Merge branch 'master' of /home/davem/src/GIT/linux-2.6/

Conflicts:
	drivers/net/wimax/i2400m/usb-notif.c

6 files changed, 84 insertions, 112 deletions

diff --git a/arch/blackfin/include/asm/Kbuild b/arch/blackfin/include/asm/Kbuild
index 606ecfdcc962..09c31418cc08 100644
--- a/arch/blackfin/include/asm/Kbuild
+++ b/arch/blackfin/include/asm/Kbuild
@@ -1,3 +1,4 @@
 include include/asm-generic/Kbuild.asm
 
+unifdef-y += bfin_sport.h
 unifdef-y += fixed_code.h
diff --git a/arch/blackfin/include/asm/bfin_sport.h b/arch/blackfin/include/asm/bfin_sport.h
index fe88a2c19213..65a651db5b07 100644
--- a/arch/blackfin/include/asm/bfin_sport.h
+++ b/arch/blackfin/include/asm/bfin_sport.h
@@ -1,30 +1,9 @@
 /*
- * File:         include/asm-blackfin/bfin_sport.h
- * Based on:
- * Author:       Roy Huang (roy.huang@analog.com)
+ * bfin_sport.h - userspace header for bfin sport driver
  *
- * Created:      Thu Aug. 24 2006
- * Description:
+ * Copyright 2004-2008 Analog Devices Inc.
  *
- * Modified:
- *               Copyright 2004-2006 Analog Devices Inc.
- *
- * Bugs:         Enter bugs at http://blackfin.uclinux.org/
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, see the file COPYING, or write
- * to the Free Software Foundation, Inc.,
- * 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ * Licensed under the GPL-2 or later.
  */
 
 #ifndef __BFIN_SPORT_H__
@@ -42,11 +21,10 @@
 #define NORM_FORMAT	0x0
 #define ALAW_FORMAT	0x2
 #define ULAW_FORMAT	0x3
-struct sport_register;
 
 /* Function driver which use sport must initialize the structure */
 struct sport_config {
-	/*TDM (multichannels), I2S or other mode */
+	/* TDM (multichannels), I2S or other mode */
 	unsigned int mode:3;
 
 	/* if TDM mode is selected, channels must be set */
@@ -72,12 +50,18 @@ struct sport_config {
 	int serial_clk;
 	int fsync_clk;
 
-	unsigned int data_format:2;	/*Normal, u-law or a-law */
+	unsigned int data_format:2;	/* Normal, u-law or a-law */
 
 	int word_len;		/* How length of the word in bits, 3-32 bits */
 	int dma_enabled;
 };
 
+/* Userspace interface */
+#define SPORT_IOC_MAGIC		'P'
+#define SPORT_IOC_CONFIG	_IOWR('P', 0x01, struct sport_config)
+
+#ifdef __KERNEL__
+
 struct sport_register {
 	unsigned short tcr1;
 	unsigned short reserved0;
@@ -117,9 +101,6 @@ struct sport_register {
 	unsigned long mrcs3;
 };
 
-#define SPORT_IOC_MAGIC		'P'
-#define SPORT_IOC_CONFIG	_IOWR('P', 0x01, struct sport_config)
-
 struct sport_dev {
 	struct cdev cdev;	/* Char device structure */
 
@@ -149,6 +130,8 @@ struct sport_dev {
 	struct sport_config config;
 };
 
+#endif
+
 #define SPORT_TCR1	0
 #define	SPORT_TCR2	1
 #define	SPORT_TCLKDIV	2
@@ -169,4 +152,4 @@ struct sport_dev {
 #define SPORT_MRCS2	22
 #define SPORT_MRCS3	23
 
-#endif				/*__BFIN_SPORT_H__*/
+#endif
diff --git a/arch/blackfin/include/asm/ipipe.h b/arch/blackfin/include/asm/ipipe.h
index 76f53d8b9a0d..343b56361ec9 100644
--- a/arch/blackfin/include/asm/ipipe.h
+++ b/arch/blackfin/include/asm/ipipe.h
@@ -35,9 +35,9 @@
 #include <asm/atomic.h>
 #include <asm/traps.h>
 
-#define IPIPE_ARCH_STRING     "1.8-00"
+#define IPIPE_ARCH_STRING     "1.9-00"
 #define IPIPE_MAJOR_NUMBER    1
-#define IPIPE_MINOR_NUMBER    8
+#define IPIPE_MINOR_NUMBER    9
 #define IPIPE_PATCH_NUMBER    0
 
 #ifdef CONFIG_SMP
@@ -83,9 +83,9 @@ struct ipipe_sysinfo {
 				"%2 = CYCLES2\n"		\
 				"CC = %2 == %0\n"		\
 				"if ! CC jump 1b\n"		\
-				: "=r" (((unsigned long *)&t)[1]),	\
-				  "=r" (((unsigned long *)&t)[0]),	\
-				  "=r" (__cy2)				\
+				: "=d,a" (((unsigned long *)&t)[1]),	\
+				  "=d,a" (((unsigned long *)&t)[0]),	\
+				  "=d,a" (__cy2)				\
 				: /*no input*/ : "CC");			\
 	t;								\
 	})
@@ -118,35 +118,40 @@ void __ipipe_disable_irqdesc(struct ipipe_domain *ipd,
 
 #define __ipipe_disable_irq(irq)	(irq_desc[irq].chip->mask(irq))
 
-#define __ipipe_lock_root()					\
-	set_bit(IPIPE_ROOTLOCK_FLAG, &ipipe_root_domain->flags)
+static inline int __ipipe_check_tickdev(const char *devname)
+{
+	return 1;
+}
 
-#define __ipipe_unlock_root()					\
-	clear_bit(IPIPE_ROOTLOCK_FLAG, &ipipe_root_domain->flags)
+static inline void __ipipe_lock_root(void)
+{
+	set_bit(IPIPE_SYNCDEFER_FLAG, &ipipe_root_cpudom_var(status));
+}
+
+static inline void __ipipe_unlock_root(void)
+{
+	clear_bit(IPIPE_SYNCDEFER_FLAG, &ipipe_root_cpudom_var(status));
+}
 
 void __ipipe_enable_pipeline(void);
 
 #define __ipipe_hook_critical_ipi(ipd) do { } while (0)
 
-#define __ipipe_sync_pipeline(syncmask)					\
-	do {								\
-		struct ipipe_domain *ipd = ipipe_current_domain;	\
-		if (likely(ipd != ipipe_root_domain || !test_bit(IPIPE_ROOTLOCK_FLAG, &ipd->flags))) \
-			__ipipe_sync_stage(syncmask);			\
-	} while (0)
+#define __ipipe_sync_pipeline  ___ipipe_sync_pipeline
+void ___ipipe_sync_pipeline(unsigned long syncmask);
 
 void __ipipe_handle_irq(unsigned irq, struct pt_regs *regs);
 
 int __ipipe_get_irq_priority(unsigned irq);
 
-int __ipipe_get_irqthread_priority(unsigned irq);
-
 void __ipipe_stall_root_raw(void);
 
 void __ipipe_unstall_root_raw(void);
 
 void __ipipe_serial_debug(const char *fmt, ...);
 
+asmlinkage void __ipipe_call_irqtail(unsigned long addr);
+
 DECLARE_PER_CPU(struct pt_regs, __ipipe_tick_regs);
 
 extern unsigned long __ipipe_core_clock;
@@ -162,42 +167,25 @@ static inline unsigned long __ipipe_ffnz(unsigned long ul)
 
 #define __ipipe_run_irqtail()  /* Must be a macro */			\
 	do {								\
-		asmlinkage void __ipipe_call_irqtail(void);		\
 		unsigned long __pending;				\
-		CSYNC();					\
+		CSYNC();						\
 		__pending = bfin_read_IPEND();				\
 		if (__pending & 0x8000) {				\
 			__pending &= ~0x8010;				\
 			if (__pending && (__pending & (__pending - 1)) == 0) \
-				__ipipe_call_irqtail();			\
+				__ipipe_call_irqtail(__ipipe_irq_tail_hook); \
 		}							\
 	} while (0)
 
 #define __ipipe_run_isr(ipd, irq)					\
 	do {								\
 		if (ipd == ipipe_root_domain) {				\
-			/*						\
-			 * Note: the I-pipe implements a threaded interrupt model on \
-			 * this arch for Linux external IRQs. The interrupt handler we \
-			 * call here only wakes up the associated IRQ thread. \
-			 */						\
-			if (ipipe_virtual_irq_p(irq)) {			\
-				/* No irqtail here; virtual interrupts have no effect \
-				   on IPEND so there is no need for processing \
-				   deferral. */				\
-				local_irq_enable_nohead(ipd);		\
+			local_irq_enable_hw();				\
+			if (ipipe_virtual_irq_p(irq))			\
 				ipd->irqs[irq].handler(irq, ipd->irqs[irq].cookie); \
-				local_irq_disable_nohead(ipd);		\
-			} else						\
-				/*					\
-				 * No need to run the irqtail here either; \
-				 * we can't be preempted by hw IRQs, so	\
-				 * non-Linux IRQs cannot stack over the short \
-				 * thread wakeup code. Which in turn means \
-				 * that no irqtail condition could be pending \
-				 * for domains above Linux in the pipeline. \
-				 */					\
+			else						\
 				ipd->irqs[irq].handler(irq, &__raw_get_cpu_var(__ipipe_tick_regs)); \
+			local_irq_disable_hw();				\
 		} else {						\
 			__clear_bit(IPIPE_SYNC_FLAG, &ipipe_cpudom_var(ipd, status)); \
 			local_irq_enable_nohead(ipd);			\
@@ -217,42 +205,24 @@ void ipipe_init_irq_threads(void);
 
 int ipipe_start_irq_thread(unsigned irq, struct irq_desc *desc);
 
-#define IS_SYSIRQ(irq)		((irq) > IRQ_CORETMR && (irq) <= SYS_IRQS)
-#define IS_GPIOIRQ(irq)		((irq) >= GPIO_IRQ_BASE && (irq) < NR_IRQS)
-
+#ifdef CONFIG_GENERIC_CLOCKEVENTS
+#define IRQ_SYSTMR		IRQ_CORETMR
+#define IRQ_PRIOTMR		IRQ_CORETMR
+#else
 #define IRQ_SYSTMR		IRQ_TIMER0
 #define IRQ_PRIOTMR		CONFIG_IRQ_TIMER0
+#endif
 
-#if defined(CONFIG_BF531) || defined(CONFIG_BF532) || defined(CONFIG_BF533)
-#define PRIO_GPIODEMUX(irq)	CONFIG_PFA
-#elif defined(CONFIG_BF534) || defined(CONFIG_BF536) || defined(CONFIG_BF537)
-#define PRIO_GPIODEMUX(irq)	CONFIG_IRQ_PROG_INTA
-#elif defined(CONFIG_BF52x)
-#define PRIO_GPIODEMUX(irq)	((irq) == IRQ_PORTF_INTA ? CONFIG_IRQ_PORTF_INTA : \
-				 (irq) == IRQ_PORTG_INTA ? CONFIG_IRQ_PORTG_INTA : \
-				 (irq) == IRQ_PORTH_INTA ? CONFIG_IRQ_PORTH_INTA : \
-				 -1)
-#elif defined(CONFIG_BF561)
-#define PRIO_GPIODEMUX(irq)	((irq) == IRQ_PROG0_INTA ? CONFIG_IRQ_PROG0_INTA : \
-				 (irq) == IRQ_PROG1_INTA ? CONFIG_IRQ_PROG1_INTA : \
-				 (irq) == IRQ_PROG2_INTA ? CONFIG_IRQ_PROG2_INTA : \
-				 -1)
+#ifdef CONFIG_BF561
 #define bfin_write_TIMER_DISABLE(val)	bfin_write_TMRS8_DISABLE(val)
 #define bfin_write_TIMER_ENABLE(val)	bfin_write_TMRS8_ENABLE(val)
 #define bfin_write_TIMER_STATUS(val)	bfin_write_TMRS8_STATUS(val)
 #define bfin_read_TIMER_STATUS()	bfin_read_TMRS8_STATUS()
 #elif defined(CONFIG_BF54x)
-#define PRIO_GPIODEMUX(irq)	((irq) == IRQ_PINT0 ? CONFIG_IRQ_PINT0 : \
-				 (irq) == IRQ_PINT1 ? CONFIG_IRQ_PINT1 : \
-				 (irq) == IRQ_PINT2 ? CONFIG_IRQ_PINT2 : \
-				 (irq) == IRQ_PINT3 ? CONFIG_IRQ_PINT3 : \
-				 -1)
 #define bfin_write_TIMER_DISABLE(val)	bfin_write_TIMER_DISABLE0(val)
 #define bfin_write_TIMER_ENABLE(val)	bfin_write_TIMER_ENABLE0(val)
 #define bfin_write_TIMER_STATUS(val)	bfin_write_TIMER_STATUS0(val)
 #define bfin_read_TIMER_STATUS(val)	bfin_read_TIMER_STATUS0(val)
-#else
-# error "no PRIO_GPIODEMUX() for this part"
 #endif
 
 #define __ipipe_root_tick_p(regs)	((regs->ipend & 0x10) != 0)
@@ -275,4 +245,6 @@ int ipipe_start_irq_thread(unsigned irq, struct irq_desc *desc);
 
 #endif /* !CONFIG_IPIPE */
 
+#define ipipe_update_tick_evtdev(evtdev)	do { } while (0)
+
 #endif	/* !__ASM_BLACKFIN_IPIPE_H */
diff --git a/arch/blackfin/include/asm/ipipe_base.h b/arch/blackfin/include/asm/ipipe_base.h
index cb1025aeabcf..3e8acbd1a3be 100644
--- a/arch/blackfin/include/asm/ipipe_base.h
+++ b/arch/blackfin/include/asm/ipipe_base.h
@@ -1,5 +1,5 @@
 /*   -*- linux-c -*-
- *   include/asm-blackfin/_baseipipe.h
+ *   include/asm-blackfin/ipipe_base.h
  *
  *   Copyright (C) 2007 Philippe Gerum.
  *
@@ -27,8 +27,9 @@
 #define IPIPE_NR_XIRQS		NR_IRQS
 #define IPIPE_IRQ_ISHIFT	5	/* 2^5 for 32bits arch. */
 
-/* Blackfin-specific, global domain flags */
-#define IPIPE_ROOTLOCK_FLAG	1	/* Lock pipeline for root */
+/* Blackfin-specific, per-cpu pipeline status */
+#define IPIPE_SYNCDEFER_FLAG	15
+#define IPIPE_SYNCDEFER_MASK	(1L << IPIPE_SYNCDEFER_MASK)
 
  /* Blackfin traps -- i.e. exception vector numbers */
 #define IPIPE_NR_FAULTS		52 /* We leave a gap after VEC_ILL_RES. */
@@ -48,11 +49,6 @@
 
 #ifndef __ASSEMBLY__
 
-#include <linux/bitops.h>
-
-extern int test_bit(int nr, const void *addr);
-
-
 extern unsigned long __ipipe_root_status; /* Alias to ipipe_root_cpudom_var(status) */
 
 static inline void __ipipe_stall_root(void)
diff --git a/arch/blackfin/include/asm/irq.h b/arch/blackfin/include/asm/irq.h
index 3d977909ce7d..7645e85a5f6f 100644
--- a/arch/blackfin/include/asm/irq.h
+++ b/arch/blackfin/include/asm/irq.h
@@ -61,20 +61,38 @@ void __ipipe_restore_root(unsigned long flags);
 #define raw_irqs_disabled_flags(flags)	(!irqs_enabled_from_flags_hw(flags))
 #define local_test_iflag_hw(x)		irqs_enabled_from_flags_hw(x)
 
-#define local_save_flags(x)						\
-	do {								\
-		(x) = __ipipe_test_root() ? \
+#define local_save_flags(x)					 \
+	do {							 \
+		(x) = __ipipe_test_root() ?			 \
 			__all_masked_irq_flags : bfin_irq_flags; \
+		barrier();					 \
 	} while (0)
 
-#define local_irq_save(x)				\
-	do {						\
-		(x) = __ipipe_test_and_stall_root();	\
+#define local_irq_save(x)					 \
+	do {						 	 \
+		(x) = __ipipe_test_and_stall_root() ?		 \
+			__all_masked_irq_flags : bfin_irq_flags; \
+		barrier();					 \
+	} while (0)
+
+static inline void local_irq_restore(unsigned long x)
+{
+	barrier();
+	__ipipe_restore_root(x == __all_masked_irq_flags);
+}
+
+#define local_irq_disable()			\
+	do {					\
+		__ipipe_stall_root();		\
+		barrier();			\
 	} while (0)
 
-#define local_irq_restore(x)	__ipipe_restore_root(x)
-#define local_irq_disable()	__ipipe_stall_root()
-#define local_irq_enable()	__ipipe_unstall_root()
+static inline void local_irq_enable(void)
+{
+	barrier();
+	__ipipe_unstall_root();
+}
+
 #define irqs_disabled()		__ipipe_test_root()
 
 #define local_save_flags_hw(x) \
diff --git a/arch/blackfin/include/asm/thread_info.h b/arch/blackfin/include/asm/thread_info.h
index e721ce55956c..2920087516f2 100644
--- a/arch/blackfin/include/asm/thread_info.h
+++ b/arch/blackfin/include/asm/thread_info.h
@@ -122,6 +122,7 @@ static inline struct thread_info *current_thread_info(void)
 #define TIF_MEMDIE              4
 #define TIF_RESTORE_SIGMASK	5	/* restore signal mask in do_signal() */
 #define TIF_FREEZE              6       /* is freezing for suspend */
+#define TIF_IRQ_SYNC            7       /* sync pipeline stage */
 
 /* as above, but as bit values */
 #define _TIF_SYSCALL_TRACE	(1<<TIF_SYSCALL_TRACE)
@@ -130,6 +131,7 @@ static inline struct thread_info *current_thread_info(void)
 #define _TIF_POLLING_NRFLAG	(1<<TIF_POLLING_NRFLAG)
 #define _TIF_RESTORE_SIGMASK	(1<<TIF_RESTORE_SIGMASK)
 #define _TIF_FREEZE             (1<<TIF_FREEZE)
+#define _TIF_IRQ_SYNC           (1<<TIF_IRQ_SYNC)
 
 #define _TIF_WORK_MASK		0x0000FFFE	/* work to do on interrupt/exception return */