Merge branch 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-…

…linus

* 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus:
  [MIPS] Ignore vmlinux.lds generated files
  [MIPS] kgdb: Do not call fixup_exception
  [MIPS] RB532: Do not define registers that are already defined
  [MIPS] IP27: Export symbol pcibus_to_node to modules.
  [MIPS] kgdb: s/(void *)0)/NULL/
  [MIPS] kgdb: smp_call_function's 3rd argument is a pointer.
  [MIPS] TXx9: Fix mips_hpt_frequency initialization
  [MIPS] emma2rh: Fix build error by header file inclusion weeding.
  [MIPS] Jazz: Fix build error by header file inclusion weeding.
  [MIPS] Wire up new syscalls.
  [MIPS] Convert printk statements during kernel setup to use severity levels

arch/mips/emma2rh/markeins/setup.c

@@ -25,23 +25,9 @@
 #include <linux/init.h>
 #include <linux/kernel.h>
 #include <linux/types.h>
-#include <linux/initrd.h>
-#include <linux/irq.h>
-#include <linux/ioport.h>
-#include <linux/param.h>	/* for HZ */
-#include <linux/root_dev.h>
-#include <linux/serial.h>
-#include <linux/serial_core.h>
-
-#include <asm/cpu.h>
-#include <asm/bootinfo.h>
-#include <asm/addrspace.h>
+
 #include <asm/time.h>
-#include <asm/bcache.h>
-#include <asm/irq.h>
 #include <asm/reboot.h>
-#include <asm/traps.h>
-#include <asm/debug.h>
 
 #include <asm/emma2rh/emma2rh.h>
 

arch/mips/jazz/setup.c

@@ -5,33 +5,22 @@
  * License.  See the file "COPYING" in the main directory of this archive
  * for more details.
  *
- * Copyright (C) 1996, 1997, 1998, 2001, 07 by Ralf Baechle
+ * Copyright (C) 1996, 1997, 1998, 2001, 07, 08 by Ralf Baechle
  * Copyright (C) 2001 MIPS Technologies, Inc.
  * Copyright (C) 2007 by Thomas Bogendoerfer
  */
 #include <linux/eisa.h>
 #include <linux/init.h>
 #include <linux/ioport.h>
-#include <linux/sched.h>
-#include <linux/interrupt.h>
-#include <linux/mm.h>
 #include <linux/console.h>
-#include <linux/fb.h>
-#include <linux/pm.h>
 #include <linux/screen_info.h>
 #include <linux/platform_device.h>
 #include <linux/serial_8250.h>
 
-#include <asm/bootinfo.h>
-#include <asm/irq.h>
 #include <asm/jazz.h>
 #include <asm/jazzdma.h>
 #include <asm/reboot.h>
-#include <asm/io.h>
 #include <asm/pgtable.h>
-#include <asm/time.h>
-#include <asm/traps.h>
-#include <asm/mc146818-time.h>
 
 extern asmlinkage void jazz_handle_int(void);
 

arch/mips/kernel/.gitignore

@@ -0,0 +1 @@
+vmlinux.lds

arch/mips/kernel/kgdb.c

@@ -62,13 +62,13 @@ void arch_kgdb_breakpoint(void)
 
 static void kgdb_call_nmi_hook(void *ignored)
 {
-	kgdb_nmicallback(raw_smp_processor_id(), (void *)0);
+	kgdb_nmicallback(raw_smp_processor_id(), NULL);
 }
 
 void kgdb_roundup_cpus(unsigned long flags)
 {
 	local_irq_enable();
-	smp_call_function(kgdb_call_nmi_hook, NULL, NULL);
+	smp_call_function(kgdb_call_nmi_hook, NULL, 0);
 	local_irq_disable();
 }
 
@@ -190,9 +190,6 @@ static int kgdb_mips_notify(struct notifier_block *self, unsigned long cmd,
 	struct pt_regs *regs = args->regs;
 	int trap = (regs->cp0_cause & 0x7c) >> 2;
 
-	if (fixup_exception(regs))
-		return NOTIFY_DONE;
-
 	/* Userpace events, ignore. */
 	if (user_mode(regs))
 		return NOTIFY_DONE;

arch/mips/kernel/scall32-o32.S

@@ -647,6 +647,12 @@ einval:	li	v0, -EINVAL
 	sys	sys_timerfd_create	2
 	sys	sys_timerfd_gettime	2
 	sys	sys_timerfd_settime	4
+	sys	sys_signalfd4		4
+	sys	sys_eventfd2		2	/* 4325 */
+	sys	sys_epoll_create1	1
+	sys	sys_dup3		3
+	sys	sys_pipe2		2
+	sys	sys_inotify_init1	1
 	.endm
 
 	/* We pre-compute the number of _instruction_ bytes needed to

arch/mips/kernel/scall64-64.S

@@ -481,4 +481,10 @@ sys_call_table:
 	PTR	sys_timerfd_create		/* 5280 */
 	PTR	sys_timerfd_gettime
 	PTR	sys_timerfd_settime
+	PTR	sys_signalfd4
+	PTR	sys_eventfd2
+	PTR	sys_epoll_create1		/* 5285 */
+	PTR	sys_dup3
+	PTR	sys_pipe2
+	PTR	sys_inotify_init1
 	.size	sys_call_table,.-sys_call_table

arch/mips/kernel/scall64-n32.S

@@ -407,4 +407,10 @@ EXPORT(sysn32_call_table)
 	PTR	sys_timerfd_create
 	PTR	sys_timerfd_gettime		/* 5285 */
 	PTR	sys_timerfd_settime
+	PTR	sys_signalfd4
+	PTR	sys_eventfd2
+	PTR	sys_epoll_create1
+	PTR	sys_dup3			/* 5290 */
+	PTR	sys_pipe2
+	PTR	sys_inotify_init1
 	.size	sysn32_call_table,.-sysn32_call_table

arch/mips/kernel/scall64-o32.S

@@ -529,4 +529,10 @@ sys_call_table:
 	PTR	sys_timerfd_create
 	PTR	sys_timerfd_gettime
 	PTR	sys_timerfd_settime
+	PTR	compat_sys_signalfd4
+	PTR	sys_eventfd2			/* 4325 */
+	PTR	sys_epoll_create1
+	PTR	sys_dup3
+	PTR	sys_pipe2
+	PTR	sys_inotify_init1
 	.size	sys_call_table,.-sys_call_table

arch/mips/kernel/setup.c

@@ -78,7 +78,7 @@ void __init add_memory_region(phys_t start, phys_t size, long type)
 
 	/* Sanity check */
 	if (start + size < start) {
-		printk("Trying to add an invalid memory region, skipped\n");
+		pr_warning("Trying to add an invalid memory region, skipped\n");
 		return;
 	}
 
@@ -92,7 +92,7 @@ void __init add_memory_region(phys_t start, phys_t size, long type)
 	}
 
 	if (x == BOOT_MEM_MAP_MAX) {
-		printk("Ooops! Too many entries in the memory map!\n");
+		pr_err("Ooops! Too many entries in the memory map!\n");
 		return;
 	}
 
@@ -108,22 +108,22 @@ static void __init print_memory_map(void)
 	const int field = 2 * sizeof(unsigned long);
 
 	for (i = 0; i < boot_mem_map.nr_map; i++) {
-		printk(" memory: %0*Lx @ %0*Lx ",
+		printk(KERN_INFO " memory: %0*Lx @ %0*Lx ",
 		       field, (unsigned long long) boot_mem_map.map[i].size,
 		       field, (unsigned long long) boot_mem_map.map[i].addr);
 
 		switch (boot_mem_map.map[i].type) {
 		case BOOT_MEM_RAM:
-			printk("(usable)\n");
+			printk(KERN_CONT "(usable)\n");
 			break;
 		case BOOT_MEM_ROM_DATA:
-			printk("(ROM data)\n");
+			printk(KERN_CONT "(ROM data)\n");
 			break;
 		case BOOT_MEM_RESERVED:
-			printk("(reserved)\n");
+			printk(KERN_CONT "(reserved)\n");
 			break;
 		default:
-			printk("type %lu\n", boot_mem_map.map[i].type);
+			printk(KERN_CONT "type %lu\n", boot_mem_map.map[i].type);
 			break;
 		}
 	}
@@ -185,11 +185,11 @@ static unsigned long __init init_initrd(void)
 
 sanitize:
 	if (initrd_start & ~PAGE_MASK) {
-		printk(KERN_ERR "initrd start must be page aligned\n");
+		pr_err("initrd start must be page aligned\n");
 		goto disable;
 	}
 	if (initrd_start < PAGE_OFFSET) {
-		printk(KERN_ERR "initrd start < PAGE_OFFSET\n");
+		pr_err("initrd start < PAGE_OFFSET\n");
 		goto disable;
 	}
 
@@ -221,18 +221,18 @@ static void __init finalize_initrd(void)
 		goto disable;
 	}
 	if (__pa(initrd_end) > PFN_PHYS(max_low_pfn)) {
-		printk("Initrd extends beyond end of memory");
+		printk(KERN_ERR "Initrd extends beyond end of memory");
 		goto disable;
 	}
 
 	reserve_bootmem(__pa(initrd_start), size, BOOTMEM_DEFAULT);
 	initrd_below_start_ok = 1;
 
-	printk(KERN_INFO "Initial ramdisk at: 0x%lx (%lu bytes)\n",
-	       initrd_start, size);
+	pr_info("Initial ramdisk at: 0x%lx (%lu bytes)\n",
+		initrd_start, size);
 	return;
 disable:
-	printk(" - disabling initrd\n");
+	printk(KERN_CONT " - disabling initrd\n");
 	initrd_start = 0;
 	initrd_end = 0;
 }
@@ -310,14 +310,12 @@ static void __init bootmem_init(void)
 	if (min_low_pfn >= max_low_pfn)
 		panic("Incorrect memory mapping !!!");
 	if (min_low_pfn > ARCH_PFN_OFFSET) {
-		printk(KERN_INFO
-		       "Wasting %lu bytes for tracking %lu unused pages\n",
-		       (min_low_pfn - ARCH_PFN_OFFSET) * sizeof(struct page),
-		       min_low_pfn - ARCH_PFN_OFFSET);
+		pr_info("Wasting %lu bytes for tracking %lu unused pages\n",
+			(min_low_pfn - ARCH_PFN_OFFSET) * sizeof(struct page),
+			min_low_pfn - ARCH_PFN_OFFSET);
 	} else if (min_low_pfn < ARCH_PFN_OFFSET) {
-		printk(KERN_INFO
-		       "%lu free pages won't be used\n",
-		       ARCH_PFN_OFFSET - min_low_pfn);
+		pr_info("%lu free pages won't be used\n",
+			ARCH_PFN_OFFSET - min_low_pfn);
 	}
 	min_low_pfn = ARCH_PFN_OFFSET;
 
@@ -471,7 +469,7 @@ static void __init arch_mem_init(char **cmdline_p)
 	/* call board setup routine */
 	plat_mem_setup();
 
-	printk("Determined physical RAM map:\n");
+	pr_info("Determined physical RAM map:\n");
 	print_memory_map();
 
 	strlcpy(command_line, arcs_cmdline, sizeof(command_line));
@@ -482,7 +480,7 @@ static void __init arch_mem_init(char **cmdline_p)
 	parse_early_param();
 
 	if (usermem) {
-		printk("User-defined physical RAM map:\n");
+		pr_info("User-defined physical RAM map:\n");
 		print_memory_map();
 	}
 

arch/mips/pci/pci-ip27.c

@@ -205,6 +205,7 @@ int pcibus_to_node(struct pci_bus *bus)
 
 	return bc->nasid;
 }
+EXPORT_SYMBOL(pcibus_to_node);
 
 DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_SGI, PCI_DEVICE_ID_SGI_IOC3,
 	pci_fixup_ioc3);

arch/mips/rb532/devices.c

@@ -49,8 +49,6 @@
 #define GPIO_ALE (1 << 0x0a)
 #define GPIO_CLE (1 << 0x0b)
 
-extern char *board_type;
-
 static struct resource korina_dev0_res[] = {
 	{
 		.name = "korina_regs",
@@ -265,14 +263,6 @@ static void __init parse_mac_addr(char *macstr)
 }
 
 
-/* DEVICE CONTROLLER 1 */
-#define CFG_DC_DEV1 	((void *)0xb8010010)
-#define CFG_DC_DEV2 	((void *)0xb8010020)
-#define CFG_DC_DEVBASE    0x0
-#define CFG_DC_DEVMASK    0x4
-#define CFG_DC_DEVC       0x8
-#define CFG_DC_DEVTC      0xC
-
 /* NAND definitions */
 #define NAND_CHIP_DELAY	25
 
@@ -301,16 +291,16 @@ static void __init rb532_nand_setup(void)
 static int __init plat_setup_devices(void)
 {
 	/* Look for the CF card reader */
-	if (!readl(CFG_DC_DEV1 + CFG_DC_DEVMASK))
+	if (!readl(IDT434_REG_BASE + DEV1MASK))
 		rb532_devs[1] = NULL;
 	else {
 		cf_slot0_res[0].start =
-		    readl(CFG_DC_DEV1 + CFG_DC_DEVBASE);
+		    readl(IDT434_REG_BASE + DEV1BASE);
 		cf_slot0_res[0].end = cf_slot0_res[0].start + 0x1000;
 	}
 
 	/* Read the NAND resources from the device controller */
-	nand_slot0_res[0].start = readl(CFG_DC_DEV2 + CFG_DC_DEVBASE);
+	nand_slot0_res[0].start = readl(IDT434_REG_BASE + DEV2BASE);
 	nand_slot0_res[0].end = nand_slot0_res[0].start + 0x1000;
 
 	/* Initialise the NAND device */

arch/mips/txx9/generic/setup.c

@@ -328,6 +328,9 @@ void __init arch_init_irq(void)
 
 void __init plat_time_init(void)
 {
+#ifdef CONFIG_CPU_TX49XX
+	mips_hpt_frequency = txx9_cpu_clock / 2;
+#endif
 	txx9_board_vec->time_init();
 }
 

include/asm-mips/unistd.h

@@ -344,16 +344,22 @@
 #define __NR_timerfd_create		(__NR_Linux + 321)
 #define __NR_timerfd_gettime		(__NR_Linux + 322)
 #define __NR_timerfd_settime		(__NR_Linux + 323)
+#define __NR_signalfd4			(__NR_Linux + 324)
+#define __NR_eventfd2			(__NR_Linux + 325)
+#define __NR_epoll_create1		(__NR_Linux + 326)
+#define __NR_dup3			(__NR_Linux + 327)
+#define __NR_pipe2			(__NR_Linux + 328)
+#define __NR_inotify_init1		(__NR_Linux + 329)
 
 /*
  * Offset of the last Linux o32 flavoured syscall
  */
-#define __NR_Linux_syscalls		323
+#define __NR_Linux_syscalls		329
 
 #endif /* _MIPS_SIM == _MIPS_SIM_ABI32 */
 
 #define __NR_O32_Linux			4000
-#define __NR_O32_Linux_syscalls		323
+#define __NR_O32_Linux_syscalls		329
 
 #if _MIPS_SIM == _MIPS_SIM_ABI64
 
@@ -644,16 +650,22 @@
 #define __NR_timerfd_create		(__NR_Linux + 280)
 #define __NR_timerfd_gettime		(__NR_Linux + 281)
 #define __NR_timerfd_settime		(__NR_Linux + 282)
+#define __NR_signalfd4			(__NR_Linux + 283)
+#define __NR_eventfd2			(__NR_Linux + 284)
+#define __NR_epoll_create1		(__NR_Linux + 285)
+#define __NR_dup3			(__NR_Linux + 286)
+#define __NR_pipe2			(__NR_Linux + 287)
+#define __NR_inotify_init1		(__NR_Linux + 288)
 
 /*
  * Offset of the last Linux 64-bit flavoured syscall
  */
-#define __NR_Linux_syscalls		282
+#define __NR_Linux_syscalls		288
 
 #endif /* _MIPS_SIM == _MIPS_SIM_ABI64 */
 
 #define __NR_64_Linux			5000
-#define __NR_64_Linux_syscalls		282
+#define __NR_64_Linux_syscalls		288
 
 #if _MIPS_SIM == _MIPS_SIM_NABI32
 
@@ -948,16 +960,22 @@
 #define __NR_timerfd_create		(__NR_Linux + 284)
 #define __NR_timerfd_gettime		(__NR_Linux + 285)
 #define __NR_timerfd_settime		(__NR_Linux + 286)
+#define __NR_signalfd4			(__NR_Linux + 287)
+#define __NR_eventfd2			(__NR_Linux + 288)
+#define __NR_epoll_create1		(__NR_Linux + 289)
+#define __NR_dup3			(__NR_Linux + 290)
+#define __NR_pipe2			(__NR_Linux + 291)
+#define __NR_inotify_init1		(__NR_Linux + 292)
 
 /*
  * Offset of the last N32 flavoured syscall
  */
-#define __NR_Linux_syscalls		286
+#define __NR_Linux_syscalls		292
 
 #endif /* _MIPS_SIM == _MIPS_SIM_NABI32 */
 
 #define __NR_N32_Linux			6000
-#define __NR_N32_Linux_syscalls		286
+#define __NR_N32_Linux_syscalls		292
 
 #ifdef __KERNEL__