brcm63xx: remove non runtime detect and refresh affinity patches

Remove the non runtime detect code since its effectiveness is dubious
and almost never used.
Also update affinity patches to work on top of it.

Signed-off-by: Jonas Gorski <jogo@openwrt.org>

SVN-Revision: 39268

1 files changed, 158 insertions, 0 deletions

diff --git a/target/linux/brcm63xx/patches-3.10/324-MIPS-BCM63XX-protect-irq-register-accesses.patch b/target/linux/brcm63xx/patches-3.10/324-MIPS-BCM63XX-protect-irq-register-accesses.patch
new file mode 100644
index 0000000000..c38137dc81
--- /dev/null
+++ b/target/linux/brcm63xx/patches-3.10/324-MIPS-BCM63XX-protect-irq-register-accesses.patch
@@ -0,0 +1,158 @@
+From 85257b702e1d4c6dcc839c737833c42ca53bae93 Mon Sep 17 00:00:00 2001
+From: Jonas Gorski <jogo@openwrt.org>
+Date: Sun, 21 Apr 2013 15:38:56 +0200
+Subject: [PATCH 35/53] MIPS: BCM63XX: protect irq register accesses
+
+---
+ arch/mips/bcm63xx/irq.c | 26 ++++++++++++++++++++++++++
+ 1 file changed, 26 insertions(+)
+
+--- a/arch/mips/bcm63xx/irq.c
++++ b/arch/mips/bcm63xx/irq.c
+@@ -12,6 +12,7 @@
+ #include <linux/interrupt.h>
+ #include <linux/module.h>
+ #include <linux/irq.h>
++#include <linux/spinlock.h>
+ #include <asm/irq_cpu.h>
+ #include <asm/mipsregs.h>
+ #include <bcm63xx_cpu.h>
+@@ -20,6 +21,9 @@
+ #include <bcm63xx_irq.h>
+ 
+ 
++static DEFINE_SPINLOCK(ipic_lock);
++static DEFINE_SPINLOCK(epic_lock);
++
+ static u32 irq_stat_addr[2];
+ static u32 irq_mask_addr[2];
+ static void (*dispatch_internal)(int pin);
+@@ -62,8 +66,10 @@ void __dispatch_internal_##width(int pin
+ 	bool irqs_pending = false;					\
+ 	static int i[2];						\
+ 	int *next = &i[pin];						\
++	unsigned long flags;						\
+ 									\
+ 	/* read registers in reverse order */				\
++	spin_lock_irqsave(&ipic_lock, flags);				\
+ 	for (src = 0, tgt = (width / 32); src < (width / 32); src++) {	\
+ 		u32 val;						\
+ 									\
+@@ -74,6 +80,7 @@ void __dispatch_internal_##width(int pin
+ 		if (val)						\
+ 			irqs_pending = true;				\
+ 	}								\
++	spin_unlock_irqrestore(&ipic_lock, flags);			\
+ 									\
+ 	if (!irqs_pending)						\
+ 		return;							\
+@@ -94,10 +101,13 @@ static void __internal_irq_mask_##width(
+ 	u32 val;							\
+ 	unsigned reg = (irq / 32) ^ (width/32 - 1);			\
+ 	unsigned bit = irq & 0x1f;					\
++	unsigned long flags;						\
+ 									\
++	spin_lock_irqsave(&ipic_lock, flags);				\
+ 	val = bcm_readl(irq_mask_addr[0] + reg * sizeof(u32));		\
+ 	val &= ~(1 << bit);						\
+ 	bcm_writel(val, irq_mask_addr[0] + reg * sizeof(u32));		\
++	spin_unlock_irqrestore(&ipic_lock, flags);			\
+ }									\
+ 									\
+ static void __internal_irq_unmask_##width(unsigned int irq)		\
+@@ -105,10 +115,13 @@ static void __internal_irq_unmask_##widt
+ 	u32 val;							\
+ 	unsigned reg = (irq / 32) ^ (width/32 - 1);			\
+ 	unsigned bit = irq & 0x1f; 					\
++	unsigned long flags;						\
+ 									\
++	spin_lock_irqsave(&ipic_lock, flags);				\
+ 	val = bcm_readl(irq_mask_addr[0] + reg * sizeof(u32));		\
+ 	val |= (1 << bit); 						\
+ 	bcm_writel(val, irq_mask_addr[0] + reg * sizeof(u32));		\
++	spin_unlock_irqrestore(&ipic_lock, flags);			\
+ }
+ 
+ BUILD_IPIC_INTERNAL(32);
+@@ -167,8 +180,10 @@ static void bcm63xx_external_irq_mask(st
+ {
+ 	unsigned int irq = d->irq - IRQ_EXTERNAL_BASE;
+ 	u32 reg, regaddr;
++	unsigned long flags;
+ 
+ 	regaddr = get_ext_irq_perf_reg(irq);
++	spin_lock_irqsave(&epic_lock, flags);
+ 	reg = bcm_perf_readl(regaddr);
+ 
+ 	if (BCMCPU_IS_6348())
+@@ -177,6 +192,8 @@ static void bcm63xx_external_irq_mask(st
+ 		reg &= ~EXTIRQ_CFG_MASK(irq % 4);
+ 
+ 	bcm_perf_writel(reg, regaddr);
++	spin_unlock_irqrestore(&epic_lock, flags);
++
+ 	if (is_ext_irq_cascaded)
+ 		internal_irq_mask(irq + ext_irq_start);
+ }
+@@ -185,8 +202,10 @@ static void bcm63xx_external_irq_unmask(
+ {
+ 	unsigned int irq = d->irq - IRQ_EXTERNAL_BASE;
+ 	u32 reg, regaddr;
++	unsigned long flags;
+ 
+ 	regaddr = get_ext_irq_perf_reg(irq);
++	spin_lock_irqsave(&epic_lock, flags);
+ 	reg = bcm_perf_readl(regaddr);
+ 
+ 	if (BCMCPU_IS_6348())
+@@ -195,6 +214,7 @@ static void bcm63xx_external_irq_unmask(
+ 		reg |= EXTIRQ_CFG_MASK(irq % 4);
+ 
+ 	bcm_perf_writel(reg, regaddr);
++	spin_unlock_irqrestore(&epic_lock, flags);
+ 
+ 	if (is_ext_irq_cascaded)
+ 		internal_irq_unmask(irq + ext_irq_start);
+@@ -204,8 +224,10 @@ static void bcm63xx_external_irq_clear(s
+ {
+ 	unsigned int irq = d->irq - IRQ_EXTERNAL_BASE;
+ 	u32 reg, regaddr;
++	unsigned long flags;
+ 
+ 	regaddr = get_ext_irq_perf_reg(irq);
++	spin_lock_irqsave(&epic_lock, flags);
+ 	reg = bcm_perf_readl(regaddr);
+ 
+ 	if (BCMCPU_IS_6348())
+@@ -214,6 +236,7 @@ static void bcm63xx_external_irq_clear(s
+ 		reg |= EXTIRQ_CFG_CLEAR(irq % 4);
+ 
+ 	bcm_perf_writel(reg, regaddr);
++	spin_unlock_irqrestore(&epic_lock, flags);
+ }
+ 
+ static int bcm63xx_external_irq_set_type(struct irq_data *d,
+@@ -222,6 +245,7 @@ static int bcm63xx_external_irq_set_type
+ 	unsigned int irq = d->irq - IRQ_EXTERNAL_BASE;
+ 	u32 reg, regaddr;
+ 	int levelsense, sense, bothedge;
++	unsigned long flags;
+ 
+ 	flow_type &= IRQ_TYPE_SENSE_MASK;
+ 
+@@ -256,6 +280,7 @@ static int bcm63xx_external_irq_set_type
+ 	}
+ 
+ 	regaddr = get_ext_irq_perf_reg(irq);
++	spin_lock_irqsave(&epic_lock, flags);
+ 	reg = bcm_perf_readl(regaddr);
+ 	irq %= 4;
+ 
+@@ -300,6 +325,7 @@ static int bcm63xx_external_irq_set_type
+ 	}
+ 
+ 	bcm_perf_writel(reg, regaddr);
++	spin_unlock_irqrestore(&epic_lock, flags);
+ 
+ 	irqd_set_trigger_type(d, flow_type);
+ 	if (flow_type & (IRQ_TYPE_LEVEL_LOW | IRQ_TYPE_LEVEL_HIGH))