Merge with /shiny/git/linux-2.6/.git

6 files changed, 45 insertions, 14 deletions

diff --git a/include/asm-ppc64/cputable.h b/include/asm-ppc64/cputable.h
index cbbfbec78b6b..d67fa9e26079 100644
--- a/include/asm-ppc64/cputable.h
+++ b/include/asm-ppc64/cputable.h
@@ -138,6 +138,7 @@ extern firmware_feature_t firmware_features_table[];
 #define CPU_FTR_COHERENT_ICACHE  	ASM_CONST(0x0000020000000000)
 #define CPU_FTR_LOCKLESS_TLBIE		ASM_CONST(0x0000040000000000)
 #define CPU_FTR_MMCRA_SIHV		ASM_CONST(0x0000080000000000)
+#define CPU_FTR_CTRL			ASM_CONST(0x0000100000000000)
 
 /* Platform firmware features */
 #define FW_FTR_				ASM_CONST(0x0000000000000001)
@@ -148,7 +149,7 @@ extern firmware_feature_t firmware_features_table[];
 
 #define CPU_FTR_PPCAS_ARCH_V2_BASE (CPU_FTR_SLB | \
                                  CPU_FTR_TLBIEL | CPU_FTR_NOEXECUTE | \
-                                 CPU_FTR_NODSISRALIGN)
+                                 CPU_FTR_NODSISRALIGN | CPU_FTR_CTRL)
 
 /* iSeries doesn't support large pages */
 #ifdef CONFIG_PPC_ISERIES
diff --git a/include/asm-ppc64/hvconsole.h b/include/asm-ppc64/hvconsole.h
index d89d94c91815..6da93ce74dc0 100644
--- a/include/asm-ppc64/hvconsole.h
+++ b/include/asm-ppc64/hvconsole.h
@@ -29,12 +29,21 @@
  */
 #define MAX_NR_HVC_CONSOLES	16
 
+/* implemented by a low level driver */
+struct hv_ops {
+	int (*get_chars)(uint32_t vtermno, char *buf, int count);
+	int (*put_chars)(uint32_t vtermno, const char *buf, int count);
+};
 extern int hvc_get_chars(uint32_t vtermno, char *buf, int count);
 extern int hvc_put_chars(uint32_t vtermno, const char *buf, int count);
 
-/* Early discovery of console adapters. */
-extern int hvc_find_vtys(void);
+struct hvc_struct;
 
-/* Implemented by a console driver */
-extern int hvc_instantiate(uint32_t vtermno, int index);
+/* Register a vterm and a slot index for use as a console (console_init) */
+extern int hvc_instantiate(uint32_t vtermno, int index, struct hv_ops *ops);
+/* register a vterm for hvc tty operation (module_init or hotplug add) */
+extern struct hvc_struct * __devinit hvc_alloc(uint32_t vtermno, int irq,
+						 struct hv_ops *ops);
+/* remove a vterm from hvc tty operation (modele_exit or hotplug remove) */
+extern int __devexit hvc_remove(struct hvc_struct *hp);
 #endif /* _PPC64_HVCONSOLE_H */
diff --git a/include/asm-ppc64/machdep.h b/include/asm-ppc64/machdep.h
index 9cdad3ed1526..1e6ad4824132 100644
--- a/include/asm-ppc64/machdep.h
+++ b/include/asm-ppc64/machdep.h
@@ -140,8 +140,13 @@ struct machdep_calls {
 						unsigned long size,
 						pgprot_t vma_prot);
 
+	/* Idle loop for this platform, leave empty for default idle loop */
+	int		(*idle_loop)(void);
 };
 
+extern int default_idle(void);
+extern int native_idle(void);
+
 extern struct machdep_calls ppc_md;
 extern char cmd_line[COMMAND_LINE_SIZE];
 
diff --git a/include/asm-ppc64/pci.h b/include/asm-ppc64/pci.h
index d12dfce21e20..faa772223075 100644
--- a/include/asm-ppc64/pci.h
+++ b/include/asm-ppc64/pci.h
@@ -37,7 +37,7 @@ static inline void pcibios_set_master(struct pci_dev *dev)
 	/* No special bus mastering setup handling */
 }
 
-static inline void pcibios_penalize_isa_irq(int irq)
+static inline void pcibios_penalize_isa_irq(int irq, int active)
 {
 	/* We don't do dynamic PCI IRQ allocation */
 }
diff --git a/include/asm-ppc64/processor.h b/include/asm-ppc64/processor.h
index af28aa55d8c1..352306cfb579 100644
--- a/include/asm-ppc64/processor.h
+++ b/include/asm-ppc64/processor.h
@@ -20,6 +20,7 @@
 #include <asm/ptrace.h>
 #include <asm/types.h>
 #include <asm/systemcfg.h>
+#include <asm/cputable.h>
 
 /* Machine State Register (MSR) Fields */
 #define MSR_SF_LG	63              /* Enable 64 bit mode */
@@ -501,24 +502,37 @@ static inline void ppc64_runlatch_on(void)
 {
 	unsigned long ctrl;
 
-	ctrl = mfspr(SPRN_CTRLF);
-	ctrl |= CTRL_RUNLATCH;
-	mtspr(SPRN_CTRLT, ctrl);
+	if (cpu_has_feature(CPU_FTR_CTRL)) {
+		ctrl = mfspr(SPRN_CTRLF);
+		ctrl |= CTRL_RUNLATCH;
+		mtspr(SPRN_CTRLT, ctrl);
+	}
 }
 
 static inline void ppc64_runlatch_off(void)
 {
 	unsigned long ctrl;
 
-	ctrl = mfspr(SPRN_CTRLF);
-	ctrl &= ~CTRL_RUNLATCH;
-	mtspr(SPRN_CTRLT, ctrl);
+	if (cpu_has_feature(CPU_FTR_CTRL)) {
+		ctrl = mfspr(SPRN_CTRLF);
+		ctrl &= ~CTRL_RUNLATCH;
+		mtspr(SPRN_CTRLT, ctrl);
+	}
 }
 
 #endif /* __KERNEL__ */
 
 #endif /* __ASSEMBLY__ */
 
+#ifdef __KERNEL__
+#define RUNLATCH_ON(REG)			\
+BEGIN_FTR_SECTION				\
+	mfspr	(REG),SPRN_CTRLF;		\
+	ori	(REG),(REG),CTRL_RUNLATCH;	\
+	mtspr	SPRN_CTRLT,(REG);		\
+END_FTR_SECTION_IFSET(CPU_FTR_CTRL)
+#endif
+
 /*
  * Number of entries in the SLB. If this ever changes we should handle
  * it with a use a cpu feature fixup.
diff --git a/include/asm-ppc64/unistd.h b/include/asm-ppc64/unistd.h
index 605d91e011ec..4a94acf6bfed 100644
--- a/include/asm-ppc64/unistd.h
+++ b/include/asm-ppc64/unistd.h
@@ -268,7 +268,7 @@
 #define __NR_rtas		255
 /* Number 256 is reserved for sys_debug_setcontext */
 /* Number 257 is reserved for vserver */
-/* Number 258 is reserved for new sys_remap_file_pages */
+/* 258 currently unused */
 #define __NR_mbind		259
 #define __NR_get_mempolicy	260
 #define __NR_set_mempolicy	261
@@ -283,8 +283,10 @@
 #define __NR_request_key	270
 #define __NR_keyctl		271
 #define __NR_waitid		272
+#define __NR_ioprio_set		273
+#define __NR_ioprio_get		274
 
-#define __NR_syscalls		273
+#define __NR_syscalls		275
 #ifdef __KERNEL__
 #define NR_syscalls	__NR_syscalls
 #endif