10 files changed, 17 insertions, 48 deletions
diff --git a/arch/mips/loongson2ef/common/Makefile b/arch/mips/loongson2ef/common/Makefile
index d5ab3e543ea3..30ea8b5ca685 100644
--- a/arch/mips/loongson2ef/common/Makefile
+++ b/arch/mips/loongson2ef/common/Makefile
@@ -4,12 +4,14 @@
 #
 
 obj-y += setup.o init.o env.o time.o reset.o irq.o \
-    bonito-irq.o mem.o machtype.o platform.o serial.o
+    bonito-irq.o mem.o machtype.o platform.o
 obj-$(CONFIG_PCI) += pci.o
 
 #
 # Serial port support
 #
+obj-$(CONFIG_LOONGSON_UART_BASE) += serial.o
+obj-$(CONFIG_EARLY_PRINTK) += serial.o
 obj-$(CONFIG_LOONGSON_UART_BASE) += uart_base.o
 obj-$(CONFIG_LOONGSON_MC146818) += rtc.o
 
diff --git a/arch/mips/loongson2ef/common/bonito-irq.c b/arch/mips/loongson2ef/common/bonito-irq.c
index 82352cc25e4c..c06ad412ee20 100644
--- a/arch/mips/loongson2ef/common/bonito-irq.c
+++ b/arch/mips/loongson2ef/common/bonito-irq.c
@@ -30,11 +30,6 @@ static struct irq_chip bonito_irq_type = {
 	.irq_unmask	= bonito_irq_enable,
 };
 
-static struct irqaction __maybe_unused dma_timeout_irqaction = {
-	.handler	= no_action,
-	.name		= "dma_timeout",
-};
-
 void bonito_irq_init(void)
 {
 	u32 i;
@@ -44,6 +39,8 @@ void bonito_irq_init(void)
 					 handle_level_irq);
 
 #ifdef CONFIG_CPU_LOONGSON2E
-	setup_irq(LOONGSON_IRQ_BASE + 10, &dma_timeout_irqaction);
+	i = LOONGSON_IRQ_BASE + 10;
+	if (request_irq(i, no_action, 0, "dma_timeout", NULL))
+		pr_err("Failed to request irq %d (dma_timeout)\n", i);
 #endif
 }
diff --git a/arch/mips/loongson2ef/common/cs5536/cs5536_isa.c b/arch/mips/loongson2ef/common/cs5536/cs5536_isa.c
index 5ad38f86ee62..d60dd9992377 100644
--- a/arch/mips/loongson2ef/common/cs5536/cs5536_isa.c
+++ b/arch/mips/loongson2ef/common/cs5536/cs5536_isa.c
@@ -213,7 +213,7 @@ void pci_isa_write_reg(int reg, u32 value)
 			lo |= 0x00000063;
 			_wrmsr(SB_MSR_REG(SB_ERROR), hi, lo);
 		}
-
+		break;
 	default:
 		/* ALL OTHER PCI CONFIG SPACE HEADER IS NOT IMPLEMENTED. */
 		break;
diff --git a/arch/mips/loongson2ef/common/cs5536/cs5536_mfgpt.c b/arch/mips/loongson2ef/common/cs5536/cs5536_mfgpt.c
index 30af1b7c7529..f21a540a1dd2 100644
--- a/arch/mips/loongson2ef/common/cs5536/cs5536_mfgpt.c
+++ b/arch/mips/loongson2ef/common/cs5536/cs5536_mfgpt.c
@@ -100,12 +100,6 @@ static irqreturn_t timer_interrupt(int irq, void *dev_id)
 	return IRQ_HANDLED;
 }
 
-static struct irqaction irq5 = {
-	.handler = timer_interrupt,
-	.flags = IRQF_NOBALANCING | IRQF_TIMER,
-	.name = "timer"
-};
-
 /*
  * Initialize the conversion factor and the min/max deltas of the clock event
  * structure and register the clock event source with the framework.
@@ -134,7 +128,9 @@ void __init setup_mfgpt0_timer(void)
 
 	clockevents_register_device(cd);
 
-	setup_irq(CS5536_MFGPT_INTR, &irq5);
+	if (request_irq(CS5536_MFGPT_INTR, timer_interrupt,
+			IRQF_NOBALANCING | IRQF_TIMER, "timer", NULL))
+		pr_err("Failed to register timer interrupt\n");
 }
 
 /*
diff --git a/arch/mips/loongson2ef/common/init.c b/arch/mips/loongson2ef/common/init.c
index 45512178be77..7797359359e4 100644
--- a/arch/mips/loongson2ef/common/init.c
+++ b/arch/mips/loongson2ef/common/init.c
@@ -19,10 +19,9 @@ unsigned long __maybe_unused _loongson_addrwincfg_base;
 static void __init mips_nmi_setup(void)
 {
 	void *base;
-	extern char except_vec_nmi;
 
 	base = (void *)(CAC_BASE + 0x380);
-	memcpy(base, &except_vec_nmi, 0x80);
+	memcpy(base, except_vec_nmi, 0x80);
 	flush_icache_range((unsigned long)base, (unsigned long)base + 0x80);
 }
 
@@ -46,7 +45,3 @@ void __init prom_init(void)
 	prom_init_uart_base();
 	board_nmi_handler_setup = mips_nmi_setup;
 }
-
-void __init prom_free_prom_memory(void)
-{
-}
diff --git a/arch/mips/loongson2ef/common/mem.c b/arch/mips/loongson2ef/common/mem.c
index ae21f1c62baa..fceb3ee47eb0 100644
--- a/arch/mips/loongson2ef/common/mem.c
+++ b/arch/mips/loongson2ef/common/mem.c
@@ -17,10 +17,7 @@ u32 memsize, highmemsize;
 
 void __init prom_init_memory(void)
 {
-	add_memory_region(0x0, (memsize << 20), BOOT_MEM_RAM);
-
-	add_memory_region(memsize << 20, LOONGSON_PCI_MEM_START - (memsize <<
-				20), BOOT_MEM_RESERVED);
+	memblock_add(0x0, (memsize << 20));
 
 #ifdef CONFIG_CPU_SUPPORTS_ADDRWINCFG
 	{
@@ -41,22 +38,6 @@ void __init prom_init_memory(void)
 
 #ifdef CONFIG_64BIT
 	if (highmemsize > 0)
-		add_memory_region(LOONGSON_HIGHMEM_START,
-				  highmemsize << 20, BOOT_MEM_RAM);
-
-	add_memory_region(LOONGSON_PCI_MEM_END + 1, LOONGSON_HIGHMEM_START -
-			  LOONGSON_PCI_MEM_END - 1, BOOT_MEM_RESERVED);
-
+		memblock_add(LOONGSON_HIGHMEM_START, highmemsize << 20);
 #endif /* !CONFIG_64BIT */
 }
-
-/* override of arch/mips/mm/cache.c: __uncached_access */
-int __uncached_access(struct file *file, unsigned long addr)
-{
-	if (file->f_flags & O_DSYNC)
-		return 1;
-
-	return addr >= __pa(high_memory) ||
-		((addr >= LOONGSON_MMIO_MEM_START) &&
-		 (addr < LOONGSON_MMIO_MEM_END));
-}
diff --git a/arch/mips/loongson2ef/common/pci.c b/arch/mips/loongson2ef/common/pci.c
index 200916925e95..7d9ea51e8c01 100644
--- a/arch/mips/loongson2ef/common/pci.c
+++ b/arch/mips/loongson2ef/common/pci.c
@@ -73,8 +73,6 @@ static void __init setup_pcimap(void)
 #endif
 }
 
-extern int sbx00_acpi_init(void);
-
 static int __init pcibios_init(void)
 {
 	setup_pcimap();
diff --git a/arch/mips/loongson2ef/common/platform.c b/arch/mips/loongson2ef/common/platform.c
index 0084820cffaa..b10300a527af 100644
--- a/arch/mips/loongson2ef/common/platform.c
+++ b/arch/mips/loongson2ef/common/platform.c
@@ -17,7 +17,7 @@ static int __init loongson2_cpufreq_init(void)
 {
 	struct cpuinfo_mips *c = &current_cpu_data;
 
-	/* Only 2F revision and it's successors support CPUFreq */
+	/* Only 2F revision and its successors support CPUFreq */
 	if ((c->processor_id & PRID_REV_MASK) >= PRID_REV_LOONGSON2F)
 		return platform_device_register(&loongson2_cpufreq_device);
 
diff --git a/arch/mips/loongson2ef/common/pm.c b/arch/mips/loongson2ef/common/pm.c
index 11f4cfd581fb..bcb7ae9777cf 100644
--- a/arch/mips/loongson2ef/common/pm.c
+++ b/arch/mips/loongson2ef/common/pm.c
@@ -91,7 +91,7 @@ static inline void stop_perf_counters(void)
 
 static void loongson_suspend_enter(void)
 {
-	static unsigned int cached_cpu_freq;
+	unsigned int cached_cpu_freq;
 
 	/* setup wakeup events via enabling the IRQs */
 	setup_wakeup_events();
diff --git a/arch/mips/loongson2ef/common/reset.c b/arch/mips/loongson2ef/common/reset.c
index e7c87161ce00..e49c40646995 100644
--- a/arch/mips/loongson2ef/common/reset.c
+++ b/arch/mips/loongson2ef/common/reset.c
@@ -17,11 +17,11 @@
 static inline void loongson_reboot(void)
 {
 #ifndef CONFIG_CPU_JUMP_WORKAROUNDS
-	((void (*)(void))ioremap_nocache(LOONGSON_BOOT_BASE, 4)) ();
+	((void (*)(void))ioremap(LOONGSON_BOOT_BASE, 4)) ();
 #else
 	void (*func)(void);
 
-	func = (void *)ioremap_nocache(LOONGSON_BOOT_BASE, 4);
+	func = (void *)ioremap(LOONGSON_BOOT_BASE, 4);
 
 	__asm__ __volatile__(
 	"	.set	noat						\n"