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Diffstat (limited to 'target/linux/brcm63xx/patches-3.10/327-MIPS-BCM63XX-allow-setting-affinity-for-IPIC.patch')
-rw-r--r--target/linux/brcm63xx/patches-3.10/327-MIPS-BCM63XX-allow-setting-affinity-for-IPIC.patch118
1 files changed, 0 insertions, 118 deletions
diff --git a/target/linux/brcm63xx/patches-3.10/327-MIPS-BCM63XX-allow-setting-affinity-for-IPIC.patch b/target/linux/brcm63xx/patches-3.10/327-MIPS-BCM63XX-allow-setting-affinity-for-IPIC.patch
deleted file mode 100644
index a625b2e67b..0000000000
--- a/target/linux/brcm63xx/patches-3.10/327-MIPS-BCM63XX-allow-setting-affinity-for-IPIC.patch
+++ /dev/null
@@ -1,118 +0,0 @@
-From 23493b47d8caaa59b18627a01bf443c3b50bb530 Mon Sep 17 00:00:00 2001
-From: Jonas Gorski <jogo@openwrt.org>
-Date: Fri, 26 Apr 2013 12:06:03 +0200
-Subject: [PATCH 10/10] MIPS: BCM63XX: allow setting affinity for IPIC
-
-Wire up the set_affinity call for the internal PIC if booting on
-a cpu supporting it.
-Affinity is kept to boot cpu as default.
-
-Signed-off-by: Jonas Gorski <jogo@openwrt.org>
----
- arch/mips/bcm63xx/irq.c | 46 ++++++++++++++++++++++++++++++++++++++++------
- 1 file changed, 40 insertions(+), 6 deletions(-)
-
---- a/arch/mips/bcm63xx/irq.c
-+++ b/arch/mips/bcm63xx/irq.c
-@@ -32,7 +32,7 @@ static unsigned int ext_irq_count;
- static unsigned int ext_irq_start, ext_irq_end;
- static unsigned int ext_irq_cfg_reg1, ext_irq_cfg_reg2;
- static void (*internal_irq_mask)(struct irq_data *d);
--static void (*internal_irq_unmask)(struct irq_data *d);
-+static void (*internal_irq_unmask)(struct irq_data *d, const struct cpumask *m);
-
-
- static inline u32 get_ext_irq_perf_reg(int irq)
-@@ -51,6 +51,20 @@ static inline void handle_internal(int i
- do_IRQ(intbit + IRQ_INTERNAL_BASE);
- }
-
-+static inline int enable_irq_for_cpu(int cpu, struct irq_data *d,
-+ const struct cpumask *m)
-+{
-+ bool enable = cpu_online(cpu);
-+
-+#ifdef CONFIG_SMP
-+ if (m)
-+ enable &= cpu_isset(cpu, *m);
-+ else if (irqd_affinity_was_set(d))
-+ enable &= cpu_isset(cpu, *d->affinity);
-+#endif
-+ return enable;
-+}
-+
- /*
- * dispatch internal devices IRQ (uart, enet, watchdog, ...). do not
- * prioritize any interrupt relatively to another. the static counter
-@@ -117,7 +131,8 @@ static void __internal_irq_mask_##width(
- spin_unlock_irqrestore(&ipic_lock, flags); \
- } \
- \
--static void __internal_irq_unmask_##width(struct irq_data *d) \
-+static void __internal_irq_unmask_##width(struct irq_data *d, \
-+ const struct cpumask *m) \
- { \
- u32 val; \
- unsigned irq = d->irq - IRQ_INTERNAL_BASE; \
-@@ -132,7 +147,7 @@ static void __internal_irq_unmask_##widt
- break; \
- \
- val = bcm_readl(irq_mask_addr[cpu] + reg * sizeof(u32));\
-- if (cpu_online(cpu)) \
-+ if (enable_irq_for_cpu(cpu, d, m)) \
- val |= (1 << bit); \
- else \
- val &= ~(1 << bit); \
-@@ -189,7 +204,7 @@ static void bcm63xx_internal_irq_mask(st
-
- static void bcm63xx_internal_irq_unmask(struct irq_data *d)
- {
-- internal_irq_unmask(d);
-+ internal_irq_unmask(d, NULL);
- }
-
- /*
-@@ -237,7 +252,8 @@ static void bcm63xx_external_irq_unmask(
- spin_unlock_irqrestore(&epic_lock, flags);
-
- if (is_ext_irq_cascaded)
-- internal_irq_unmask(irq_get_irq_data(irq + ext_irq_start));
-+ internal_irq_unmask(irq_get_irq_data(irq + ext_irq_start),
-+ NULL);
- }
-
- static void bcm63xx_external_irq_clear(struct irq_data *d)
-@@ -356,6 +372,18 @@ static int bcm63xx_external_irq_set_type
- return IRQ_SET_MASK_OK_NOCOPY;
- }
-
-+#ifdef CONFIG_SMP
-+static int bcm63xx_internal_set_affinity(struct irq_data *data,
-+ const struct cpumask *dest,
-+ bool force)
-+{
-+ if (!irqd_irq_disabled(data))
-+ internal_irq_unmask(data, dest);
-+
-+ return 0;
-+}
-+#endif
-+
- static struct irq_chip bcm63xx_internal_irq_chip = {
- .name = "bcm63xx_ipic",
- .irq_mask = bcm63xx_internal_irq_mask,
-@@ -523,7 +551,13 @@ void __init arch_init_irq(void)
-
- setup_irq(MIPS_CPU_IRQ_BASE + 2, &cpu_ip2_cascade_action);
- #ifdef CONFIG_SMP
-- if (is_ext_irq_cascaded)
-+ if (is_ext_irq_cascaded) {
- setup_irq(MIPS_CPU_IRQ_BASE + 3, &cpu_ip3_cascade_action);
-+ bcm63xx_internal_irq_chip.irq_set_affinity =
-+ bcm63xx_internal_set_affinity;
-+
-+ cpumask_clear(irq_default_affinity);
-+ cpumask_set_cpu(smp_processor_id(), irq_default_affinity);
-+ }
- #endif
- }