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-rw-r--r--arch/mips/Kconfig4
-rw-r--r--arch/mips/alchemy/devboards/db1550.c1
-rw-r--r--arch/mips/cavium-octeon/octeon-irq.c5
-rw-r--r--arch/mips/include/asm/cacheflush.h2
-rw-r--r--arch/mips/include/asm/mips-cps.h23
-rw-r--r--arch/mips/include/asm/processor.h2
-rw-r--r--arch/mips/kernel/irq.c8
-rw-r--r--arch/mips/kernel/process.c8
-rw-r--r--arch/mips/kernel/smp-bmips.c3
-rw-r--r--arch/mips/kernel/uprobes.c1
-rw-r--r--arch/mips/loongson64/smp.c1
-rw-r--r--arch/mips/rb532/prom.c1
-rw-r--r--arch/mips/sibyte/common/cfe.c1
-rw-r--r--arch/mips/sibyte/swarm/setup.c1
14 files changed, 17 insertions, 44 deletions
diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
index 771ca53af06d..95fc35669860 100644
--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
@@ -47,7 +47,6 @@ config MIPS
select GENERIC_SMP_IDLE_THREAD
select GENERIC_TIME_VSYSCALL
select GUP_GET_PTE_LOW_HIGH if CPU_MIPS32 && PHYS_ADDR_T_64BIT
- select HANDLE_DOMAIN_IRQ
select HAVE_ARCH_COMPILER_H
select HAVE_ARCH_JUMP_LABEL
select HAVE_ARCH_KGDB if MIPS_FP_SUPPORT
@@ -1782,6 +1781,7 @@ config CPU_BMIPS
select CPU_HAS_PREFETCH
select CPU_SUPPORTS_CPUFREQ
select MIPS_EXTERNAL_TIMER
+ select GENERIC_IRQ_MIGRATION if HOTPLUG_CPU
help
Support for BMIPS32/3300/4350/4380 and BMIPS5000 processors.
@@ -3316,8 +3316,6 @@ source "drivers/cpuidle/Kconfig"
endmenu
-source "drivers/firmware/Kconfig"
-
source "arch/mips/kvm/Kconfig"
source "arch/mips/vdso/Kconfig"
diff --git a/arch/mips/alchemy/devboards/db1550.c b/arch/mips/alchemy/devboards/db1550.c
index 752b93d91ac9..fd91d9c9a252 100644
--- a/arch/mips/alchemy/devboards/db1550.c
+++ b/arch/mips/alchemy/devboards/db1550.c
@@ -66,6 +66,7 @@ int __init db1550_board_setup(void)
case BCSR_WHOAMI_PB1550_DDR:
bcsr_init(PB1550_BCSR_PHYS_ADDR,
PB1550_BCSR_PHYS_ADDR + PB1550_BCSR_HEXLED_OFS);
+ break;
case BCSR_WHOAMI_DB1550:
break;
default:
diff --git a/arch/mips/cavium-octeon/octeon-irq.c b/arch/mips/cavium-octeon/octeon-irq.c
index be5d4afcd30f..844f882096e6 100644
--- a/arch/mips/cavium-octeon/octeon-irq.c
+++ b/arch/mips/cavium-octeon/octeon-irq.c
@@ -2609,7 +2609,10 @@ static void octeon_irq_ciu3_ip2(void)
else
hw = intsn;
- ret = handle_domain_irq(domain, hw, NULL);
+ irq_enter();
+ ret = generic_handle_domain_irq(domain, hw);
+ irq_exit();
+
if (ret < 0) {
union cvmx_ciu3_iscx_w1c isc_w1c;
u64 isc_w1c_addr = ciu3_addr + CIU3_ISC_W1C(intsn);
diff --git a/arch/mips/include/asm/cacheflush.h b/arch/mips/include/asm/cacheflush.h
index b3dc9c589442..f207388541d5 100644
--- a/arch/mips/include/asm/cacheflush.h
+++ b/arch/mips/include/asm/cacheflush.h
@@ -61,6 +61,8 @@ static inline void flush_dcache_page(struct page *page)
SetPageDcacheDirty(page);
}
+void flush_dcache_folio(struct folio *folio);
+
#define flush_dcache_mmap_lock(mapping) do { } while (0)
#define flush_dcache_mmap_unlock(mapping) do { } while (0)
diff --git a/arch/mips/include/asm/mips-cps.h b/arch/mips/include/asm/mips-cps.h
index 35fb8ee6dd33..fd43d876892e 100644
--- a/arch/mips/include/asm/mips-cps.h
+++ b/arch/mips/include/asm/mips-cps.h
@@ -10,8 +10,6 @@
#include <linux/io.h>
#include <linux/types.h>
-#include <asm/mips-boards/launch.h>
-
extern unsigned long __cps_access_bad_size(void)
__compiletime_error("Bad size for CPS accessor");
@@ -167,30 +165,11 @@ static inline uint64_t mips_cps_cluster_config(unsigned int cluster)
*/
static inline unsigned int mips_cps_numcores(unsigned int cluster)
{
- unsigned int ncores;
-
if (!mips_cm_present())
return 0;
/* Add one before masking to handle 0xff indicating no cores */
- ncores = (mips_cps_cluster_config(cluster) + 1) & CM_GCR_CONFIG_PCORES;
-
- if (IS_ENABLED(CONFIG_SOC_MT7621)) {
- struct cpulaunch *launch;
-
- /*
- * Ralink MT7621S SoC is single core, but the GCR_CONFIG method
- * always reports 2 cores. Check the second core's LAUNCH_FREADY
- * flag to detect if the second core is missing. This method
- * only works before the core has been started.
- */
- launch = (struct cpulaunch *)CKSEG0ADDR(CPULAUNCH);
- launch += 2; /* MT7621 has 2 VPEs per core */
- if (!(launch->flags & LAUNCH_FREADY))
- ncores = 1;
- }
-
- return ncores;
+ return (mips_cps_cluster_config(cluster) + 1) & CM_GCR_CONFIG_PCORES;
}
/**
diff --git a/arch/mips/include/asm/processor.h b/arch/mips/include/asm/processor.h
index 0c3550c82b72..252ed38ce8c5 100644
--- a/arch/mips/include/asm/processor.h
+++ b/arch/mips/include/asm/processor.h
@@ -369,7 +369,7 @@ static inline void flush_thread(void)
{
}
-unsigned long get_wchan(struct task_struct *p);
+unsigned long __get_wchan(struct task_struct *p);
#define __KSTK_TOS(tsk) ((unsigned long)task_stack_page(tsk) + \
THREAD_SIZE - 32 - sizeof(struct pt_regs))
diff --git a/arch/mips/kernel/irq.c b/arch/mips/kernel/irq.c
index d20e002b3246..5e11582fe308 100644
--- a/arch/mips/kernel/irq.c
+++ b/arch/mips/kernel/irq.c
@@ -111,15 +111,9 @@ void __irq_entry do_IRQ(unsigned int irq)
#ifdef CONFIG_IRQ_DOMAIN
void __irq_entry do_domain_IRQ(struct irq_domain *domain, unsigned int hwirq)
{
- struct irq_desc *desc;
-
irq_enter();
check_stack_overflow();
-
- desc = irq_resolve_mapping(domain, hwirq);
- if (likely(desc))
- handle_irq_desc(desc);
-
+ generic_handle_domain_irq(domain, hwirq);
irq_exit();
}
#endif
diff --git a/arch/mips/kernel/process.c b/arch/mips/kernel/process.c
index 95aa86fa6077..cbff1b974f88 100644
--- a/arch/mips/kernel/process.c
+++ b/arch/mips/kernel/process.c
@@ -511,7 +511,7 @@ static int __init frame_info_init(void)
/*
* Without schedule() frame info, result given by
- * thread_saved_pc() and get_wchan() are not reliable.
+ * thread_saved_pc() and __get_wchan() are not reliable.
*/
if (schedule_mfi.pc_offset < 0)
printk("Can't analyze schedule() prologue at %p\n", schedule);
@@ -652,9 +652,9 @@ unsigned long unwind_stack(struct task_struct *task, unsigned long *sp,
#endif
/*
- * get_wchan - a maintenance nightmare^W^Wpain in the ass ...
+ * __get_wchan - a maintenance nightmare^W^Wpain in the ass ...
*/
-unsigned long get_wchan(struct task_struct *task)
+unsigned long __get_wchan(struct task_struct *task)
{
unsigned long pc = 0;
#ifdef CONFIG_KALLSYMS
@@ -662,8 +662,6 @@ unsigned long get_wchan(struct task_struct *task)
unsigned long ra = 0;
#endif
- if (!task || task == current || task_is_running(task))
- goto out;
if (!task_stack_page(task))
goto out;
diff --git a/arch/mips/kernel/smp-bmips.c b/arch/mips/kernel/smp-bmips.c
index b6ef5f7312cf..f5d7bfa3472a 100644
--- a/arch/mips/kernel/smp-bmips.c
+++ b/arch/mips/kernel/smp-bmips.c
@@ -26,6 +26,7 @@
#include <linux/bug.h>
#include <linux/kernel.h>
#include <linux/kexec.h>
+#include <linux/irq.h>
#include <asm/time.h>
#include <asm/processor.h>
@@ -373,7 +374,7 @@ static int bmips_cpu_disable(void)
set_cpu_online(cpu, false);
calculate_cpu_foreign_map();
- irq_cpu_offline();
+ irq_migrate_all_off_this_cpu();
clear_c0_status(IE_IRQ5);
local_flush_tlb_all();
diff --git a/arch/mips/kernel/uprobes.c b/arch/mips/kernel/uprobes.c
index 9db2a6db5f62..6c063aa188e6 100644
--- a/arch/mips/kernel/uprobes.c
+++ b/arch/mips/kernel/uprobes.c
@@ -173,6 +173,7 @@ int arch_uprobe_exception_notify(struct notifier_block *self,
case DIE_UPROBE_XOL:
if (uprobe_post_sstep_notifier(regs))
return NOTIFY_STOP;
+ break;
default:
break;
}
diff --git a/arch/mips/loongson64/smp.c b/arch/mips/loongson64/smp.c
index 09ebe84a17fe..660e1de4412a 100644
--- a/arch/mips/loongson64/smp.c
+++ b/arch/mips/loongson64/smp.c
@@ -550,7 +550,6 @@ static int loongson3_cpu_disable(void)
set_cpu_online(cpu, false);
calculate_cpu_foreign_map();
local_irq_save(flags);
- irq_cpu_offline();
clear_c0_status(ST0_IM);
local_irq_restore(flags);
local_flush_tlb_all();
diff --git a/arch/mips/rb532/prom.c b/arch/mips/rb532/prom.c
index 23ad8dd9aa5e..b11693715547 100644
--- a/arch/mips/rb532/prom.c
+++ b/arch/mips/rb532/prom.c
@@ -16,7 +16,6 @@
#include <linux/console.h>
#include <linux/memblock.h>
#include <linux/ioport.h>
-#include <linux/blkdev.h>
#include <asm/bootinfo.h>
#include <asm/mach-rc32434/ddr.h>
diff --git a/arch/mips/sibyte/common/cfe.c b/arch/mips/sibyte/common/cfe.c
index a3323f8dcc1b..1a504294d85f 100644
--- a/arch/mips/sibyte/common/cfe.c
+++ b/arch/mips/sibyte/common/cfe.c
@@ -7,7 +7,6 @@
#include <linux/kernel.h>
#include <linux/linkage.h>
#include <linux/mm.h>
-#include <linux/blkdev.h>
#include <linux/memblock.h>
#include <linux/pm.h>
#include <linux/smp.h>
diff --git a/arch/mips/sibyte/swarm/setup.c b/arch/mips/sibyte/swarm/setup.c
index 538a2791b48c..f07b15dd1c1a 100644
--- a/arch/mips/sibyte/swarm/setup.c
+++ b/arch/mips/sibyte/swarm/setup.c
@@ -11,7 +11,6 @@
#include <linux/spinlock.h>
#include <linux/mm.h>
#include <linux/memblock.h>
-#include <linux/blkdev.h>
#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/screen_info.h>