diff options
author | Catalin Marinas <catalin.marinas@arm.com> | 2013-01-14 22:05:37 +0400 |
---|---|---|
committer | Catalin Marinas <catalin.marinas@arm.com> | 2013-03-26 20:12:02 +0400 |
commit | c0114709ed85a5693eb74acdfa03d94f7f12e5b8 (patch) | |
tree | 372c5cee96580d73e638d25a2b169a64b82bc908 /arch | |
parent | aec0095653cd9812b9a15df0315364cc6d094c59 (diff) | |
download | linux-c0114709ed85a5693eb74acdfa03d94f7f12e5b8.tar.xz |
irqchip: gic: Perform the gic_secondary_init() call via CPU notifier
All the calls to gic_secondary_init() pass 0 as the first argument.
Since this function is called on each CPU when starting, it can be done
in a platform-independent way via a CPU notifier registered by the GIC
code.
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Acked-by: Stephen Warren <swarren@nvidia.com>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Acked-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Acked-by: Rob Herring <rob.herring@calxeda.com>
Acked-by: Simon Horman <horms+renesas@verge.net.au>
Tested-by: Simon Horman <horms+renesas@verge.net.au>
Acked-by: Srinidhi Kasagar <srinidhi.kasagar@stericsson.com>
Tested-by: Dinh Nguyen <dinguyen@altera.com>
Acked-by: Nicolas Pitre <nico@linaro.org>
Tested-by: Marc Zyngier <marc.zyngier@arm.com>
Cc: Russell King <linux@arm.linux.org.uk>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Kukjin Kim <kgene.kim@samsung.com>
Cc: Sascha Hauer <kernel@pengutronix.de>
Cc: David Brown <davidb@codeaurora.org>
Cc: Bryan Huntsman <bryanh@codeaurora.org>
Cc: Tony Lindgren <tony@atomide.com>
Cc: Magnus Damm <magnus.damm@gmail.com>
Cc: Shiraz Hashim <shiraz.hashim@st.com>
Cc: Linus Walleij <linus.walleij@linaro.org>
Cc: Will Deacon <will.deacon@arm.com>
Cc: Kukjin Kim <kgene.kim@samsung.com>
Cc: Barry Song <baohua.song@csr.com>
Diffstat (limited to 'arch')
-rw-r--r-- | arch/arm/mach-exynos/platsmp.c | 8 | ||||
-rw-r--r-- | arch/arm/mach-highbank/platsmp.c | 7 | ||||
-rw-r--r-- | arch/arm/mach-imx/platsmp.c | 12 | ||||
-rw-r--r-- | arch/arm/mach-msm/platsmp.c | 8 | ||||
-rw-r--r-- | arch/arm/mach-omap2/omap-smp.c | 7 | ||||
-rw-r--r-- | arch/arm/mach-prima2/platsmp.c | 8 | ||||
-rw-r--r-- | arch/arm/mach-shmobile/smp-emev2.c | 7 | ||||
-rw-r--r-- | arch/arm/mach-shmobile/smp-r8a7779.c | 7 | ||||
-rw-r--r-- | arch/arm/mach-shmobile/smp-sh73a0.c | 7 | ||||
-rw-r--r-- | arch/arm/mach-socfpga/platsmp.c | 12 | ||||
-rw-r--r-- | arch/arm/mach-spear13xx/platsmp.c | 8 | ||||
-rw-r--r-- | arch/arm/mach-tegra/platsmp.c | 8 | ||||
-rw-r--r-- | arch/arm/mach-ux500/platsmp.c | 8 | ||||
-rw-r--r-- | arch/arm/mach-virt/platsmp.c | 8 | ||||
-rw-r--r-- | arch/arm/plat-versatile/platsmp.c | 8 |
15 files changed, 0 insertions, 123 deletions
diff --git a/arch/arm/mach-exynos/platsmp.c b/arch/arm/mach-exynos/platsmp.c index 60f7c5be057d..95e04bd5813f 100644 --- a/arch/arm/mach-exynos/platsmp.c +++ b/arch/arm/mach-exynos/platsmp.c @@ -20,7 +20,6 @@ #include <linux/jiffies.h> #include <linux/smp.h> #include <linux/io.h> -#include <linux/irqchip/arm-gic.h> #include <asm/cacheflush.h> #include <asm/smp_plat.h> @@ -76,13 +75,6 @@ static DEFINE_SPINLOCK(boot_lock); static void __cpuinit exynos_secondary_init(unsigned int cpu) { /* - * if any interrupts are already enabled for the primary - * core (e.g. timer irq), then they will not have been enabled - * for us: do so - */ - gic_secondary_init(0); - - /* * let the primary processor know we're out of the * pen, then head off into the C entry point */ diff --git a/arch/arm/mach-highbank/platsmp.c b/arch/arm/mach-highbank/platsmp.c index 8797a7001720..a984573e0d02 100644 --- a/arch/arm/mach-highbank/platsmp.c +++ b/arch/arm/mach-highbank/platsmp.c @@ -17,7 +17,6 @@ #include <linux/init.h> #include <linux/smp.h> #include <linux/io.h> -#include <linux/irqchip/arm-gic.h> #include <asm/smp_scu.h> @@ -25,11 +24,6 @@ extern void secondary_startup(void); -static void __cpuinit highbank_secondary_init(unsigned int cpu) -{ - gic_secondary_init(0); -} - static int __cpuinit highbank_boot_secondary(unsigned int cpu, struct task_struct *idle) { highbank_set_cpu_jump(cpu, secondary_startup); @@ -67,7 +61,6 @@ static void __init highbank_smp_prepare_cpus(unsigned int max_cpus) struct smp_operations highbank_smp_ops __initdata = { .smp_init_cpus = highbank_smp_init_cpus, .smp_prepare_cpus = highbank_smp_prepare_cpus, - .smp_secondary_init = highbank_secondary_init, .smp_boot_secondary = highbank_boot_secondary, #ifdef CONFIG_HOTPLUG_CPU .cpu_die = highbank_cpu_die, diff --git a/arch/arm/mach-imx/platsmp.c b/arch/arm/mach-imx/platsmp.c index 7c0b03f67b05..77e9a25ed0f6 100644 --- a/arch/arm/mach-imx/platsmp.c +++ b/arch/arm/mach-imx/platsmp.c @@ -12,7 +12,6 @@ #include <linux/init.h> #include <linux/smp.h> -#include <linux/irqchip/arm-gic.h> #include <asm/page.h> #include <asm/smp_scu.h> #include <asm/mach/map.h> @@ -52,16 +51,6 @@ void imx_scu_standby_enable(void) writel_relaxed(val, scu_base); } -static void __cpuinit imx_secondary_init(unsigned int cpu) -{ - /* - * if any interrupts are already enabled for the primary - * core (e.g. timer irq), then they will not have been enabled - * for us: do so - */ - gic_secondary_init(0); -} - static int __cpuinit imx_boot_secondary(unsigned int cpu, struct task_struct *idle) { imx_set_cpu_jump(cpu, v7_secondary_startup); @@ -96,7 +85,6 @@ static void __init imx_smp_prepare_cpus(unsigned int max_cpus) struct smp_operations imx_smp_ops __initdata = { .smp_init_cpus = imx_smp_init_cpus, .smp_prepare_cpus = imx_smp_prepare_cpus, - .smp_secondary_init = imx_secondary_init, .smp_boot_secondary = imx_boot_secondary, #ifdef CONFIG_HOTPLUG_CPU .cpu_die = imx_cpu_die, diff --git a/arch/arm/mach-msm/platsmp.c b/arch/arm/mach-msm/platsmp.c index 42932865416a..00cdb0a5dac8 100644 --- a/arch/arm/mach-msm/platsmp.c +++ b/arch/arm/mach-msm/platsmp.c @@ -15,7 +15,6 @@ #include <linux/jiffies.h> #include <linux/smp.h> #include <linux/io.h> -#include <linux/irqchip/arm-gic.h> #include <asm/cacheflush.h> #include <asm/cputype.h> @@ -42,13 +41,6 @@ static inline int get_core_count(void) static void __cpuinit msm_secondary_init(unsigned int cpu) { /* - * if any interrupts are already enabled for the primary - * core (e.g. timer irq), then they will not have been enabled - * for us: do so - */ - gic_secondary_init(0); - - /* * let the primary processor know we're out of the * pen, then head off into the C entry point */ diff --git a/arch/arm/mach-omap2/omap-smp.c b/arch/arm/mach-omap2/omap-smp.c index d9727218dd0a..e7a449758ab5 100644 --- a/arch/arm/mach-omap2/omap-smp.c +++ b/arch/arm/mach-omap2/omap-smp.c @@ -67,13 +67,6 @@ static void __cpuinit omap4_secondary_init(unsigned int cpu) 4, 0, 0, 0, 0, 0); /* - * If any interrupts are already enabled for the primary - * core (e.g. timer irq), then they will not have been enabled - * for us: do so - */ - gic_secondary_init(0); - - /* * Synchronise with the boot thread. */ spin_lock(&boot_lock); diff --git a/arch/arm/mach-prima2/platsmp.c b/arch/arm/mach-prima2/platsmp.c index 4b788310f6a6..c7c92e78f0cf 100644 --- a/arch/arm/mach-prima2/platsmp.c +++ b/arch/arm/mach-prima2/platsmp.c @@ -11,7 +11,6 @@ #include <linux/delay.h> #include <linux/of.h> #include <linux/of_address.h> -#include <linux/irqchip/arm-gic.h> #include <asm/page.h> #include <asm/mach/map.h> #include <asm/smp_plat.h> @@ -49,13 +48,6 @@ void __init sirfsoc_map_scu(void) static void __cpuinit sirfsoc_secondary_init(unsigned int cpu) { /* - * if any interrupts are already enabled for the primary - * core (e.g. timer irq), then they will not have been enabled - * for us: do so - */ - gic_secondary_init(0); - - /* * let the primary processor know we're out of the * pen, then head off into the C entry point */ diff --git a/arch/arm/mach-shmobile/smp-emev2.c b/arch/arm/mach-shmobile/smp-emev2.c index 953eb1f9388d..384e27dd3601 100644 --- a/arch/arm/mach-shmobile/smp-emev2.c +++ b/arch/arm/mach-shmobile/smp-emev2.c @@ -23,7 +23,6 @@ #include <linux/spinlock.h> #include <linux/io.h> #include <linux/delay.h> -#include <linux/irqchip/arm-gic.h> #include <mach/common.h> #include <mach/emev2.h> #include <asm/smp_plat.h> @@ -85,11 +84,6 @@ static int __maybe_unused emev2_cpu_kill(unsigned int cpu) } -static void __cpuinit emev2_secondary_init(unsigned int cpu) -{ - gic_secondary_init(0); -} - static int __cpuinit emev2_boot_secondary(unsigned int cpu, struct task_struct *idle) { cpu = cpu_logical_map(cpu); @@ -124,7 +118,6 @@ static void __init emev2_smp_init_cpus(void) struct smp_operations emev2_smp_ops __initdata = { .smp_init_cpus = emev2_smp_init_cpus, .smp_prepare_cpus = emev2_smp_prepare_cpus, - .smp_secondary_init = emev2_secondary_init, .smp_boot_secondary = emev2_boot_secondary, #ifdef CONFIG_HOTPLUG_CPU .cpu_kill = emev2_cpu_kill, diff --git a/arch/arm/mach-shmobile/smp-r8a7779.c b/arch/arm/mach-shmobile/smp-r8a7779.c index 3a4acf23edcf..994906560edd 100644 --- a/arch/arm/mach-shmobile/smp-r8a7779.c +++ b/arch/arm/mach-shmobile/smp-r8a7779.c @@ -23,7 +23,6 @@ #include <linux/spinlock.h> #include <linux/io.h> #include <linux/delay.h> -#include <linux/irqchip/arm-gic.h> #include <mach/common.h> #include <mach/r8a7779.h> #include <asm/smp_plat.h> @@ -132,11 +131,6 @@ static int __maybe_unused r8a7779_cpu_kill(unsigned int cpu) } -static void __cpuinit r8a7779_secondary_init(unsigned int cpu) -{ - gic_secondary_init(0); -} - static int __cpuinit r8a7779_boot_secondary(unsigned int cpu, struct task_struct *idle) { struct r8a7779_pm_ch *ch = NULL; @@ -186,7 +180,6 @@ static void __init r8a7779_smp_init_cpus(void) struct smp_operations r8a7779_smp_ops __initdata = { .smp_init_cpus = r8a7779_smp_init_cpus, .smp_prepare_cpus = r8a7779_smp_prepare_cpus, - .smp_secondary_init = r8a7779_secondary_init, .smp_boot_secondary = r8a7779_boot_secondary, #ifdef CONFIG_HOTPLUG_CPU .cpu_kill = r8a7779_cpu_kill, diff --git a/arch/arm/mach-shmobile/smp-sh73a0.c b/arch/arm/mach-shmobile/smp-sh73a0.c index acb46a94ccdf..d0f9aca22477 100644 --- a/arch/arm/mach-shmobile/smp-sh73a0.c +++ b/arch/arm/mach-shmobile/smp-sh73a0.c @@ -23,7 +23,6 @@ #include <linux/spinlock.h> #include <linux/io.h> #include <linux/delay.h> -#include <linux/irqchip/arm-gic.h> #include <mach/common.h> #include <asm/cacheflush.h> #include <asm/smp_plat.h> @@ -59,11 +58,6 @@ static unsigned int __init sh73a0_get_core_count(void) return scu_get_core_count(scu_base); } -static void __cpuinit sh73a0_secondary_init(unsigned int cpu) -{ - gic_secondary_init(0); -} - static int __cpuinit sh73a0_boot_secondary(unsigned int cpu, struct task_struct *idle) { cpu = cpu_logical_map(cpu); @@ -138,7 +132,6 @@ static void sh73a0_cpu_die(unsigned int cpu) struct smp_operations sh73a0_smp_ops __initdata = { .smp_init_cpus = sh73a0_smp_init_cpus, .smp_prepare_cpus = sh73a0_smp_prepare_cpus, - .smp_secondary_init = sh73a0_secondary_init, .smp_boot_secondary = sh73a0_boot_secondary, #ifdef CONFIG_HOTPLUG_CPU .cpu_kill = sh73a0_cpu_kill, diff --git a/arch/arm/mach-socfpga/platsmp.c b/arch/arm/mach-socfpga/platsmp.c index 84c60fa8daa0..ca14d1d5ac7f 100644 --- a/arch/arm/mach-socfpga/platsmp.c +++ b/arch/arm/mach-socfpga/platsmp.c @@ -22,7 +22,6 @@ #include <linux/io.h> #include <linux/of.h> #include <linux/of_address.h> -#include <linux/irqchip/arm-gic.h> #include <asm/cacheflush.h> #include <asm/smp_scu.h> @@ -33,16 +32,6 @@ extern void __iomem *sys_manager_base_addr; extern void __iomem *rst_manager_base_addr; -static void __cpuinit socfpga_secondary_init(unsigned int cpu) -{ - /* - * if any interrupts are already enabled for the primary - * core (e.g. timer irq), then they will not have been enabled - * for us: do so - */ - gic_secondary_init(0); -} - static int __cpuinit socfpga_boot_secondary(unsigned int cpu, struct task_struct *idle) { int trampoline_size = &secondary_trampoline_end - &secondary_trampoline; @@ -109,7 +98,6 @@ static void socfpga_cpu_die(unsigned int cpu) struct smp_operations socfpga_smp_ops __initdata = { .smp_init_cpus = socfpga_smp_init_cpus, .smp_prepare_cpus = socfpga_smp_prepare_cpus, - .smp_secondary_init = socfpga_secondary_init, .smp_boot_secondary = socfpga_boot_secondary, #ifdef CONFIG_HOTPLUG_CPU .cpu_die = socfpga_cpu_die, diff --git a/arch/arm/mach-spear13xx/platsmp.c b/arch/arm/mach-spear13xx/platsmp.c index af4ade61cd95..551c69c9a228 100644 --- a/arch/arm/mach-spear13xx/platsmp.c +++ b/arch/arm/mach-spear13xx/platsmp.c @@ -15,7 +15,6 @@ #include <linux/jiffies.h> #include <linux/io.h> #include <linux/smp.h> -#include <linux/irqchip/arm-gic.h> #include <asm/cacheflush.h> #include <asm/smp_scu.h> #include <mach/spear.h> @@ -28,13 +27,6 @@ static void __iomem *scu_base = IOMEM(VA_SCU_BASE); static void __cpuinit spear13xx_secondary_init(unsigned int cpu) { /* - * if any interrupts are already enabled for the primary - * core (e.g. timer irq), then they will not have been enabled - * for us: do so - */ - gic_secondary_init(0); - - /* * let the primary processor know we're out of the * pen, then head off into the C entry point */ diff --git a/arch/arm/mach-tegra/platsmp.c b/arch/arm/mach-tegra/platsmp.c index 2c6b3d55213b..9348d3c496a9 100644 --- a/arch/arm/mach-tegra/platsmp.c +++ b/arch/arm/mach-tegra/platsmp.c @@ -18,7 +18,6 @@ #include <linux/jiffies.h> #include <linux/smp.h> #include <linux/io.h> -#include <linux/irqchip/arm-gic.h> #include <linux/clk/tegra.h> #include <asm/cacheflush.h> @@ -44,13 +43,6 @@ static cpumask_t tegra_cpu_init_mask; static void __cpuinit tegra_secondary_init(unsigned int cpu) { - /* - * if any interrupts are already enabled for the primary - * core (e.g. timer irq), then they will not have been enabled - * for us: do so - */ - gic_secondary_init(0); - cpumask_set_cpu(cpu, &tegra_cpu_init_mask); } diff --git a/arch/arm/mach-ux500/platsmp.c b/arch/arm/mach-ux500/platsmp.c index 18f7af339dc9..152b1309b9af 100644 --- a/arch/arm/mach-ux500/platsmp.c +++ b/arch/arm/mach-ux500/platsmp.c @@ -16,7 +16,6 @@ #include <linux/device.h> #include <linux/smp.h> #include <linux/io.h> -#include <linux/irqchip/arm-gic.h> #include <asm/cacheflush.h> #include <asm/smp_plat.h> @@ -58,13 +57,6 @@ static DEFINE_SPINLOCK(boot_lock); static void __cpuinit ux500_secondary_init(unsigned int cpu) { /* - * if any interrupts are already enabled for the primary - * core (e.g. timer irq), then they will not have been enabled - * for us: do so - */ - gic_secondary_init(0); - - /* * let the primary processor know we're out of the * pen, then head off into the C entry point */ diff --git a/arch/arm/mach-virt/platsmp.c b/arch/arm/mach-virt/platsmp.c index 8badaabe70a1..f4143f5bfa5b 100644 --- a/arch/arm/mach-virt/platsmp.c +++ b/arch/arm/mach-virt/platsmp.c @@ -21,8 +21,6 @@ #include <linux/smp.h> #include <linux/of.h> -#include <linux/irqchip/arm-gic.h> - #include <asm/psci.h> #include <asm/smp_plat.h> @@ -45,14 +43,8 @@ static int __cpuinit virt_boot_secondary(unsigned int cpu, return -ENODEV; } -static void __cpuinit virt_secondary_init(unsigned int cpu) -{ - gic_secondary_init(0); -} - struct smp_operations __initdata virt_smp_ops = { .smp_init_cpus = virt_smp_init_cpus, .smp_prepare_cpus = virt_smp_prepare_cpus, - .smp_secondary_init = virt_secondary_init, .smp_boot_secondary = virt_boot_secondary, }; diff --git a/arch/arm/plat-versatile/platsmp.c b/arch/arm/plat-versatile/platsmp.c index f2ac15561778..1e1b2d769748 100644 --- a/arch/arm/plat-versatile/platsmp.c +++ b/arch/arm/plat-versatile/platsmp.c @@ -14,7 +14,6 @@ #include <linux/device.h> #include <linux/jiffies.h> #include <linux/smp.h> -#include <linux/irqchip/arm-gic.h> #include <asm/cacheflush.h> #include <asm/smp_plat.h> @@ -37,13 +36,6 @@ static DEFINE_SPINLOCK(boot_lock); void __cpuinit versatile_secondary_init(unsigned int cpu) { /* - * if any interrupts are already enabled for the primary - * core (e.g. timer irq), then they will not have been enabled - * for us: do so - */ - gic_secondary_init(0); - - /* * let the primary processor know we're out of the * pen, then head off into the C entry point */ |