Merge branch 'merge'

5 files changed, 76 insertions, 5 deletions

diff --git a/arch/powerpc/kernel/prom_init.c b/arch/powerpc/kernel/prom_init.c
index 12fbdbb2d54a..5908690d0868 100644
--- a/arch/powerpc/kernel/prom_init.c
+++ b/arch/powerpc/kernel/prom_init.c
@@ -1975,10 +1975,45 @@ static void __init flatten_device_tree(void)
 
 }
 
-
-static void __init fixup_device_tree(void)
+#ifdef CONFIG_PPC_MAPLE
+/* PIBS Version 1.05.0000 04/26/2005 has an incorrect /ht/isa/ranges property.
+ * The values are bad, and it doesn't even have the right number of cells. */
+static void __init fixup_device_tree_maple(void)
 {
+	phandle isa;
+	u32 isa_ranges[6];
+
+	isa = call_prom("finddevice", 1, 1, ADDR("/ht@0/isa@4"));
+	if (!PHANDLE_VALID(isa))
+		return;
+
+	if (prom_getprop(isa, "ranges", isa_ranges, sizeof(isa_ranges))
+		== PROM_ERROR)
+		return;
+
+	if (isa_ranges[0] != 0x1 ||
+		isa_ranges[1] != 0xf4000000 ||
+		isa_ranges[2] != 0x00010000)
+		return;
+
+	prom_printf("fixing up bogus ISA range on Maple...\n");
+
+	isa_ranges[0] = 0x1;
+	isa_ranges[1] = 0x0;
+	isa_ranges[2] = 0x01002000; /* IO space; PCI device = 4 */
+	isa_ranges[3] = 0x0;
+	isa_ranges[4] = 0x0;
+	isa_ranges[5] = 0x00010000;
+	prom_setprop(isa, "/ht@0/isa@4", "ranges",
+			isa_ranges, sizeof(isa_ranges));
+}
+#else
+#define fixup_device_tree_maple()
+#endif
+
 #if defined(CONFIG_PPC64) && defined(CONFIG_PPC_PMAC)
+static void __init fixup_device_tree_pmac(void)
+{
 	phandle u3, i2c, mpic;
 	u32 u3_rev;
 	u32 interrupts[2];
@@ -2015,9 +2050,16 @@ static void __init fixup_device_tree(void)
 	parent = (u32)mpic;
 	prom_setprop(i2c, "/u3@0,f8000000/i2c@f8001000", "interrupt-parent",
 		     &parent, sizeof(parent));
-#endif
 }
+#else
+#define fixup_device_tree_pmac()
+#endif
 
+static void __init fixup_device_tree(void)
+{
+	fixup_device_tree_maple();
+	fixup_device_tree_pmac();
+}
 
 static void __init prom_find_boot_cpu(void)
 {
diff --git a/arch/powerpc/kernel/systbl.S b/arch/powerpc/kernel/systbl.S
index cf56a1d499ff..26ed1f5ef16e 100644
--- a/arch/powerpc/kernel/systbl.S
+++ b/arch/powerpc/kernel/systbl.S
@@ -338,6 +338,8 @@ SYSCALL(symlinkat)
 SYSCALL(readlinkat)
 SYSCALL(fchmodat)
 SYSCALL(faccessat)
+COMPAT_SYS(get_robust_list)
+COMPAT_SYS(set_robust_list)
 
 /*
  * please add new calls to arch/powerpc/platforms/cell/spu_callbacks.c
diff --git a/arch/powerpc/platforms/cell/spu_callbacks.c b/arch/powerpc/platforms/cell/spu_callbacks.c
index 95b36430aa0f..b47fcc5ddb78 100644
--- a/arch/powerpc/platforms/cell/spu_callbacks.c
+++ b/arch/powerpc/platforms/cell/spu_callbacks.c
@@ -258,6 +258,7 @@ void *spu_syscall_table[] = {
 	[__NR_futex]			sys_futex,
 	[__NR_sched_setaffinity]	sys_sched_setaffinity,
 	[__NR_sched_getaffinity]	sys_sched_getaffinity,
+	[224]				sys_ni_syscall,
 	[__NR_tuxcall]			sys_ni_syscall,
 	[226]				sys_ni_syscall,
 	[__NR_io_setup]			sys_io_setup,
@@ -332,19 +333,21 @@ void *spu_syscall_table[] = {
 	[__NR_readlinkat]		sys_readlinkat,
 	[__NR_fchmodat]			sys_fchmodat,
 	[__NR_faccessat]		sys_faccessat,
+	[__NR_get_robust_list]		sys_get_robust_list,
+	[__NR_set_robust_list]		sys_set_robust_list,
 };
 
 long spu_sys_callback(struct spu_syscall_block *s)
 {
 	long (*syscall)(u64 a1, u64 a2, u64 a3, u64 a4, u64 a5, u64 a6);
 
-	syscall = spu_syscall_table[s->nr_ret];
-
 	if (s->nr_ret >= ARRAY_SIZE(spu_syscall_table)) {
 		pr_debug("%s: invalid syscall #%ld", __FUNCTION__, s->nr_ret);
 		return -ENOSYS;
 	}
 
+	syscall = spu_syscall_table[s->nr_ret];
+
 #ifdef DEBUG
 	print_symbol(KERN_DEBUG "SPU-syscall %s:", (unsigned long)syscall);
 	printk("syscall%ld(%lx, %lx, %lx, %lx, %lx, %lx)\n",
diff --git a/arch/powerpc/platforms/powermac/low_i2c.c b/arch/powerpc/platforms/powermac/low_i2c.c
index df2343e1956b..c896ce83d412 100644
--- a/arch/powerpc/platforms/powermac/low_i2c.c
+++ b/arch/powerpc/platforms/powermac/low_i2c.c
@@ -1157,6 +1157,7 @@ EXPORT_SYMBOL_GPL(pmac_i2c_xfer);
 /* some quirks for platform function decoding */
 enum {
 	pmac_i2c_quirk_invmask = 0x00000001u,
+	pmac_i2c_quirk_skip = 0x00000002u,
 };
 
 static void pmac_i2c_devscan(void (*callback)(struct device_node *dev,
@@ -1172,6 +1173,15 @@ static void pmac_i2c_devscan(void (*callback)(struct device_node *dev,
 		/* XXX Study device-tree's & apple drivers are get the quirks
 		 * right !
 		 */
+		/* Workaround: It seems that running the clockspreading
+		 * properties on the eMac will cause lockups during boot.
+		 * The machine seems to work fine without that. So for now,
+		 * let's make sure i2c-hwclock doesn't match about "imic"
+		 * clocks and we'll figure out if we really need to do
+		 * something special about those later.
+		 */
+		{ "i2c-hwclock", "imic5002", pmac_i2c_quirk_skip },
+		{ "i2c-hwclock", "imic5003", pmac_i2c_quirk_skip },
 		{ "i2c-hwclock", NULL, pmac_i2c_quirk_invmask },
 		{ "i2c-cpu-voltage", NULL, 0},
 		{  "temp-monitor", NULL, 0 },
@@ -1198,6 +1208,8 @@ static void pmac_i2c_devscan(void (*callback)(struct device_node *dev,
 				if (p->compatible &&
 				    !device_is_compatible(np, p->compatible))
 					continue;
+				if (p->quirks & pmac_i2c_quirk_skip)
+					break;
 				callback(np, p->quirks);
 				break;
 			}
diff --git a/arch/powerpc/platforms/powermac/setup.c b/arch/powerpc/platforms/powermac/setup.c
index 4d15e396655c..b9200fb07815 100644
--- a/arch/powerpc/platforms/powermac/setup.c
+++ b/arch/powerpc/platforms/powermac/setup.c
@@ -463,11 +463,23 @@ static int pmac_pm_finish(suspend_state_t state)
 	return 0;
 }
 
+static int pmac_pm_valid(suspend_state_t state)
+{
+	switch (state) {
+	case PM_SUSPEND_DISK:
+		return 1;
+	/* can't do any other states via generic mechanism yet */
+	default:
+		return 0;
+	}
+}
+
 static struct pm_ops pmac_pm_ops = {
 	.pm_disk_mode	= PM_DISK_SHUTDOWN,
 	.prepare	= pmac_pm_prepare,
 	.enter		= pmac_pm_enter,
 	.finish		= pmac_pm_finish,
+	.valid		= pmac_pm_valid,
 };
 
 #endif /* CONFIG_SOFTWARE_SUSPEND */