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Date: Tue, 8 Nov 2022 09:36:49 +0800
From: Huacai Chen <chenhuacai@...ngson.cn>
To: Huacai Chen <chenhuacai@...nel.org>
Cc: loongarch@...ts.linux.dev, Xuefeng Li <lixuefeng@...ngson.cn>,
Guo Ren <guoren@...nel.org>, Xuerui Wang <kernel@...0n.name>,
Jiaxun Yang <jiaxun.yang@...goat.com>,
linux-kernel@...r.kernel.org, Huacai Chen <chenhuacai@...ngson.cn>
Subject: [PATCH] LoongArch: SMP: Change prefix from loongson3 to loongson
SMP operations can be shared by Loongson-2 series and Loongson-3 series,
so we change the prefix from loongson3 to loongson for all functions and
data structures.
Signed-off-by: Huacai Chen <chenhuacai@...ngson.cn>
---
arch/loongarch/include/asm/irq.h | 2 +-
arch/loongarch/include/asm/smp.h | 30 +++++++++++-----------
arch/loongarch/kernel/irq.c | 2 +-
arch/loongarch/kernel/smp.c | 44 ++++++++++++++++----------------
4 files changed, 39 insertions(+), 39 deletions(-)
diff --git a/arch/loongarch/include/asm/irq.h b/arch/loongarch/include/asm/irq.h
index d06d4542b634..5332b1433f38 100644
--- a/arch/loongarch/include/asm/irq.h
+++ b/arch/loongarch/include/asm/irq.h
@@ -117,7 +117,7 @@ extern struct fwnode_handle *liointc_handle;
extern struct fwnode_handle *pch_lpc_handle;
extern struct fwnode_handle *pch_pic_handle[MAX_IO_PICS];
-extern irqreturn_t loongson3_ipi_interrupt(int irq, void *dev);
+extern irqreturn_t loongson_ipi_interrupt(int irq, void *dev);
#include <asm-generic/irq.h>
diff --git a/arch/loongarch/include/asm/smp.h b/arch/loongarch/include/asm/smp.h
index 71189b28bfb2..3dd172d9ffea 100644
--- a/arch/loongarch/include/asm/smp.h
+++ b/arch/loongarch/include/asm/smp.h
@@ -19,21 +19,21 @@ extern cpumask_t cpu_sibling_map[];
extern cpumask_t cpu_core_map[];
extern cpumask_t cpu_foreign_map[];
-void loongson3_smp_setup(void);
-void loongson3_prepare_cpus(unsigned int max_cpus);
-void loongson3_boot_secondary(int cpu, struct task_struct *idle);
-void loongson3_init_secondary(void);
-void loongson3_smp_finish(void);
-void loongson3_send_ipi_single(int cpu, unsigned int action);
-void loongson3_send_ipi_mask(const struct cpumask *mask, unsigned int action);
+void loongson_smp_setup(void);
+void loongson_prepare_cpus(unsigned int max_cpus);
+void loongson_boot_secondary(int cpu, struct task_struct *idle);
+void loongson_init_secondary(void);
+void loongson_smp_finish(void);
+void loongson_send_ipi_single(int cpu, unsigned int action);
+void loongson_send_ipi_mask(const struct cpumask *mask, unsigned int action);
#ifdef CONFIG_HOTPLUG_CPU
-int loongson3_cpu_disable(void);
-void loongson3_cpu_die(unsigned int cpu);
+int loongson_cpu_disable(void);
+void loongson_cpu_die(unsigned int cpu);
#endif
static inline void plat_smp_setup(void)
{
- loongson3_smp_setup();
+ loongson_smp_setup();
}
static inline int raw_smp_processor_id(void)
@@ -85,28 +85,28 @@ extern void show_ipi_list(struct seq_file *p, int prec);
*/
static inline void smp_send_reschedule(int cpu)
{
- loongson3_send_ipi_single(cpu, SMP_RESCHEDULE);
+ loongson_send_ipi_single(cpu, SMP_RESCHEDULE);
}
static inline void arch_send_call_function_single_ipi(int cpu)
{
- loongson3_send_ipi_single(cpu, SMP_CALL_FUNCTION);
+ loongson_send_ipi_single(cpu, SMP_CALL_FUNCTION);
}
static inline void arch_send_call_function_ipi_mask(const struct cpumask *mask)
{
- loongson3_send_ipi_mask(mask, SMP_CALL_FUNCTION);
+ loongson_send_ipi_mask(mask, SMP_CALL_FUNCTION);
}
#ifdef CONFIG_HOTPLUG_CPU
static inline int __cpu_disable(void)
{
- return loongson3_cpu_disable();
+ return loongson_cpu_disable();
}
static inline void __cpu_die(unsigned int cpu)
{
- loongson3_cpu_die(cpu);
+ loongson_cpu_die(cpu);
}
extern void play_dead(void);
diff --git a/arch/loongarch/kernel/irq.c b/arch/loongarch/kernel/irq.c
index 1ba19c76563e..0524bf1169b7 100644
--- a/arch/loongarch/kernel/irq.c
+++ b/arch/loongarch/kernel/irq.c
@@ -117,7 +117,7 @@ void __init init_IRQ(void)
if (ipi_irq < 0)
panic("IPI IRQ mapping failed\n");
irq_set_percpu_devid(ipi_irq);
- r = request_percpu_irq(ipi_irq, loongson3_ipi_interrupt, "IPI", &ipi_dummy_dev);
+ r = request_percpu_irq(ipi_irq, loongson_ipi_interrupt, "IPI", &ipi_dummy_dev);
if (r < 0)
panic("IPI IRQ request failed\n");
#endif
diff --git a/arch/loongarch/kernel/smp.c b/arch/loongarch/kernel/smp.c
index 781a4d4bdddc..6ed72f7ff278 100644
--- a/arch/loongarch/kernel/smp.c
+++ b/arch/loongarch/kernel/smp.c
@@ -136,12 +136,12 @@ static void ipi_write_action(int cpu, u32 action)
}
}
-void loongson3_send_ipi_single(int cpu, unsigned int action)
+void loongson_send_ipi_single(int cpu, unsigned int action)
{
ipi_write_action(cpu_logical_map(cpu), (u32)action);
}
-void loongson3_send_ipi_mask(const struct cpumask *mask, unsigned int action)
+void loongson_send_ipi_mask(const struct cpumask *mask, unsigned int action)
{
unsigned int i;
@@ -149,7 +149,7 @@ void loongson3_send_ipi_mask(const struct cpumask *mask, unsigned int action)
ipi_write_action(cpu_logical_map(i), (u32)action);
}
-irqreturn_t loongson3_ipi_interrupt(int irq, void *dev)
+irqreturn_t loongson_ipi_interrupt(int irq, void *dev)
{
unsigned int action;
unsigned int cpu = smp_processor_id();
@@ -169,7 +169,7 @@ irqreturn_t loongson3_ipi_interrupt(int irq, void *dev)
return IRQ_HANDLED;
}
-void __init loongson3_smp_setup(void)
+void __init loongson_smp_setup(void)
{
cpu_data[0].core = cpu_logical_map(0) % loongson_sysconf.cores_per_package;
cpu_data[0].package = cpu_logical_map(0) / loongson_sysconf.cores_per_package;
@@ -178,7 +178,7 @@ void __init loongson3_smp_setup(void)
pr_info("Detected %i available CPU(s)\n", loongson_sysconf.nr_cpus);
}
-void __init loongson3_prepare_cpus(unsigned int max_cpus)
+void __init loongson_prepare_cpus(unsigned int max_cpus)
{
int i = 0;
@@ -193,7 +193,7 @@ void __init loongson3_prepare_cpus(unsigned int max_cpus)
/*
* Setup the PC, SP, and TP of a secondary processor and start it running!
*/
-void loongson3_boot_secondary(int cpu, struct task_struct *idle)
+void loongson_boot_secondary(int cpu, struct task_struct *idle)
{
unsigned long entry;
@@ -205,13 +205,13 @@ void loongson3_boot_secondary(int cpu, struct task_struct *idle)
csr_mail_send(entry, cpu_logical_map(cpu), 0);
- loongson3_send_ipi_single(cpu, SMP_BOOT_CPU);
+ loongson_send_ipi_single(cpu, SMP_BOOT_CPU);
}
/*
* SMP init and finish on secondary CPUs
*/
-void loongson3_init_secondary(void)
+void loongson_init_secondary(void)
{
unsigned int cpu = smp_processor_id();
unsigned int imask = ECFGF_IP0 | ECFGF_IP1 | ECFGF_IP2 |
@@ -231,7 +231,7 @@ void loongson3_init_secondary(void)
cpu_logical_map(cpu) / loongson_sysconf.cores_per_package;
}
-void loongson3_smp_finish(void)
+void loongson_smp_finish(void)
{
local_irq_enable();
iocsr_write64(0, LOONGARCH_IOCSR_MBUF0);
@@ -240,7 +240,7 @@ void loongson3_smp_finish(void)
#ifdef CONFIG_HOTPLUG_CPU
-int loongson3_cpu_disable(void)
+int loongson_cpu_disable(void)
{
unsigned long flags;
unsigned int cpu = smp_processor_id();
@@ -262,7 +262,7 @@ int loongson3_cpu_disable(void)
return 0;
}
-void loongson3_cpu_die(unsigned int cpu)
+void loongson_cpu_die(unsigned int cpu)
{
while (per_cpu(cpu_state, cpu) != CPU_DEAD)
cpu_relax();
@@ -300,19 +300,19 @@ void play_dead(void)
*/
#ifdef CONFIG_PM
-static int loongson3_ipi_suspend(void)
+static int loongson_ipi_suspend(void)
{
return 0;
}
-static void loongson3_ipi_resume(void)
+static void loongson_ipi_resume(void)
{
iocsr_write32(0xffffffff, LOONGARCH_IOCSR_IPI_EN);
}
-static struct syscore_ops loongson3_ipi_syscore_ops = {
- .resume = loongson3_ipi_resume,
- .suspend = loongson3_ipi_suspend,
+static struct syscore_ops loongson_ipi_syscore_ops = {
+ .resume = loongson_ipi_resume,
+ .suspend = loongson_ipi_suspend,
};
/*
@@ -321,7 +321,7 @@ static struct syscore_ops loongson3_ipi_syscore_ops = {
*/
static int __init ipi_pm_init(void)
{
- register_syscore_ops(&loongson3_ipi_syscore_ops);
+ register_syscore_ops(&loongson_ipi_syscore_ops);
return 0;
}
@@ -425,7 +425,7 @@ void __init smp_prepare_cpus(unsigned int max_cpus)
{
init_new_context(current, &init_mm);
current_thread_info()->cpu = 0;
- loongson3_prepare_cpus(max_cpus);
+ loongson_prepare_cpus(max_cpus);
set_cpu_sibling_map(0);
set_cpu_core_map(0);
calculate_cpu_foreign_map();
@@ -436,7 +436,7 @@ void __init smp_prepare_cpus(unsigned int max_cpus)
int __cpu_up(unsigned int cpu, struct task_struct *tidle)
{
- loongson3_boot_secondary(cpu, tidle);
+ loongson_boot_secondary(cpu, tidle);
/* Wait for CPU to start and be ready to sync counters */
if (!wait_for_completion_timeout(&cpu_starting,
@@ -465,7 +465,7 @@ asmlinkage void start_secondary(void)
cpu_probe();
constant_clockevent_init();
- loongson3_init_secondary();
+ loongson_init_secondary();
set_cpu_sibling_map(cpu);
set_cpu_core_map(cpu);
@@ -487,11 +487,11 @@ asmlinkage void start_secondary(void)
complete(&cpu_running);
/*
- * irq will be enabled in loongson3_smp_finish(), enabling it too
+ * irq will be enabled in loongson_smp_finish(), enabling it too
* early is dangerous.
*/
WARN_ON_ONCE(!irqs_disabled());
- loongson3_smp_finish();
+ loongson_smp_finish();
cpu_startup_entry(CPUHP_AP_ONLINE_IDLE);
}
--
2.31.1
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