brcm63xx: remove linux 3.14 support

[openwrt.git] / target / linux / brcm63xx / patches-3.14 / 027-MIPS-BCM63XX-allow-setting-affinity-for-IPIC.patch

diff --git a/target/linux/brcm63xx/patches-3.14/027-MIPS-BCM63XX-allow-setting-affinity-for-IPIC.patch b/target/linux/brcm63xx/patches-3.14/027-MIPS-BCM63XX-allow-setting-affinity-for-IPIC.patch
deleted file mode 100644 (file)
index a625b2e..0000000
--- a/target/linux/brcm63xx/patches-3.14/027-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
- }