Merge branch 'for-2.6.25' of master.kernel.org:/pub/scm/linux/kernel/git/arnd/cell-2.6 into merge

22 files changed, 156 insertions, 23 deletions

diff --git a/include/linux/ata.h b/include/linux/ata.h
index 78bbacaed8c4..1c622e2b0504 100644
--- a/include/linux/ata.h
+++ b/include/linux/ata.h
@@ -659,6 +659,11 @@ static inline int atapi_command_packet_set(const u16 *dev_id)
 	return (dev_id[0] >> 8) & 0x1f;
 }
 
+static inline int atapi_id_dmadir(const u16 *dev_id)
+{
+	return ata_id_major_version(dev_id) >= 7 && (dev_id[62] & 0x8000);
+}
+
 static inline int is_multi_taskfile(struct ata_taskfile *tf)
 {
 	return (tf->command == ATA_CMD_READ_MULTI) ||
diff --git a/include/linux/connector.h b/include/linux/connector.h
index da6dd957f908..96a89d3d6727 100644
--- a/include/linux/connector.h
+++ b/include/linux/connector.h
@@ -170,7 +170,5 @@ int cn_cb_equal(struct cb_id *, struct cb_id *);
 
 void cn_queue_wrapper(struct work_struct *work);
 
-extern int cn_already_initialized;
-
 #endif				/* __KERNEL__ */
 #endif				/* __CONNECTOR_H */
diff --git a/include/linux/elfcore-compat.h b/include/linux/elfcore-compat.h
index 532d13adabc4..0a90e1c3a422 100644
--- a/include/linux/elfcore-compat.h
+++ b/include/linux/elfcore-compat.h
@@ -45,8 +45,8 @@ struct compat_elf_prpsinfo
 	char				pr_zomb;
 	char				pr_nice;
 	compat_ulong_t			pr_flag;
-	compat_uid_t			pr_uid;
-	compat_gid_t			pr_gid;
+	__compat_uid_t			pr_uid;
+	__compat_gid_t			pr_gid;
 	compat_pid_t			pr_pid, pr_ppid, pr_pgrp, pr_sid;
 	char				pr_fname[16];
 	char				pr_psargs[ELF_PRARGSZ];
diff --git a/include/linux/ext4_fs_extents.h b/include/linux/ext4_fs_extents.h
index 697da4bce6c5..1285c583b2d8 100644
--- a/include/linux/ext4_fs_extents.h
+++ b/include/linux/ext4_fs_extents.h
@@ -227,5 +227,6 @@ extern int ext4_ext_search_left(struct inode *, struct ext4_ext_path *,
 						ext4_lblk_t *, ext4_fsblk_t *);
 extern int ext4_ext_search_right(struct inode *, struct ext4_ext_path *,
 						ext4_lblk_t *, ext4_fsblk_t *);
+extern void ext4_ext_drop_refs(struct ext4_ext_path *);
 #endif /* _LINUX_EXT4_EXTENTS */
 
diff --git a/include/linux/hardirq.h b/include/linux/hardirq.h
index 2961ec788046..49829988bfa0 100644
--- a/include/linux/hardirq.h
+++ b/include/linux/hardirq.h
@@ -109,6 +109,14 @@ static inline void account_system_vtime(struct task_struct *tsk)
 }
 #endif
 
+#if defined(CONFIG_PREEMPT_RCU) && defined(CONFIG_NO_HZ)
+extern void rcu_irq_enter(void);
+extern void rcu_irq_exit(void);
+#else
+# define rcu_irq_enter() do { } while (0)
+# define rcu_irq_exit() do { } while (0)
+#endif /* CONFIG_PREEMPT_RCU */
+
 /*
  * It is safe to do non-atomic ops on ->hardirq_context,
  * because NMI handlers may not preempt and the ops are
@@ -117,6 +125,7 @@ static inline void account_system_vtime(struct task_struct *tsk)
  */
 #define __irq_enter()					\
 	do {						\
+		rcu_irq_enter();			\
 		account_system_vtime(current);		\
 		add_preempt_count(HARDIRQ_OFFSET);	\
 		trace_hardirq_enter();			\
@@ -135,6 +144,7 @@ extern void irq_enter(void);
 		trace_hardirq_exit();			\
 		account_system_vtime(current);		\
 		sub_preempt_count(HARDIRQ_OFFSET);	\
+		rcu_irq_exit();				\
 	} while (0)
 
 /*
diff --git a/include/linux/i2c.h b/include/linux/i2c.h
index 76014f8f3c60..365e0df3646b 100644
--- a/include/linux/i2c.h
+++ b/include/linux/i2c.h
@@ -271,9 +271,16 @@ extern void i2c_unregister_device(struct i2c_client *);
  * This is done at arch_initcall time, before declaring any i2c adapters.
  * Modules for add-on boards must use other calls.
  */
+#ifdef CONFIG_I2C_BOARDINFO
 extern int
 i2c_register_board_info(int busnum, struct i2c_board_info const *info, unsigned n);
-
+#else
+static inline int
+i2c_register_board_info(int busnum, struct i2c_board_info const *info, unsigned n)
+{
+	return 0;
+}
+#endif
 
 /*
  * The following structs are for those who like to implement new bus drivers:
@@ -598,7 +605,7 @@ I2C_CLIENT_MODULE_PARM(probe, "List of adapter,address pairs to scan "	\
 		       "additionally");					\
 I2C_CLIENT_MODULE_PARM(ignore, "List of adapter,address pairs not to "	\
 		       "scan");						\
-const static struct i2c_client_address_data addr_data = {		\
+static const struct i2c_client_address_data addr_data = {		\
 	.normal_i2c	= normal_i2c,					\
 	.probe		= probe,					\
 	.ignore		= ignore,					\
diff --git a/include/linux/if_ether.h b/include/linux/if_ether.h
index 42dc6a3571ec..e157c1399b61 100644
--- a/include/linux/if_ether.h
+++ b/include/linux/if_ether.h
@@ -129,7 +129,8 @@ extern ssize_t sysfs_format_mac(char *buf, const unsigned char *addr, int len);
 /*
  *	Display a 6 byte device address (MAC) in a readable format.
  */
-extern __pure char *print_mac(char *buf, const unsigned char *addr);
+extern char *print_mac(char *buf, const unsigned char *addr);
+#define MAC_FMT "%02x:%02x:%02x:%02x:%02x:%02x"
 #define MAC_BUF_SIZE	18
 #define DECLARE_MAC_BUF(var) char var[MAC_BUF_SIZE] __maybe_unused
 
diff --git a/include/linux/libata.h b/include/linux/libata.h
index ce7603a73156..a05f60013642 100644
--- a/include/linux/libata.h
+++ b/include/linux/libata.h
@@ -138,6 +138,7 @@ enum {
 	ATA_DFLAG_AN		= (1 << 7), /* AN configured */
 	ATA_DFLAG_HIPM		= (1 << 8), /* device supports HIPM */
 	ATA_DFLAG_DIPM		= (1 << 9), /* device supports DIPM */
+	ATA_DFLAG_DMADIR	= (1 << 10), /* device requires DMADIR */
 	ATA_DFLAG_CFG_MASK	= (1 << 12) - 1,
 
 	ATA_DFLAG_PIO		= (1 << 12), /* device limited to PIO mode */
diff --git a/include/linux/maple.h b/include/linux/maple.h
index 3f01e2bae1a1..d31e36ebb436 100644
--- a/include/linux/maple.h
+++ b/include/linux/maple.h
@@ -64,7 +64,6 @@ struct maple_driver {
 	int (*connect) (struct maple_device * dev);
 	void (*disconnect) (struct maple_device * dev);
 	struct device_driver drv;
-	int registered;
 };
 
 void maple_getcond_callback(struct maple_device *dev,
diff --git a/include/linux/netfilter.h b/include/linux/netfilter.h
index d74e79bacd2d..f0680c2bee73 100644
--- a/include/linux/netfilter.h
+++ b/include/linux/netfilter.h
@@ -31,7 +31,7 @@
 #define NF_VERDICT_QMASK 0xffff0000
 #define NF_VERDICT_QBITS 16
 
-#define NF_QUEUE_NR(x) (((x << NF_VERDICT_QBITS) & NF_VERDICT_QMASK) | NF_QUEUE)
+#define NF_QUEUE_NR(x) ((((x) << NF_VERDICT_BITS) & NF_VERDICT_QMASK) | NF_QUEUE)
 
 /* only for userspace compatibility */
 #ifndef __KERNEL__
@@ -51,7 +51,7 @@ enum nf_inet_hooks {
 };
 
 union nf_inet_addr {
-	u_int32_t	all[4];
+	__u32		all[4];
 	__be32		ip;
 	__be32		ip6[4];
 	struct in_addr	in;
diff --git a/include/linux/netfilter/Kbuild b/include/linux/netfilter/Kbuild
index 91fef0cae42f..3aff513d12c8 100644
--- a/include/linux/netfilter/Kbuild
+++ b/include/linux/netfilter/Kbuild
@@ -30,7 +30,6 @@ header-y += xt_mark.h
 header-y += xt_multiport.h
 header-y += xt_owner.h
 header-y += xt_pkttype.h
-header-y += xt_policy.h
 header-y += xt_rateest.h
 header-y += xt_realm.h
 header-y += xt_sctp.h
@@ -47,3 +46,4 @@ unifdef-y += nfnetlink.h
 unifdef-y += nfnetlink_compat.h
 unifdef-y += x_tables.h
 unifdef-y += xt_physdev.h
+unifdef-y += xt_policy.h
diff --git a/include/linux/netfilter/xt_hashlimit.h b/include/linux/netfilter/xt_hashlimit.h
index 58b818ee41ca..51b18d83b477 100644
--- a/include/linux/netfilter/xt_hashlimit.h
+++ b/include/linux/netfilter/xt_hashlimit.h
@@ -61,7 +61,6 @@ struct xt_hashlimit_mtinfo1 {
 
 	/* Used internally by the kernel */
 	struct xt_hashlimit_htable *hinfo __attribute__((aligned(8)));
-	struct xt_hashlimit_mtinfo1 *master __attribute__((aligned(8)));
 };
 
 #endif /*_XT_HASHLIMIT_H*/
diff --git a/include/linux/rcuclassic.h b/include/linux/rcuclassic.h
index 4d6624260b4c..b3dccd68629e 100644
--- a/include/linux/rcuclassic.h
+++ b/include/linux/rcuclassic.h
@@ -160,5 +160,8 @@ extern void rcu_restart_cpu(int cpu);
 extern long rcu_batches_completed(void);
 extern long rcu_batches_completed_bh(void);
 
+#define rcu_enter_nohz()	do { } while (0)
+#define rcu_exit_nohz()		do { } while (0)
+
 #endif /* __KERNEL__ */
 #endif /* __LINUX_RCUCLASSIC_H */
diff --git a/include/linux/rcupreempt.h b/include/linux/rcupreempt.h
index 60c2a033b19e..01152ed532c8 100644
--- a/include/linux/rcupreempt.h
+++ b/include/linux/rcupreempt.h
@@ -82,5 +82,27 @@ extern struct rcupreempt_trace *rcupreempt_trace_cpu(int cpu);
 
 struct softirq_action;
 
+#ifdef CONFIG_NO_HZ
+DECLARE_PER_CPU(long, dynticks_progress_counter);
+
+static inline void rcu_enter_nohz(void)
+{
+	__get_cpu_var(dynticks_progress_counter)++;
+	WARN_ON(__get_cpu_var(dynticks_progress_counter) & 0x1);
+	mb();
+}
+
+static inline void rcu_exit_nohz(void)
+{
+	mb();
+	__get_cpu_var(dynticks_progress_counter)++;
+	WARN_ON(!(__get_cpu_var(dynticks_progress_counter) & 0x1));
+}
+
+#else /* CONFIG_NO_HZ */
+#define rcu_enter_nohz()	do { } while (0)
+#define rcu_exit_nohz()		do { } while (0)
+#endif /* CONFIG_NO_HZ */
+
 #endif /* __KERNEL__ */
 #endif /* __LINUX_RCUPREEMPT_H */
diff --git a/include/linux/sched.h b/include/linux/sched.h
index e217d188a102..2c9621f8bf87 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -242,6 +242,7 @@ struct task_struct;
 
 extern void sched_init(void);
 extern void sched_init_smp(void);
+extern asmlinkage void schedule_tail(struct task_struct *prev);
 extern void init_idle(struct task_struct *idle, int cpu);
 extern void init_idle_bootup_task(struct task_struct *idle);
 
@@ -1189,7 +1190,7 @@ struct task_struct {
 	int softirq_context;
 #endif
 #ifdef CONFIG_LOCKDEP
-# define MAX_LOCK_DEPTH 30UL
+# define MAX_LOCK_DEPTH 48UL
 	u64 curr_chain_key;
 	int lockdep_depth;
 	struct held_lock held_locks[MAX_LOCK_DEPTH];
diff --git a/include/linux/serial_sci.h b/include/linux/serial_sci.h
new file mode 100644
index 000000000000..893cc53486bc
--- /dev/null
+++ b/include/linux/serial_sci.h
@@ -0,0 +1,32 @@
+#ifndef __LINUX_SERIAL_SCI_H
+#define __LINUX_SERIAL_SCI_H
+
+#include <linux/serial_core.h>
+
+/*
+ * Generic header for SuperH SCI(F) (used by sh/sh64/h8300 and related parts)
+ */
+
+/* Offsets into the sci_port->irqs array */
+enum {
+	SCIx_ERI_IRQ,
+	SCIx_RXI_IRQ,
+	SCIx_TXI_IRQ,
+	SCIx_BRI_IRQ,
+	SCIx_NR_IRQS,
+};
+
+/*
+ * Platform device specific platform_data struct
+ */
+struct plat_sci_port {
+	void __iomem	*membase;		/* io cookie */
+	unsigned long	mapbase;		/* resource base */
+	unsigned int	irqs[SCIx_NR_IRQS];	/* ERI, RXI, TXI, BRI */
+	unsigned int	type;			/* SCI / SCIF / IRDA */
+	upf_t		flags;			/* UPF_* flags */
+};
+
+int early_sci_setup(struct uart_port *port);
+
+#endif /* __LINUX_SERIAL_SCI_H */
diff --git a/include/linux/ssb/ssb.h b/include/linux/ssb/ssb.h
index 9d5da8b2ccf9..20add65215af 100644
--- a/include/linux/ssb/ssb.h
+++ b/include/linux/ssb/ssb.h
@@ -282,6 +282,13 @@ struct ssb_bus {
 	struct ssb_boardinfo boardinfo;
 	/* Contents of the SPROM. */
 	struct ssb_sprom sprom;
+	/* If the board has a cardbus slot, this is set to true. */
+	bool has_cardbus_slot;
+
+#ifdef CONFIG_SSB_EMBEDDED
+	/* Lock for GPIO register access. */
+	spinlock_t gpio_lock;
+#endif /* EMBEDDED */
 
 	/* Internal-only stuff follows. Do not touch. */
 	struct list_head list;
@@ -294,8 +301,13 @@ struct ssb_bus {
 
 /* The initialization-invariants. */
 struct ssb_init_invariants {
+	/* Versioning information about the PCB. */
 	struct ssb_boardinfo boardinfo;
+	/* The SPROM information. That's either stored in an
+	 * EEPROM or NVRAM on the board. */
 	struct ssb_sprom sprom;
+	/* If the board has a cardbus slot, this is set to true. */
+	bool has_cardbus_slot;
 };
 /* Type of function to fetch the invariants. */
 typedef int (*ssb_invariants_func_t)(struct ssb_bus *bus,
diff --git a/include/linux/ssb/ssb_driver_chipcommon.h b/include/linux/ssb/ssb_driver_chipcommon.h
index 4cb995494662..536851b946f6 100644
--- a/include/linux/ssb/ssb_driver_chipcommon.h
+++ b/include/linux/ssb/ssb_driver_chipcommon.h
@@ -51,9 +51,12 @@
 #define  SSB_CHIPCO_CAP_JTAGM		0x00400000	/* JTAG master present */
 #define  SSB_CHIPCO_CAP_BROM		0x00800000	/* Internal boot ROM active */
 #define  SSB_CHIPCO_CAP_64BIT		0x08000000	/* 64-bit Backplane */
+#define  SSB_CHIPCO_CAP_PMU		0x10000000	/* PMU available (rev >= 20) */
+#define  SSB_CHIPCO_CAP_ECI		0x20000000	/* ECI available (rev >= 20) */
 #define SSB_CHIPCO_CORECTL		0x0008
 #define  SSB_CHIPCO_CORECTL_UARTCLK0	0x00000001	/* Drive UART with internal clock */
 #define	 SSB_CHIPCO_CORECTL_SE		0x00000002	/* sync clk out enable (corerev >= 3) */
+#define  SSB_CHIPCO_CORECTL_UARTCLKEN	0x00000008	/* UART clock enable (rev >= 21) */
 #define SSB_CHIPCO_BIST			0x000C
 #define SSB_CHIPCO_OTPS			0x0010		/* OTP status */
 #define	 SSB_CHIPCO_OTPS_PROGFAIL	0x80000000
@@ -357,6 +360,11 @@ struct ssb_chipcommon {
 	u16 fast_pwrup_delay;
 };
 
+static inline bool ssb_chipco_available(struct ssb_chipcommon *cc)
+{
+	return (cc->dev != NULL);
+}
+
 extern void ssb_chipcommon_init(struct ssb_chipcommon *cc);
 
 #include <linux/pm.h>
@@ -382,11 +390,13 @@ extern void ssb_chipco_set_clockmode(struct ssb_chipcommon *cc,
 extern void ssb_chipco_watchdog_timer_set(struct ssb_chipcommon *cc,
 					  u32 ticks);
 
+/* Chipcommon GPIO pin access. */
 u32 ssb_chipco_gpio_in(struct ssb_chipcommon *cc, u32 mask);
-
-void ssb_chipco_gpio_out(struct ssb_chipcommon *cc, u32 mask, u32 value);
-
-void ssb_chipco_gpio_outen(struct ssb_chipcommon *cc, u32 mask, u32 value);
+u32 ssb_chipco_gpio_out(struct ssb_chipcommon *cc, u32 mask, u32 value);
+u32 ssb_chipco_gpio_outen(struct ssb_chipcommon *cc, u32 mask, u32 value);
+u32 ssb_chipco_gpio_control(struct ssb_chipcommon *cc, u32 mask, u32 value);
+u32 ssb_chipco_gpio_intmask(struct ssb_chipcommon *cc, u32 mask, u32 value);
+u32 ssb_chipco_gpio_polarity(struct ssb_chipcommon *cc, u32 mask, u32 value);
 
 #ifdef CONFIG_SSB_SERIAL
 extern int ssb_chipco_serial_init(struct ssb_chipcommon *cc,
diff --git a/include/linux/ssb/ssb_driver_extif.h b/include/linux/ssb/ssb_driver_extif.h
index a9164357b5ae..91161f0aa22b 100644
--- a/include/linux/ssb/ssb_driver_extif.h
+++ b/include/linux/ssb/ssb_driver_extif.h
@@ -171,11 +171,15 @@ extern void ssb_extif_get_clockcontrol(struct ssb_extif *extif,
 extern void ssb_extif_timing_init(struct ssb_extif *extif,
 				  unsigned long ns);
 
-u32 ssb_extif_gpio_in(struct ssb_extif *extif, u32 mask);
-
-void ssb_extif_gpio_out(struct ssb_extif *extif, u32 mask, u32 value);
+extern void ssb_extif_watchdog_timer_set(struct ssb_extif *extif,
+					 u32 ticks);
 
-void ssb_extif_gpio_outen(struct ssb_extif *extif, u32 mask, u32 value);
+/* Extif GPIO pin access */
+u32 ssb_extif_gpio_in(struct ssb_extif *extif, u32 mask);
+u32 ssb_extif_gpio_out(struct ssb_extif *extif, u32 mask, u32 value);
+u32 ssb_extif_gpio_outen(struct ssb_extif *extif, u32 mask, u32 value);
+u32 ssb_extif_gpio_polarity(struct ssb_extif *extif, u32 mask, u32 value);
+u32 ssb_extif_gpio_intmask(struct ssb_extif *extif, u32 mask, u32 value);
 
 #ifdef CONFIG_SSB_SERIAL
 extern int ssb_extif_serial_init(struct ssb_extif *extif,
@@ -200,5 +204,11 @@ void ssb_extif_get_clockcontrol(struct ssb_extif *extif,
 {
 }
 
+static inline
+void ssb_extif_watchdog_timer_set(struct ssb_extif *extif,
+				  u32 ticks)
+{
+}
+
 #endif /* CONFIG_SSB_DRIVER_EXTIF */
 #endif /* LINUX_SSB_EXTIFCORE_H_ */
diff --git a/include/linux/ssb/ssb_driver_pci.h b/include/linux/ssb/ssb_driver_pci.h
index 9cfffb7b1a27..5e25bac4ed31 100644
--- a/include/linux/ssb/ssb_driver_pci.h
+++ b/include/linux/ssb/ssb_driver_pci.h
@@ -51,6 +51,11 @@
 #define  SSB_PCICORE_SBTOPCI1_MASK	0xFC000000
 #define SSB_PCICORE_SBTOPCI2		0x0108	/* Backplane to PCI translation 2 (sbtopci2) */
 #define  SSB_PCICORE_SBTOPCI2_MASK	0xC0000000
+#define SSB_PCICORE_PCICFG0		0x0400	/* PCI config space 0 (rev >= 8) */
+#define SSB_PCICORE_PCICFG1		0x0500	/* PCI config space 1 (rev >= 8) */
+#define SSB_PCICORE_PCICFG2		0x0600	/* PCI config space 2 (rev >= 8) */
+#define SSB_PCICORE_PCICFG3		0x0700	/* PCI config space 3 (rev >= 8) */
+#define SSB_PCICORE_SPROM(wordoffset)	(0x0800 + ((wordoffset) * 2)) /* SPROM shadow area (72 bytes) */
 
 /* SBtoPCIx */
 #define SSB_PCICORE_SBTOPCI_MEM		0x00000000
diff --git a/include/linux/ssb/ssb_embedded.h b/include/linux/ssb/ssb_embedded.h
new file mode 100644
index 000000000000..8d8dedff059d
--- /dev/null
+++ b/include/linux/ssb/ssb_embedded.h
@@ -0,0 +1,18 @@
+#ifndef LINUX_SSB_EMBEDDED_H_
+#define LINUX_SSB_EMBEDDED_H_
+
+#include <linux/types.h>
+#include <linux/ssb/ssb.h>
+
+
+extern int ssb_watchdog_timer_set(struct ssb_bus *bus, u32 ticks);
+
+/* Generic GPIO API */
+u32 ssb_gpio_in(struct ssb_bus *bus, u32 mask);
+u32 ssb_gpio_out(struct ssb_bus *bus, u32 mask, u32 value);
+u32 ssb_gpio_outen(struct ssb_bus *bus, u32 mask, u32 value);
+u32 ssb_gpio_control(struct ssb_bus *bus, u32 mask, u32 value);
+u32 ssb_gpio_intmask(struct ssb_bus *bus, u32 mask, u32 value);
+u32 ssb_gpio_polarity(struct ssb_bus *bus, u32 mask, u32 value);
+
+#endif /* LINUX_SSB_EMBEDDED_H_ */
diff --git a/include/linux/vmstat.h b/include/linux/vmstat.h
index 75370ec0923e..9f1b4b46151e 100644
--- a/include/linux/vmstat.h
+++ b/include/linux/vmstat.h
@@ -246,8 +246,7 @@ static inline void __dec_zone_state(struct zone *zone, enum zone_stat_item item)
 static inline void __dec_zone_page_state(struct page *page,
 			enum zone_stat_item item)
 {
-	atomic_long_dec(&page_zone(page)->vm_stat[item]);
-	atomic_long_dec(&vm_stat[item]);
+	__dec_zone_state(page_zone(page), item);
 }
 
 /*