3.2 R.I.P.

SVN-Revision: 31911

1 files changed, 0 insertions, 117 deletions

diff --git a/target/linux/lantiq/patches-3.2/0036-MIPS-lantiq-add-ipi-handlers-to-make-vsmp-work.patch b/target/linux/lantiq/patches-3.2/0036-MIPS-lantiq-add-ipi-handlers-to-make-vsmp-work.patch
deleted file mode 100644
index 7b9ce8aeaf..0000000000
--- a/target/linux/lantiq/patches-3.2/0036-MIPS-lantiq-add-ipi-handlers-to-make-vsmp-work.patch
+++ /dev/null
@@ -1,117 +0,0 @@
-From da466512e536083352dcefd9ddbfd95a9c60b464 Mon Sep 17 00:00:00 2001
-From: John Crispin <blogic@openwrt.org>
-Date: Tue, 21 Feb 2012 21:09:01 +0100
-Subject: [PATCH 36/73] MIPS: lantiq: add ipi handlers to make vsmp work
-
-Add IPI handlers to the interrupt code. This patch makes MIPS_MT_SMP work
-on lantiq SoCs.
-
-Signed-off-by: John Crispin <blogic@openwrt.org>
----
- arch/mips/lantiq/irq.c  |   61 +++++++++++++++++++++++++++++++++++++++++++++++
- arch/mips/lantiq/prom.c |    5 ++++
- 2 files changed, 66 insertions(+), 0 deletions(-)
-
---- a/arch/mips/lantiq/irq.c
-+++ b/arch/mips/lantiq/irq.c
-@@ -9,6 +9,7 @@
- 
- #include <linux/interrupt.h>
- #include <linux/ioport.h>
-+#include <linux/sched.h>
- 
- #include <asm/bootinfo.h>
- #include <asm/irq_cpu.h>
-@@ -54,6 +55,14 @@
- #define ltq_eiu_w32(x, y)	ltq_w32((x), ltq_eiu_membase + (y))
- #define ltq_eiu_r32(x)		ltq_r32(ltq_eiu_membase + (x))
- 
-+/* our 2 ipi interrupts for VSMP */
-+#define MIPS_CPU_IPI_RESCHED_IRQ	0
-+#define MIPS_CPU_IPI_CALL_IRQ		1
-+
-+#if defined(CONFIG_MIPS_MT_SMP) || defined(CONFIG_MIPS_MT_SMTC)
-+int gic_present;
-+#endif
-+
- static unsigned short ltq_eiu_irq[MAX_EIU] = {
- 	LTQ_EIU_IR0,
- 	LTQ_EIU_IR1,
-@@ -219,6 +228,47 @@ static void ltq_hw5_irqdispatch(void)
- 	do_IRQ(MIPS_CPU_TIMER_IRQ);
- }
- 
-+#ifdef CONFIG_MIPS_MT_SMP
-+void __init arch_init_ipiirq(int irq, struct irqaction *action)
-+{
-+	setup_irq(irq, action);
-+	irq_set_handler(irq, handle_percpu_irq);
-+}
-+
-+static void ltq_sw0_irqdispatch(void)
-+{
-+	do_IRQ(MIPS_CPU_IRQ_BASE + MIPS_CPU_IPI_RESCHED_IRQ);
-+}
-+
-+static void ltq_sw1_irqdispatch(void)
-+{
-+	do_IRQ(MIPS_CPU_IRQ_BASE + MIPS_CPU_IPI_CALL_IRQ);
-+}
-+static irqreturn_t ipi_resched_interrupt(int irq, void *dev_id)
-+{
-+	scheduler_ipi();
-+	return IRQ_HANDLED;
-+}
-+
-+static irqreturn_t ipi_call_interrupt(int irq, void *dev_id)
-+{
-+	smp_call_function_interrupt();
-+	return IRQ_HANDLED;
-+}
-+
-+static struct irqaction irq_resched = {
-+	.handler	= ipi_resched_interrupt,
-+	.flags		= IRQF_PERCPU,
-+	.name		= "IPI_resched"
-+};
-+
-+static struct irqaction irq_call = {
-+	.handler	= ipi_call_interrupt,
-+	.flags		= IRQF_PERCPU,
-+	.name		= "IPI_call"
-+};
-+#endif
-+
- asmlinkage void plat_irq_dispatch(void)
- {
- 	unsigned int pending = read_c0_status() & read_c0_cause() & ST0_IM;
-@@ -314,6 +364,17 @@ void __init arch_init_irq(void)
- 			irq_set_chip_and_handler(i, &ltq_irq_type,
- 				handle_level_irq);
- 
-+#if defined(CONFIG_MIPS_MT_SMP)
-+	if (cpu_has_vint) {
-+		pr_info("Setting up IPI vectored interrupts\n");
-+		set_vi_handler(MIPS_CPU_IPI_RESCHED_IRQ, ltq_sw0_irqdispatch);
-+		set_vi_handler(MIPS_CPU_IPI_CALL_IRQ, ltq_sw1_irqdispatch);
-+	}
-+	arch_init_ipiirq(MIPS_CPU_IRQ_BASE + MIPS_CPU_IPI_RESCHED_IRQ,
-+		&irq_resched);
-+	arch_init_ipiirq(MIPS_CPU_IRQ_BASE + MIPS_CPU_IPI_CALL_IRQ, &irq_call);
-+#endif
-+
- #if !defined(CONFIG_MIPS_MT_SMP) && !defined(CONFIG_MIPS_MT_SMTC)
- 	set_c0_status(IE_IRQ0 | IE_IRQ1 | IE_IRQ2 |
- 		IE_IRQ3 | IE_IRQ4 | IE_IRQ5);
---- a/arch/mips/lantiq/prom.c
-+++ b/arch/mips/lantiq/prom.c
-@@ -108,4 +108,9 @@ void __init prom_init(void)
- 	soc_info.sys_type[LTQ_SYS_TYPE_LEN - 1] = '\0';
- 	pr_info("SoC: %s\n", soc_info.sys_type);
- 	prom_init_cmdline();
-+
-+#if defined(CONFIG_MIPS_MT_SMP)
-+	if (register_vsmp_smp_ops())
-+		panic("failed to register_vsmp_smp_ops()");
-+#endif
- }