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needed, so sb1 will boot in smp 

svn path=/dists/trunk/linux-2.6/; revision=13611
This commit is contained in:
Martin Michlmayr 2009-05-12 20:32:08 +00:00
parent f9303059a2
commit 74f58abd79
2 changed files with 79 additions and 0 deletions
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78
debian/patches/bugfix/mips/sb-irq.patch vendored Normal file
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@ -0,0 +1,78 @@
From: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Date: Mon, 4 May 2009 21:51:54 +0000 (+0200)
Subject: MIPS: Sibyte: Fix locking in set_irq_affinity
X-Git-Url: http://www.linux-mips.org/git?p=linux.git;a=commitdiff_plain;h=a28e039e0c0044edd2666e96bada8ad472605529
MIPS: Sibyte: Fix locking in set_irq_affinity
Locking of irq_desc is now done in irq_set_affinity; don't lock it again
in chip specific set_affinity function.
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
---
diff --git a/arch/mips/sibyte/bcm1480/irq.c b/arch/mips/sibyte/bcm1480/irq.c
index 352352b..c147c4b 100644
--- a/arch/mips/sibyte/bcm1480/irq.c
+++ b/arch/mips/sibyte/bcm1480/irq.c
@@ -113,7 +113,6 @@ static void bcm1480_set_affinity(unsigned int irq, const struct cpumask *mask)
{
int i = 0, old_cpu, cpu, int_on, k;
u64 cur_ints;
- struct irq_desc *desc = irq_desc + irq;
unsigned long flags;
unsigned int irq_dirty;
@@ -127,8 +126,7 @@ static void bcm1480_set_affinity(unsigned int irq, const struct cpumask *mask)
cpu = cpu_logical_map(i);
/* Protect against other affinity changers and IMR manipulation */
- spin_lock_irqsave(&desc->lock, flags);
- spin_lock(&bcm1480_imr_lock);
+ spin_lock_irqsave(&bcm1480_imr_lock, flags);
/* Swizzle each CPU's IMR (but leave the IP selection alone) */
old_cpu = bcm1480_irq_owner[irq];
@@ -153,8 +151,7 @@ static void bcm1480_set_affinity(unsigned int irq, const struct cpumask *mask)
____raw_writeq(cur_ints, IOADDR(A_BCM1480_IMR_MAPPER(cpu) + R_BCM1480_IMR_INTERRUPT_MASK_H + (k*BCM1480_IMR_HL_SPACING)));
}
}
- spin_unlock(&bcm1480_imr_lock);
- spin_unlock_irqrestore(&desc->lock, flags);
+ spin_unlock_irqrestore(&bcm1480_imr_lock, flags);
}
#endif
diff --git a/arch/mips/sibyte/sb1250/irq.c b/arch/mips/sibyte/sb1250/irq.c
index c08ff58..38cb998 100644
--- a/arch/mips/sibyte/sb1250/irq.c
+++ b/arch/mips/sibyte/sb1250/irq.c
@@ -107,7 +107,6 @@ static void sb1250_set_affinity(unsigned int irq, const struct cpumask *mask)
{
int i = 0, old_cpu, cpu, int_on;
u64 cur_ints;
- struct irq_desc *desc = irq_desc + irq;
unsigned long flags;
i = cpumask_first(mask);
@@ -121,8 +120,7 @@ static void sb1250_set_affinity(unsigned int irq, const struct cpumask *mask)
cpu = cpu_logical_map(i);
/* Protect against other affinity changers and IMR manipulation */
- spin_lock_irqsave(&desc->lock, flags);
- spin_lock(&sb1250_imr_lock);
+ spin_lock_irqsave(&sb1250_imr_lock, flags);
/* Swizzle each CPU's IMR (but leave the IP selection alone) */
old_cpu = sb1250_irq_owner[irq];
@@ -144,8 +142,7 @@ static void sb1250_set_affinity(unsigned int irq, const struct cpumask *mask)
____raw_writeq(cur_ints, IOADDR(A_IMR_MAPPER(cpu) +
R_IMR_INTERRUPT_MASK));
}
- spin_unlock(&sb1250_imr_lock);
- spin_unlock_irqrestore(&desc->lock, flags);
+ spin_unlock_irqrestore(&sb1250_imr_lock, flags);
}
#endif

1
debian/patches/series/base vendored
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@ -31,3 +31,4 @@
+ bugfix/all/mvsdio-platform.patch
+ bugfix/all/mmc-sd-udelay-switch.patch
+ features/arm/kirkwood-cpu-idle.patch
+ bugfix/mips/sb-irq.patch