @@ -100,17 +101,20 @@ void __ipipe_handle_irq(unsigned irq, struct pt_regs *regs)
*/
m_ack = (regs == NULL || irq == IRQ_SYSTMR || irq == IRQ_CORETMR);
this_domain = __ipipe_current_domain;
idesc = &this_domain->irqs[irq];

if (unlikely(test_bit(IPIPE_STICKY_FLAG, &this_domain->irqs[irq].control)))
if (unlikely(test_bit(IPIPE_STICKY_FLAG, &idesc->control)))
head = &this_domain->p_link;
else {
head = __ipipe_pipeline.next;
next_domain = list_entry(head, struct ipipe_domain, p_link);
if (likely(test_bit(IPIPE_WIRED_FLAG, &next_domain->irqs[irq].control))) {
if (!m_ack && next_domain->irqs[irq].acknowledge != NULL)
next_domain->irqs[irq].acknowledge(irq, irq_to_desc(irq));
idesc = &next_domain->irqs[irq];
if (likely(test_bit(IPIPE_WIRED_FLAG, &idesc->control))) {
if (!m_ack && idesc->acknowledge != NULL)
idesc->acknowledge(irq, irq_to_desc(irq));
if (test_bit(IPIPE_SYNCDEFER_FLAG, &p->status))
s = __test_and_set_bit(IPIPE_STALL_FLAG, &p->status);
s = __test_and_set_bit(IPIPE_STALL_FLAG,
&p->status);
__ipipe_dispatch_wired(next_domain, irq);
goto out;
}
Expand All @@ -121,14 +125,15 @@ void __ipipe_handle_irq(unsigned irq, struct pt_regs *regs)
pos = head;
while (pos != &__ipipe_pipeline) {
next_domain = list_entry(pos, struct ipipe_domain, p_link);
if (test_bit(IPIPE_HANDLE_FLAG, &next_domain->irqs[irq].control)) {
idesc = &next_domain->irqs[irq];
if (test_bit(IPIPE_HANDLE_FLAG, &idesc->control)) {
__ipipe_set_irq_pending(next_domain, irq);
if (!m_ack && next_domain->irqs[irq].acknowledge != NULL) {
next_domain->irqs[irq].acknowledge(irq, irq_to_desc(irq));
if (!m_ack && idesc->acknowledge != NULL) {
idesc->acknowledge(irq, irq_to_desc(irq));
m_ack = 1;
}
}
if (!test_bit(IPIPE_PASS_FLAG, &next_domain->irqs[irq].control))
if (!test_bit(IPIPE_PASS_FLAG, &idesc->control))
break;
pos = next_domain->p_link.next;
}
Expand Down Expand Up @@ -333,12 +338,9 @@ asmlinkage void __ipipe_sync_root(void)

void ___ipipe_sync_pipeline(unsigned long syncmask)
{
if (__ipipe_root_domain_p) {
if (test_bit(IPIPE_SYNCDEFER_FLAG, &ipipe_root_cpudom_var(status)))
return;
}
if (__ipipe_root_domain_p &&
test_bit(IPIPE_SYNCDEFER_FLAG, &ipipe_root_cpudom_var(status)))
return;

__ipipe_sync_stage(syncmask);
}

EXPORT_SYMBOL(show_stack);

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