Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/gi…

…t/kyle/parisc-2.6

* 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/kyle/parisc-2.6:
  [PARISC] make ptr_to_pide() static
  [PARISC] head.S: section mismatch fixes
  [PARISC] add back Crestone Peak cpu
  [PARISC] futex: special case cmpxchg NULL in kernel space
  [PARISC] clean up show_stack
  [PARISC] add pa8900 CPUs to hardware inventory
  [PARISC] clean up include/asm-parisc/elf.h
  [PARISC] move defconfig to arch/parisc/configs/
  [PARISC] add back AD1889 MAINTAINERS entry
  [PARISC] pdc_console: fix bizarre panic on boot
  [PARISC] dump_stack in show_regs
  [PARISC] pdc_stable: fix compile errors
  [PARISC] remove unused pdc_iodc_printf function
  [PARISC] bump __NR_syscalls
  [PARISC] unbreak pgalloc.h
  [PARISC] move VMALLOC_* definitions to fixmap.h
  [PARISC] wire up timerfd syscalls
  [PARISC] remove old timerfd syscall

MAINTAINERS

@@ -266,6 +266,15 @@ L:      linux-acpi@vger.kernel.org
 W:      http://www.lesswatts.org/projects/acpi/
 S:      Maintained
 
+AD1889 ALSA SOUND DRIVER
+P:     Kyle McMartin
+M:     kyle@parisc-linux.org
+P:     Thibaut Varene
+M:     T-Bone@parisc-linux.org
+W:     http://wiki.parisc-linux.org/AD1889
+L:     linux-parisc@vger.kernel.org
+S:     Maintained
+
 ADM1025 HARDWARE MONITOR DRIVER
 P:	Jean Delvare
 M:	khali@linux-fr.org

arch/parisc/Makefile

@@ -16,6 +16,9 @@
 # Modified for PA-RISC Linux by Paul Lahaie, Alex deVries, 
 # Mike Shaver, Helge Deller and Martin K. Petersen
 #
+
+KBUILD_DEFCONFIG := default_defconfig
+
 NM		= sh $(srctree)/arch/parisc/nm
 CHECKFLAGS	+= -D__hppa__=1
 

arch/parisc/kernel/firmware.c

@@ -1080,6 +1080,9 @@ void pdc_io_reset_devices(void)
 	spin_unlock_irqrestore(&pdc_lock, flags);
 }
 
+/* locked by pdc_console_lock */
+static int __attribute__((aligned(8)))   iodc_retbuf[32];
+static char __attribute__((aligned(64))) iodc_dbuf[4096];
 
 /**
  * pdc_iodc_print - Console print using IODC.
@@ -1091,24 +1094,20 @@ void pdc_io_reset_devices(void)
  * Since the HP console requires CR+LF to perform a 'newline', we translate
  * "\n" to "\r\n".
  */
-int pdc_iodc_print(unsigned char *str, unsigned count)
+int pdc_iodc_print(const unsigned char *str, unsigned count)
 {
-	/* XXX Should we spinlock posx usage */
 	static int posx;        /* for simple TAB-Simulation... */
-	int __attribute__((aligned(8)))   iodc_retbuf[32];
-	char __attribute__((aligned(64))) iodc_dbuf[4096];
 	unsigned int i;
 	unsigned long flags;
 
-	memset(iodc_dbuf, 0, 4096);
-	for (i = 0; i < count && i < 2048;) {
+	for (i = 0; i < count && i < 79;) {
 		switch(str[i]) {
 		case '\n':
 			iodc_dbuf[i+0] = '\r';
 			iodc_dbuf[i+1] = '\n';
 			i += 2;
 			posx = 0;
-			break;
+			goto print;
 		case '\t':
 			while (posx & 7) {
 				iodc_dbuf[i] = ' ';
@@ -1124,6 +1123,16 @@ int pdc_iodc_print(unsigned char *str, unsigned count)
 		}
 	}
 
+	/* if we're at the end of line, and not already inserting a newline,
+	 * insert one anyway. iodc console doesn't claim to support >79 char
+	 * lines. don't account for this in the return value.
+	 */
+	if (i == 79 && iodc_dbuf[i-1] != '\n') {
+		iodc_dbuf[i+0] = '\r';
+		iodc_dbuf[i+1] = '\n';
+	}
+
+print:
         spin_lock_irqsave(&pdc_lock, flags);
         real32_call(PAGE0->mem_cons.iodc_io,
                     (unsigned long)PAGE0->mem_cons.hpa, ENTRY_IO_COUT,
@@ -1142,11 +1151,9 @@ int pdc_iodc_print(unsigned char *str, unsigned count)
  */
 int pdc_iodc_getc(void)
 {
-	unsigned long flags;
-        static int __attribute__((aligned(8)))   iodc_retbuf[32];
-        static char __attribute__((aligned(64))) iodc_dbuf[4096];
 	int ch;
 	int status;
+	unsigned long flags;
 
 	/* Bail if no console input device. */
 	if (!PAGE0->mem_kbd.iodc_io)

arch/parisc/kernel/hardware.c

@@ -274,7 +274,18 @@ static struct hp_hardware hp_hardware_list[] __devinitdata = {
 	{HPHW_NPROC,0x887,0x4,0x91,"Storm Peak Slow"},
 	{HPHW_NPROC,0x888,0x4,0x91,"Storm Peak Fast DC-"},
 	{HPHW_NPROC,0x889,0x4,0x91,"Storm Peak Fast"},
-	{HPHW_NPROC,0x88A,0x4,0x91,"Crestone Peak"},
+	{HPHW_NPROC,0x88A,0x4,0x91,"Crestone Peak Slow"},
+	{HPHW_NPROC,0x88C,0x4,0x91,"Orca Mako+"},
+	{HPHW_NPROC,0x88D,0x4,0x91,"Rainier/Medel Mako+ Slow"},
+	{HPHW_NPROC,0x88E,0x4,0x91,"Rainier/Medel Mako+ Fast"},
+	{HPHW_NPROC,0x894,0x4,0x91,"Mt. Hamilton Fast Mako+"},
+	{HPHW_NPROC,0x895,0x4,0x91,"Storm Peak Slow Mako+"},
+	{HPHW_NPROC,0x896,0x4,0x91,"Storm Peak Fast Mako+"},
+	{HPHW_NPROC,0x897,0x4,0x91,"Storm Peak DC- Slow Mako+"},
+	{HPHW_NPROC,0x898,0x4,0x91,"Storm Peak DC- Fast Mako+"},
+	{HPHW_NPROC,0x899,0x4,0x91,"Mt. Hamilton Slow Mako+"},
+	{HPHW_NPROC,0x89B,0x4,0x91,"Crestone Peak Mako+ Slow"},
+	{HPHW_NPROC,0x89C,0x4,0x91,"Crestone Peak Mako+ Fast"},
 	{HPHW_A_DIRECT, 0x004, 0x0000D, 0x00, "Arrakis MUX"}, 
 	{HPHW_A_DIRECT, 0x005, 0x0000D, 0x00, "Dyun Kiuh MUX"}, 
 	{HPHW_A_DIRECT, 0x006, 0x0000D, 0x00, "Baat Kiuh AP/MUX (40299B)"}, 

arch/parisc/kernel/head.S

@@ -20,18 +20,19 @@
 #include <asm/pgtable.h>
 
 #include <linux/linkage.h>
+#include <linux/init.h>
 
 	.level	LEVEL
 
-	.data
+	__INITDATA
 ENTRY(boot_args)
 	.word 0 /* arg0 */
 	.word 0 /* arg1 */
 	.word 0 /* arg2 */
 	.word 0 /* arg3 */
 END(boot_args)
 
-	.text
+	.section .text.head
 	.align	4
 	.import init_thread_union,data
 	.import fault_vector_20,code    /* IVA parisc 2.0 32 bit */
@@ -343,7 +344,7 @@ smp_slave_stext:
 ENDPROC(stext)
 
 #ifndef CONFIG_64BIT
-	.data
+	.section .data.read_mostly
 
 	.align	4
 	.export	$global$,data

arch/parisc/kernel/pdc_cons.c

@@ -52,28 +52,30 @@
 #include <linux/tty.h>
 #include <asm/pdc.h>		/* for iodc_call() proto and friends */
 
+static spinlock_t pdc_console_lock = SPIN_LOCK_UNLOCKED;
 
 static void pdc_console_write(struct console *co, const char *s, unsigned count)
 {
-	pdc_iodc_print(s, count);
+	int i = 0;
+	unsigned long flags;
+
+	spin_lock_irqsave(&pdc_console_lock, flags);
+	do {
+		i += pdc_iodc_print(s + i, count - i);
+	} while (i < count);
+	spin_unlock_irqrestore(&pdc_console_lock, flags);
 }
 
-void pdc_printf(const char *fmt, ...)
+int pdc_console_poll_key(struct console *co)
 {
-	va_list args;
-	char buf[1024];
-	int i, len;
-
-	va_start(args, fmt);
-	len = vscnprintf(buf, sizeof(buf), fmt, args);
-	va_end(args);
+	int c;
+	unsigned long flags;
 
-	pdc_iodc_print(buf, len);
-}
+	spin_lock_irqsave(&pdc_console_lock, flags);
+	c = pdc_iodc_getc();
+	spin_unlock_irqrestore(&pdc_console_lock, flags);
 
-int pdc_console_poll_key(struct console *co)
-{
-	return pdc_iodc_getc();
+	return c;
 }
 
 static int pdc_console_setup(struct console *co, char *options)

arch/parisc/kernel/syscall_table.S

@@ -401,9 +401,12 @@
 	ENTRY_COMP(kexec_load)		/* 300 */
 	ENTRY_COMP(utimensat)
 	ENTRY_COMP(signalfd)
-	ENTRY_COMP(timerfd)
+	ENTRY_SAME(ni_syscall)		/* was timerfd */
 	ENTRY_SAME(eventfd)
 	ENTRY_COMP(fallocate)		/* 305 */
+	ENTRY_SAME(timerfd_create)
+	ENTRY_COMP(timerfd_settime)
+	ENTRY_COMP(timerfd_gettime)
 
 	/* Nothing yet */
 

arch/parisc/kernel/traps.c

@@ -51,6 +51,9 @@
 DEFINE_SPINLOCK(pa_dbit_lock);
 #endif
 
+void parisc_show_stack(struct task_struct *t, unsigned long *sp,
+	struct pt_regs *regs);
+
 static int printbinary(char *buf, unsigned long x, int nbits)
 {
 	unsigned long mask = 1UL << (nbits - 1);
@@ -148,6 +151,8 @@ void show_regs(struct pt_regs *regs)
 	print_symbol(" IAOQ[1]: %s\n", regs->iaoq[1]);
 	printk(level);
 	print_symbol(" RP(r2): %s\n", regs->gr[2]);
+
+	parisc_show_stack(current, NULL, regs);
 }
 
 
@@ -181,11 +186,19 @@ static void do_show_stack(struct unwind_frame_info *info)
 	printk("\n");
 }
 
-void show_stack(struct task_struct *task, unsigned long *s)
+void parisc_show_stack(struct task_struct *task, unsigned long *sp,
+	struct pt_regs *regs)
 {
 	struct unwind_frame_info info;
+	struct task_struct *t;
+
+	t = task ? task : current;
+	if (regs) {
+		unwind_frame_init(&info, t, regs);
+		goto show_stack;
+	}
 
-	if (!task) {
+	if (t == current) {
 		unsigned long sp;
 
 HERE:
@@ -201,12 +214,18 @@ void show_stack(struct task_struct *task, unsigned long *s)
 			unwind_frame_init(&info, current, &r);
 		}
 	} else {
-		unwind_frame_init_from_blocked_task(&info, task);
+		unwind_frame_init_from_blocked_task(&info, t);
 	}
 
+show_stack:
 	do_show_stack(&info);
 }
 
+void show_stack(struct task_struct *t, unsigned long *sp)
+{
+	return parisc_show_stack(t, sp, NULL);
+}
+
 int is_valid_bugaddr(unsigned long iaoq)
 {
 	return 1;

drivers/parisc/pdc_stable.c

@@ -829,7 +829,7 @@ static ssize_t pdcs_autoboot_write(struct kobject *kobj,
 				   struct kobj_attribute *attr,
 				   const char *buf, size_t count)
 {
-	return pdcs_auto_write(kset, attr, buf, count, PF_AUTOBOOT);
+	return pdcs_auto_write(kobj, attr, buf, count, PF_AUTOBOOT);
 }
 
 /**
@@ -845,7 +845,7 @@ static ssize_t pdcs_autosearch_write(struct kobject *kobj,
 				     struct kobj_attribute *attr,
 				     const char *buf, size_t count)
 {
-	return pdcs_auto_write(kset, attr, buf, count, PF_AUTOSEARCH);
+	return pdcs_auto_write(kobj, attr, buf, count, PF_AUTOSEARCH);
 }
 
 /**
@@ -1066,7 +1066,7 @@ pdc_stable_init(void)
 	}
 
 	/* Don't forget the root entries */
-	error = sysfs_create_group(stable_kobj, pdcs_attr_group);
+	error = sysfs_create_group(stable_kobj, &pdcs_attr_group);
 
 	/* register the paths kset as a child of the stable kset */
 	paths_kset = kset_create_and_add("paths", NULL, stable_kobj);

drivers/parisc/sba_iommu.c

@@ -314,8 +314,8 @@ sba_dump_sg( struct ioc *ioc, struct scatterlist *startsg, int nents)
 #define RESMAP_MASK(n)    (~0UL << (BITS_PER_LONG - (n)))
 #define RESMAP_IDX_MASK   (sizeof(unsigned long) - 1)
 
-unsigned long ptr_to_pide(struct ioc *ioc, unsigned long *res_ptr,
-			  unsigned int bitshiftcnt)
+static unsigned long ptr_to_pide(struct ioc *ioc, unsigned long *res_ptr,
+				 unsigned int bitshiftcnt)
 {
 	return (((unsigned long)res_ptr - (unsigned long)ioc->res_map) << 3)
 		+ bitshiftcnt;

include/asm-parisc/elf.h

@@ -204,7 +204,7 @@ typedef struct elf64_fdesc {
 /*
  * The following definitions are those for 32-bit ELF binaries on a 32-bit
  * kernel and for 64-bit binaries on a 64-bit kernel.  To run 32-bit binaries
- * on a 64-bit kernel, arch/parisc64/kernel/binfmt_elf32.c defines these
+ * on a 64-bit kernel, arch/parisc/kernel/binfmt_elf32.c defines these
  * macros appropriately and then #includes binfmt_elf.c, which then includes
  * this file.
  */
@@ -216,26 +216,25 @@ typedef struct elf64_fdesc {
  * Note that this header file is used by default in fs/binfmt_elf.c. So
  * the following macros are for the default case. However, for the 64
  * bit kernel we also support 32 bit parisc binaries. To do that
- * arch/parisc64/kernel/binfmt_elf32.c defines its own set of these
+ * arch/parisc/kernel/binfmt_elf32.c defines its own set of these
  * macros, and then it includes fs/binfmt_elf.c to provide an alternate
  * elf binary handler for 32 bit binaries (on the 64 bit kernel).
  */
 #ifdef CONFIG_64BIT
-#define ELF_CLASS       ELFCLASS64
+#define ELF_CLASS   ELFCLASS64
 #else
 #define ELF_CLASS	ELFCLASS32
 #endif
 
 typedef unsigned long elf_greg_t;
 
-/* This yields a string that ld.so will use to load implementation
-   specific libraries for optimization.  This is more specific in
-   intent than poking at uname or /proc/cpuinfo.
-
-   For the moment, we have only optimizations for the Intel generations,
-   but that could change... */
+/*
+ * This yields a string that ld.so will use to load implementation
+ * specific libraries for optimization.  This is more specific in
+ * intent than poking at uname or /proc/cpuinfo.
+ */
 
-#define ELF_PLATFORM  ("PARISC\0" /*+((boot_cpu_data.x86-3)*5) */)
+#define ELF_PLATFORM  ("PARISC\0")
 
 #define SET_PERSONALITY(ex, ibcs2) \
 	current->personality = PER_LINUX; \
@@ -310,7 +309,7 @@ struct pt_regs;	/* forward declaration... */
 #define ELF_OSABI 	ELFOSABI_LINUX
 
 /* %r23 is set by ld.so to a pointer to a function which might be 
-   registered using atexit.  This provides a mean for the dynamic
+   registered using atexit.  This provides a means for the dynamic
    linker to call DT_FINI functions for shared libraries that have
    been loaded before the code runs.
 
@@ -339,6 +338,5 @@ struct pt_regs;	/* forward declaration... */
    but it's not easy, and we've already done it here.  */
 
 #define ELF_HWCAP	0
-/* (boot_cpu_data.x86_capability) */
 
 #endif

include/asm-parisc/fixmap.h

@@ -20,4 +20,11 @@
 #define KERNEL_MAP_START	(GATEWAY_PAGE_SIZE)
 #define KERNEL_MAP_END		(TMPALIAS_MAP_START)
 
-#endif
+#ifndef __ASSEMBLY__
+extern void *vmalloc_start;
+#define PCXL_DMA_MAP_SIZE	(8*1024*1024)
+#define VMALLOC_START		((unsigned long)vmalloc_start)
+#define VMALLOC_END		(KERNEL_MAP_END)
+#endif /*__ASSEMBLY__*/
+
+#endif /*_ASM_FIXMAP_H*/

include/asm-parisc/futex.h

@@ -56,6 +56,12 @@ futex_atomic_cmpxchg_inatomic(int __user *uaddr, int oldval, int newval)
 	int err = 0;
 	int uval;
 
+	/* futex.c wants to do a cmpxchg_inatomic on kernel NULL, which is
+	 * our gateway page, and causes no end of trouble...
+	 */
+	if (segment_eq(KERNEL_DS, get_fs()) && !uaddr)
+		return -EFAULT;
+
 	if (!access_ok(VERIFY_WRITE, uaddr, sizeof(int)))
 		return -EFAULT;
 
@@ -67,5 +73,5 @@ futex_atomic_cmpxchg_inatomic(int __user *uaddr, int oldval, int newval)
 	return uval;
 }
 
-#endif
-#endif
+#endif /*__KERNEL__*/
+#endif /*_ASM_PARISC_FUTEX_H*/