Merge master.kernel.org:/home/rmk/linux-2.6-arm

Manual conflict merge of arch/arm/Kconfig

arch/arm/Kconfig

@@ -10,7 +10,7 @@ config ARM
 	default y
 	help
 	  The ARM series is a line of low-power-consumption RISC chip designs
-	  licensed by ARM ltd and targeted at embedded applications and
+	  licensed by ARM Ltd and targeted at embedded applications and
 	  handhelds such as the Compaq IPAQ.  ARM-based PCs are no longer
 	  manufactured, but legacy ARM-based PC hardware remains popular in
 	  Europe.  There is an ARM Linux project with a web page at
@@ -84,45 +84,62 @@ config ARCH_CLPS7500
 	bool "Cirrus-CL-PS7500FE"
 	select TIMER_ACORN
 	select ISA
+	help
+	  Support for the Cirrus Logic PS7500FE system-on-a-chip.
 
 config ARCH_CLPS711X
 	bool "CLPS711x/EP721x-based"
+	help
+	  Support for Cirrus Logic 711x/721x based boards.
 
 config ARCH_CO285
 	bool "Co-EBSA285"
 	select FOOTBRIDGE
 	select FOOTBRIDGE_ADDIN
+	help
+	  Support for Intel's EBSA285 companion chip.
 
 config ARCH_EBSA110
 	bool "EBSA-110"
 	select ISA
 	help
 	  This is an evaluation board for the StrongARM processor available
-	  from Digital. It has limited hardware on-board, including an onboard
+	  from Digital. It has limited hardware on-board, including an
 	  Ethernet interface, two PCMCIA sockets, two serial ports and a
 	  parallel port.
 
 config ARCH_FOOTBRIDGE
 	bool "FootBridge"
 	select FOOTBRIDGE
+	help
+	  Support for systems based on the DC21285 companion chip
+	  ("FootBridge"), such as the Simtec CATS and the Rebel NetWinder.
 
 config ARCH_INTEGRATOR
 	bool "Integrator"
 	select ARM_AMBA
 	select ICST525
+	help
+	  Support for ARM's Integrator platform.
 
 config ARCH_IOP3XX
 	bool "IOP3xx-based"
 	select PCI
+	help
+	  Support for Intel's IOP3XX (XScale) family of processors.
 
 config ARCH_IXP4XX
 	bool "IXP4xx-based"
 	select DMABOUNCE
 	select PCI
+	help
+	  Support for Intel's IXP4XX (XScale) family of processors.
 
 config ARCH_IXP2000
 	bool "IXP2400/2800-based"
 	select PCI
+	help
+	  Support for Intel's IXP2400/2800 (XScale) family of processors.
 
 config ARCH_L7200
 	bool "LinkUp-L7200"
@@ -140,6 +157,8 @@ config ARCH_L7200
 config ARCH_PXA
 	bool "PXA2xx-based"
 	select ARCH_MTD_XIP
+	help
+	  Support for Intel's PXA2XX processor line.
 
 config ARCH_RPC
 	bool "RiscPC"
@@ -157,19 +176,24 @@ config ARCH_SA1100
 	select ISA
 	select ARCH_DISCONTIGMEM_ENABLE
 	select ARCH_MTD_XIP
+	help
+	  Support for StrongARM 11x0 based boards.
 
 config ARCH_S3C2410
 	bool "Samsung S3C2410"
 	help
 	  Samsung S3C2410X CPU based systems, such as the Simtec Electronics
 	  BAST (<http://www.simtec.co.uk/products/EB110ITX/>), the IPAQ 1940 or
-	  the Samsung SMDK2410 development board (and derviatives).
+	  the Samsung SMDK2410 development board (and derivatives).
 
 config ARCH_SHARK
 	bool "Shark"
 	select ISA
 	select ISA_DMA
 	select PCI
+	help
+	  Support for the StrongARM based Digital DNARD machine, also known
+	  as "Shark" (<http://www.shark-linux.de/shark.html>).
 
 config ARCH_LH7A40X
 	bool "Sharp LH7A40X"
@@ -181,6 +205,8 @@ config ARCH_LH7A40X
 
 config ARCH_OMAP
 	bool "TI OMAP"
+	help
+	  Support for TI's OMAP platform (OMAP1 and OMAP2).
 
 config ARCH_VERSATILE
 	bool "Versatile"
@@ -199,6 +225,8 @@ config ARCH_REALVIEW
 
 config ARCH_IMX
 	bool "IMX"
+	help
+	  Support for Motorola's i.MX family of processors (MX1, MXL).
 
 config ARCH_H720X
 	bool "Hynix-HMS720x-based"
@@ -215,8 +243,8 @@ config ARCH_AAEC2000
 config ARCH_AT91RM9200
 	bool "AT91RM9200"
 	help
-	  Say Y here if you intend to run this kernel on an AT91RM9200-based
-	  board.
+	  Say Y here if you intend to run this kernel on an Atmel
+	  AT91RM9200-based board.
 
 endchoice
 
@@ -422,8 +450,8 @@ config AEABI
 	  To use this you need GCC version 4.0.0 or later.
 
 config OABI_COMPAT
-	bool "Allow old ABI binaries to run with this kernel"
-	depends on AEABI
+	bool "Allow old ABI binaries to run with this kernel (EXPERIMENTAL)"
+	depends on AEABI && EXPERIMENTAL
 	default y
 	help
 	  This option preserves the old syscall interface along with the

arch/arm/configs/enp2611_defconfig

@@ -171,7 +171,7 @@ CONFIG_ALIGNMENT_TRAP=y
 #
 CONFIG_ZBOOT_ROM_TEXT=0x0
 CONFIG_ZBOOT_ROM_BSS=0x0
-CONFIG_CMDLINE="console=ttyS0,57600 root=/dev/nfs ip=bootp mem=64M@0x0 pci=firmware"
+CONFIG_CMDLINE="console=ttyS0,57600 root=/dev/nfs ip=bootp mem=64M@0x0"
 # CONFIG_XIP_KERNEL is not set
 
 #

arch/arm/configs/ixdp2400_defconfig

@@ -172,7 +172,7 @@ CONFIG_ALIGNMENT_TRAP=y
 #
 CONFIG_ZBOOT_ROM_TEXT=0x0
 CONFIG_ZBOOT_ROM_BSS=0x0
-CONFIG_CMDLINE="console=ttyS0,57600 root=/dev/nfs ip=bootp mem=64M@0x0 pci=firmware"
+CONFIG_CMDLINE="console=ttyS0,57600 root=/dev/nfs ip=bootp mem=64M@0x0"
 # CONFIG_XIP_KERNEL is not set
 
 #

arch/arm/configs/ixdp2401_defconfig

@@ -172,7 +172,7 @@ CONFIG_ALIGNMENT_TRAP=y
 #
 CONFIG_ZBOOT_ROM_TEXT=0x0
 CONFIG_ZBOOT_ROM_BSS=0x0
-CONFIG_CMDLINE="console=ttyS0,115200 root=/dev/nfs ip=bootp mem=64M@0x0 pci=firmware"
+CONFIG_CMDLINE="console=ttyS0,115200 root=/dev/nfs ip=bootp mem=64M@0x0"
 # CONFIG_XIP_KERNEL is not set
 
 #

arch/arm/configs/ixdp2801_defconfig

@@ -172,7 +172,7 @@ CONFIG_ALIGNMENT_TRAP=y
 #
 CONFIG_ZBOOT_ROM_TEXT=0x0
 CONFIG_ZBOOT_ROM_BSS=0x0
-CONFIG_CMDLINE="console=ttyS0,115200 root=/dev/nfs ip=bootp mem=64M@0x0 pci=firmware ixdp2x01_clock=50000000"
+CONFIG_CMDLINE="console=ttyS0,115200 root=/dev/nfs ip=bootp mem=64M@0x0"
 # CONFIG_XIP_KERNEL is not set
 
 #

arch/arm/configs/s3c2410_defconfig

 #
 # Automatically generated make config: don't edit
-# Linux kernel version: 2.6.15-rc1
-# Sun Nov 13 17:41:24 2005
+# Linux kernel version: 2.6.16-rc2
+# Mon Feb  6 11:17:23 2006
 #
 CONFIG_ARM=y
 CONFIG_MMU=y
-CONFIG_UID16=y
 CONFIG_RWSEM_GENERIC_SPINLOCK=y
 CONFIG_GENERIC_CALIBRATE_DELAY=y
 
@@ -28,27 +27,31 @@ CONFIG_SYSVIPC=y
 # CONFIG_BSD_PROCESS_ACCT is not set
 CONFIG_SYSCTL=y
 # CONFIG_AUDIT is not set
-# CONFIG_HOTPLUG is not set
-CONFIG_KOBJECT_UEVENT=y
 # CONFIG_IKCONFIG is not set
 CONFIG_INITRAMFS_SOURCE=""
+CONFIG_UID16=y
+CONFIG_CC_OPTIMIZE_FOR_SIZE=y
 # CONFIG_EMBEDDED is not set
 CONFIG_KALLSYMS=y
 # CONFIG_KALLSYMS_ALL is not set
 # CONFIG_KALLSYMS_EXTRA_PASS is not set
+CONFIG_HOTPLUG=y
 CONFIG_PRINTK=y
 CONFIG_BUG=y
+CONFIG_ELF_CORE=y
 CONFIG_BASE_FULL=y
 CONFIG_FUTEX=y
 CONFIG_EPOLL=y
-CONFIG_CC_OPTIMIZE_FOR_SIZE=y
 CONFIG_SHMEM=y
 CONFIG_CC_ALIGN_FUNCTIONS=0
 CONFIG_CC_ALIGN_LABELS=0
 CONFIG_CC_ALIGN_LOOPS=0
 CONFIG_CC_ALIGN_JUMPS=0
+CONFIG_SLAB=y
 # CONFIG_TINY_SHMEM is not set
 CONFIG_BASE_SMALL=0
+# CONFIG_SLOB is not set
+CONFIG_OBSOLETE_INTERMODULE=y
 
 #
 # Loadable module support
@@ -102,6 +105,7 @@ CONFIG_ARCH_S3C2410=y
 # CONFIG_ARCH_IMX is not set
 # CONFIG_ARCH_H720X is not set
 # CONFIG_ARCH_AAEC2000 is not set
+# CONFIG_ARCH_AT91RM9200 is not set
 
 #
 # S3C24XX Implementations
@@ -160,7 +164,6 @@ CONFIG_CPU_TLB_V4WBI=y
 # Bus support
 #
 CONFIG_ISA=y
-CONFIG_ISA_DMA_API=y
 
 #
 # PCCARD (PCMCIA/CardBus) support
@@ -172,6 +175,7 @@ CONFIG_ISA_DMA_API=y
 #
 # CONFIG_PREEMPT is not set
 # CONFIG_NO_IDLE_HZ is not set
+# CONFIG_AEABI is not set
 # CONFIG_ARCH_DISCONTIGMEM_ENABLE is not set
 CONFIG_SELECT_MEMORY_MODEL=y
 CONFIG_FLATMEM_MANUAL=y
@@ -214,6 +218,8 @@ CONFIG_BINFMT_AOUT=y
 # Power management options
 #
 CONFIG_PM=y
+CONFIG_PM_LEGACY=y
+# CONFIG_PM_DEBUG is not set
 CONFIG_APM=y
 
 #
@@ -259,6 +265,11 @@ CONFIG_TCP_CONG_BIC=y
 # SCTP Configuration (EXPERIMENTAL)
 #
 # CONFIG_IP_SCTP is not set
+
+#
+# TIPC Configuration (EXPERIMENTAL)
+#
+# CONFIG_TIPC is not set
 # CONFIG_ATM is not set
 # CONFIG_BRIDGE is not set
 # CONFIG_VLAN_8021Q is not set
@@ -276,7 +287,6 @@ CONFIG_TCP_CONG_BIC=y
 # QoS and/or fair queueing
 #
 # CONFIG_NET_SCHED is not set
-# CONFIG_NET_CLS_ROUTE is not set
 
 #
 # Network testing
@@ -299,6 +309,11 @@ CONFIG_PREVENT_FIRMWARE_BUILD=y
 # CONFIG_FW_LOADER is not set
 # CONFIG_DEBUG_DRIVER is not set
 
+#
+# Connector - unified userspace <-> kernelspace linker
+#
+# CONFIG_CONNECTOR is not set
+
 #
 # Memory Technology Devices (MTD)
 #
@@ -412,8 +427,6 @@ CONFIG_PARPORT_1284=y
 #
 # Block devices
 #
-# CONFIG_BLK_DEV_XD is not set
-# CONFIG_PARIDE is not set
 # CONFIG_BLK_DEV_COW_COMMON is not set
 CONFIG_BLK_DEV_LOOP=y
 # CONFIG_BLK_DEV_CRYPTOLOOP is not set
@@ -502,7 +515,6 @@ CONFIG_NETDEVICES=y
 CONFIG_NET_ETHERNET=y
 CONFIG_MII=y
 # CONFIG_NET_VENDOR_3COM is not set
-# CONFIG_LANCE is not set
 # CONFIG_NET_VENDOR_SMC is not set
 # CONFIG_SMC91X is not set
 CONFIG_DM9000=y
@@ -607,11 +619,11 @@ CONFIG_SERIAL_NONSTANDARD=y
 # CONFIG_ROCKETPORT is not set
 # CONFIG_CYCLADES is not set
 # CONFIG_DIGIEPCA is not set
-# CONFIG_ESPSERIAL is not set
 # CONFIG_MOXA_INTELLIO is not set
 # CONFIG_MOXA_SMARTIO is not set
 # CONFIG_ISI is not set
 # CONFIG_SYNCLINKMP is not set
+# CONFIG_SYNCLINK_GT is not set
 # CONFIG_N_HDLC is not set
 # CONFIG_RISCOM8 is not set
 # CONFIG_SPECIALIX is not set
@@ -625,6 +637,7 @@ CONFIG_SERIAL_NONSTANDARD=y
 CONFIG_SERIAL_8250=y
 CONFIG_SERIAL_8250_CONSOLE=y
 CONFIG_SERIAL_8250_NR_UARTS=8
+CONFIG_SERIAL_8250_RUNTIME_UARTS=4
 CONFIG_SERIAL_8250_EXTENDED=y
 CONFIG_SERIAL_8250_MANY_PORTS=y
 CONFIG_SERIAL_8250_SHARE_IRQ=y
@@ -687,6 +700,7 @@ CONFIG_S3C2410_RTC=y
 #
 # TPM devices
 #
+# CONFIG_TCG_TPM is not set
 # CONFIG_TELCLOCK is not set
 
 #
@@ -730,6 +744,12 @@ CONFIG_SENSORS_EEPROM=m
 # CONFIG_I2C_DEBUG_BUS is not set
 # CONFIG_I2C_DEBUG_CHIP is not set
 
+#
+# SPI support
+#
+# CONFIG_SPI is not set
+# CONFIG_SPI_MASTER is not set
+
 #
 # Hardware Monitoring support
 #
@@ -863,6 +883,7 @@ CONFIG_FS_MBCACHE=y
 # CONFIG_JFS_FS is not set
 # CONFIG_FS_POSIX_ACL is not set
 # CONFIG_XFS_FS is not set
+# CONFIG_OCFS2_FS is not set
 # CONFIG_MINIX_FS is not set
 CONFIG_ROMFS_FS=y
 CONFIG_INOTIFY=y
@@ -897,6 +918,7 @@ CONFIG_SYSFS=y
 # CONFIG_HUGETLB_PAGE is not set
 CONFIG_RAMFS=y
 # CONFIG_RELAYFS_FS is not set
+# CONFIG_CONFIGFS_FS is not set
 
 #
 # Miscellaneous filesystems
@@ -965,6 +987,7 @@ CONFIG_SOLARIS_X86_PARTITION=y
 # CONFIG_SGI_PARTITION is not set
 # CONFIG_ULTRIX_PARTITION is not set
 # CONFIG_SUN_PARTITION is not set
+# CONFIG_KARMA_PARTITION is not set
 # CONFIG_EFI_PARTITION is not set
 
 #
@@ -1020,12 +1043,13 @@ CONFIG_NLS_DEFAULT="iso8859-1"
 # Kernel hacking
 #
 # CONFIG_PRINTK_TIME is not set
-CONFIG_DEBUG_KERNEL=y
 CONFIG_MAGIC_SYSRQ=y
+CONFIG_DEBUG_KERNEL=y
 CONFIG_LOG_BUF_SHIFT=16
 CONFIG_DETECT_SOFTLOCKUP=y
 # CONFIG_SCHEDSTATS is not set
 # CONFIG_DEBUG_SLAB is not set
+CONFIG_DEBUG_MUTEXES=y
 # CONFIG_DEBUG_SPINLOCK is not set
 # CONFIG_DEBUG_SPINLOCK_SLEEP is not set
 # CONFIG_DEBUG_KOBJECT is not set
@@ -1034,6 +1058,7 @@ CONFIG_DEBUG_INFO=y
 # CONFIG_DEBUG_FS is not set
 # CONFIG_DEBUG_VM is not set
 CONFIG_FRAME_POINTER=y
+CONFIG_FORCED_INLINING=y
 # CONFIG_RCU_TORTURE_TEST is not set
 CONFIG_DEBUG_USER=y
 # CONFIG_DEBUG_WAITQ is not set

arch/arm/kernel/calls.S

@@ -291,21 +291,21 @@
 		CALL(sys_mq_getsetattr)
 /* 280 */	CALL(sys_waitid)
 		CALL(sys_socket)
-		CALL(sys_bind)
-		CALL(sys_connect)
+		CALL(ABI(sys_bind, sys_oabi_bind))
+		CALL(ABI(sys_connect, sys_oabi_connect))
 		CALL(sys_listen)
 /* 285 */	CALL(sys_accept)
 		CALL(sys_getsockname)
 		CALL(sys_getpeername)
 		CALL(sys_socketpair)
 		CALL(sys_send)
-/* 290 */	CALL(sys_sendto)
+/* 290 */	CALL(ABI(sys_sendto, sys_oabi_sendto))
 		CALL(sys_recv)
 		CALL(sys_recvfrom)
 		CALL(sys_shutdown)
 		CALL(sys_setsockopt)
 /* 295 */	CALL(sys_getsockopt)
-		CALL(sys_sendmsg)
+		CALL(ABI(sys_sendmsg, sys_oabi_sendmsg))
 		CALL(sys_recvmsg)
 		CALL(ABI(sys_semop, sys_oabi_semop))
 		CALL(sys_semget)

arch/arm/kernel/entry-armv.S

@@ -333,9 +333,13 @@ __pabt_svc:
 					@ from the exception stack
 
 #if __LINUX_ARM_ARCH__ < 6 && !defined(CONFIG_NEEDS_SYSCALL_FOR_CMPXCHG)
+#ifndef CONFIG_MMU
+#warning "NPTL on non MMU needs fixing"
+#else
 	@ make sure our user space atomic helper is aborted
 	cmp	r2, #TASK_SIZE
 	bichs	r3, r3, #PSR_Z_BIT
+#endif
 #endif
 
 	@
@@ -705,7 +709,12 @@ __kuser_memory_barrier:				@ 0xffff0fa0
  * The C flag is also set if *ptr was changed to allow for assembly
  * optimization in the calling code.
  *
- * Note: this routine already includes memory barriers as needed.
+ * Notes:
+ *
+ *    - This routine already includes memory barriers as needed.
+ *
+ *    - A failure might be transient, i.e. it is possible, although unlikely,
+ *      that "failure" be returned even if *ptr == oldval.
  *
  * For example, a user space atomic_add implementation could look like this:
  *
@@ -756,12 +765,18 @@ __kuser_cmpxchg:				@ 0xffff0fc0
 	 * exception happening just after the str instruction which would
 	 * clear the Z flag although the exchange was done.
 	 */
+#ifdef CONFIG_MMU
 	teq	ip, ip			@ set Z flag
 	ldr	ip, [r2]		@ load current val
 	add	r3, r2, #1		@ prepare store ptr
 	teqeq	ip, r0			@ compare with oldval if still allowed
 	streq	r1, [r3, #-1]!		@ store newval if still allowed
 	subs	r0, r2, r3		@ if r2 == r3 the str occured
+#else
+#warning "NPTL on non MMU needs fixing"
+	mov	r0, #-1
+	adds	r0, r0, #0
+#endif
 	mov	pc, lr
 
 #else

arch/arm/kernel/sys_oabi-compat.c

@@ -59,6 +59,16 @@
  *   struct sembuf loses its padding with EABI.  Since arrays of them are
  *   used they have to be copyed to remove the padding. Compatibility wrappers
  *   provided below.
+ *
+ * sys_bind:
+ * sys_connect:
+ * sys_sendmsg:
+ * sys_sendto:
+ *
+ *   struct sockaddr_un loses its padding with EABI.  Since the size of the
+ *   structure is used as a validation test in unix_mkname(), we need to
+ *   change the length argument to 110 whenever it is 112.  Compatibility
+ *   wrappers provided below.
  */
 
 #include <linux/syscalls.h>
@@ -67,6 +77,7 @@
 #include <linux/fcntl.h>
 #include <linux/eventpoll.h>
 #include <linux/sem.h>
+#include <linux/socket.h>
 #include <asm/ipc.h>
 #include <asm/uaccess.h>
 
@@ -337,3 +348,63 @@ asmlinkage int sys_oabi_ipc(uint call, int first, int second, int third,
 		return sys_ipc(call, first, second, third, ptr, fifth);
 	}
 }
+
+asmlinkage long sys_oabi_bind(int fd, struct sockaddr __user *addr, int addrlen)
+{
+	sa_family_t sa_family;
+	if (addrlen == 112 &&
+	    get_user(sa_family, &addr->sa_family) == 0 &&
+	    sa_family == AF_UNIX)
+			addrlen = 110;
+	return sys_bind(fd, addr, addrlen);
+}
+
+asmlinkage long sys_oabi_connect(int fd, struct sockaddr __user *addr, int addrlen)
+{
+	sa_family_t sa_family;
+	if (addrlen == 112 &&
+	    get_user(sa_family, &addr->sa_family) == 0 &&
+	    sa_family == AF_UNIX)
+			addrlen = 110;
+	return sys_connect(fd, addr, addrlen);
+}
+
+asmlinkage long sys_oabi_sendto(int fd, void __user *buff,
+				size_t len, unsigned flags,
+				struct sockaddr __user *addr,
+				int addrlen)
+{
+	sa_family_t sa_family;
+	if (addrlen == 112 &&
+	    get_user(sa_family, &addr->sa_family) == 0 &&
+	    sa_family == AF_UNIX)
+			addrlen = 110;
+	return sys_sendto(fd, buff, len, flags, addr, addrlen);
+}
+
+asmlinkage long sys_oabi_sendmsg(int fd, struct msghdr __user *msg, unsigned flags)
+{
+	struct sockaddr __user *addr;
+	int msg_namelen;
+	sa_family_t sa_family;
+	if (msg &&
+	    get_user(msg_namelen, &msg->msg_namelen) == 0 &&
+	    msg_namelen == 112 &&
+	    get_user(addr, &msg->msg_name) == 0 &&
+	    get_user(sa_family, &addr->sa_family) == 0 &&
+	    sa_family == AF_UNIX)
+	{
+		/*
+		 * HACK ALERT: there is a limit to how much backward bending
+		 * we should do for what is actually a transitional
+		 * compatibility layer.  This already has known flaws with
+		 * a few ioctls that we don't intend to fix.  Therefore
+		 * consider this blatent hack as another one... and take care
+		 * to run for cover.  In most cases it will "just work fine".
+		 * If it doesn't, well, tough.
+		 */
+		put_user(110, &msg->msg_namelen);
+	}
+	return sys_sendmsg(fd, msg, flags);
+}
+

arch/arm/mach-clps711x/Kconfig

@@ -24,6 +24,8 @@ config ARCH_CEIVA
 
 config ARCH_CLEP7312
 	bool "CLEP7312"
+	help
+	  Boards based on the Cirrus Logic 7212/7312 chips.
 
 config ARCH_EDB7211
 	bool "EDB7211"

arch/arm/mach-ixp2000/enp2611.c

@@ -106,6 +106,7 @@ static void __init enp2611_pci_preinit(void)
 {
 	ixp2000_reg_write(IXP2000_PCI_ADDR_EXT, 0x00100000);
 	ixp2000_pci_preinit();
+	pcibios_setup("firmware");
 }
 
 static inline int enp2611_pci_valid_device(struct pci_bus *bus,

arch/arm/mach-ixp2000/ixdp2400.c

@@ -68,6 +68,7 @@ void __init ixdp2400_pci_preinit(void)
 {
 	ixp2000_reg_write(IXP2000_PCI_ADDR_EXT, 0x00100000);
 	ixp2000_pci_preinit();
+	pcibios_setup("firmware");
 }
 
 int ixdp2400_pci_setup(int nr, struct pci_sys_data *sys)

arch/arm/mach-ixp2000/ixdp2x01.c

@@ -212,6 +212,7 @@ void __init ixdp2x01_pci_preinit(void)
 {
 	ixp2000_reg_write(IXP2000_PCI_ADDR_EXT, 0x00000000);
 	ixp2000_pci_preinit();
+	pcibios_setup("firmware");
 }
 
 #define DEVPIN(dev, pin) ((pin) | ((dev) << 3))
@@ -299,7 +300,9 @@ struct hw_pci ixdp2x01_pci __initdata = {
 
 int __init ixdp2x01_pci_init(void)
 {
+	if (machine_is_ixdp2401() || machine_is_ixdp2801())
 		pci_common_init(&ixdp2x01_pci);
+
 	return 0;
 }
 

arch/arm/mach-omap1/board-generic.c

@@ -30,6 +30,7 @@
 
 static void __init omap_generic_init_irq(void)
 {
+	omap1_init_common_hw();
 	omap_init_irq();
 }
 
@@ -104,7 +105,7 @@ static void __init omap_generic_init(void)
 
 static void __init omap_generic_map_io(void)
 {
-	omap_map_common_io();
+	omap1_map_common_io();
 }
 
 MACHINE_START(OMAP_GENERIC, "Generic OMAP1510/1610/1710")

arch/arm/mach-omap1/board-h2.c

@@ -128,6 +128,7 @@ static void __init h2_init_smc91x(void)
 
 static void __init h2_init_irq(void)
 {
+	omap1_init_common_hw();
 	omap_init_irq();
 	omap_gpio_init();
 	h2_init_smc91x();
@@ -194,7 +195,7 @@ static void __init h2_init(void)
 
 static void __init h2_map_io(void)
 {
-	omap_map_common_io();
+	omap1_map_common_io();
 }
 
 MACHINE_START(OMAP_H2, "TI-H2")

arch/arm/mach-omap1/board-h3.c

@@ -203,6 +203,7 @@ static void __init h3_init_smc91x(void)
 
 void h3_init_irq(void)
 {
+	omap1_init_common_hw();
 	omap_init_irq();
 	omap_gpio_init();
 	h3_init_smc91x();
@@ -210,7 +211,7 @@ void h3_init_irq(void)
 
 static void __init h3_map_io(void)
 {
-	omap_map_common_io();
+	omap1_map_common_io();
 }
 
 MACHINE_START(OMAP_H3, "TI OMAP1710 H3 board")

arch/arm/mach-omap1/board-innovator.c

@@ -181,6 +181,7 @@ static void __init innovator_init_smc91x(void)
 
 void innovator_init_irq(void)
 {
+	omap1_init_common_hw();
 	omap_init_irq();
 	omap_gpio_init();
 #ifdef CONFIG_ARCH_OMAP15XX
@@ -285,7 +286,7 @@ static void __init innovator_init(void)
 
 static void __init innovator_map_io(void)
 {
-	omap_map_common_io();
+	omap1_map_common_io();
 
 #ifdef CONFIG_ARCH_OMAP15XX
 	if (cpu_is_omap1510()) {

arch/arm/mach-omap1/board-netstar.c

@@ -65,6 +65,7 @@ static struct omap_board_config_kernel netstar_config[] = {
 
 static void __init netstar_init_irq(void)
 {
+	omap1_init_common_hw();
 	omap_init_irq();
 	omap_gpio_init();
 }
@@ -108,7 +109,7 @@ static void __init netstar_init(void)
 
 static void __init netstar_map_io(void)
 {
-	omap_map_common_io();
+	omap1_map_common_io();
 }
 
 #define MACHINE_PANICED		1

arch/arm/mach-omap1/board-osk.c

@@ -169,6 +169,7 @@ static void __init osk_init_cf(void)
 
 static void __init osk_init_irq(void)
 {
+	omap1_init_common_hw();
 	omap_init_irq();
 	omap_gpio_init();
 	osk_init_smc91x();
@@ -269,7 +270,7 @@ static void __init osk_init(void)
 
 static void __init osk_map_io(void)
 {
-	omap_map_common_io();
+	omap1_map_common_io();
 }
 
 MACHINE_START(OMAP_OSK, "TI-OSK")

arch/arm/mach-omap1/board-palmte.c

@@ -34,6 +34,7 @@
 
 static void __init omap_generic_init_irq(void)
 {
+	omap1_init_common_hw();
 	omap_init_irq();
 }
 
@@ -72,7 +73,7 @@ static void __init omap_generic_init(void)
 
 static void __init omap_generic_map_io(void)
 {
-	omap_map_common_io();
+	omap1_map_common_io();
 }
 
 MACHINE_START(OMAP_PALMTE, "OMAP310 based Palm Tungsten E")

arch/arm/mach-omap1/board-perseus2.c

@@ -144,6 +144,7 @@ static void __init perseus2_init_smc91x(void)
 
 void omap_perseus2_init_irq(void)
 {
+	omap1_init_common_hw();
 	omap_init_irq();
 	omap_gpio_init();
 	perseus2_init_smc91x();
@@ -160,7 +161,7 @@ static struct map_desc omap_perseus2_io_desc[] __initdata = {
 
 static void __init omap_perseus2_map_io(void)
 {
-	omap_map_common_io();
+	omap1_map_common_io();
 	iotable_init(omap_perseus2_io_desc,
 		     ARRAY_SIZE(omap_perseus2_io_desc));
 

arch/arm/mach-omap1/board-voiceblue.c

@@ -162,6 +162,7 @@ static struct omap_board_config_kernel voiceblue_config[] = {
 
 static void __init voiceblue_init_irq(void)
 {
+	omap1_init_common_hw();
 	omap_init_irq();
 	omap_gpio_init();
 }
@@ -206,7 +207,7 @@ static void __init voiceblue_init(void)
 
 static void __init voiceblue_map_io(void)
 {
-	omap_map_common_io();
+	omap1_map_common_io();
 }
 
 #define MACHINE_PANICED		1

arch/arm/mach-omap1/io.c

@@ -13,6 +13,7 @@
 #include <linux/kernel.h>
 #include <linux/init.h>
 
+#include <asm/tlb.h>
 #include <asm/mach/map.h>
 #include <asm/io.h>
 #include <asm/arch/mux.h>
@@ -83,15 +84,24 @@ static struct map_desc omap16xx_io_desc[] __initdata = {
 };
 #endif
 
-static int initialized = 0;
-
-static void __init _omap_map_io(void)
+/*
+ * Maps common IO regions for omap1. This should only get called from
+ * board specific init.
+ */
+void __init omap1_map_common_io(void)
 {
-	initialized = 1;
-
-	/* We have to initialize the IO space mapping before we can run
-	 * cpu_is_omapxxx() macros. */
 	iotable_init(omap_io_desc, ARRAY_SIZE(omap_io_desc));
+
+	/* Normally devicemaps_init() would flush caches and tlb after
+	 * mdesc->map_io(), but we must also do it here because of the CPU
+	 * revision check below.
+	 */
+	local_flush_tlb_all();
+	flush_cache_all();
+
+	/* We want to check CPU revision early for cpu_is_omapxxxx() macros.
+	 * IO space mapping must be initialized before we can do that.
+	 */
 	omap_check_revision();
 
 #ifdef CONFIG_ARCH_OMAP730
@@ -111,7 +121,14 @@ static void __init _omap_map_io(void)
 #endif
 
 	omap_sram_init();
+}
 
+/*
+ * Common low-level hardware init for omap1. This should only get called from
+ * board specific init.
+ */
+void __init omap1_init_common_hw()
+{
 	/* REVISIT: Refer to OMAP5910 Errata, Advisory SYS_1: "Timeout Abort
 	 * on a Posted Write in the TIPB Bridge".
 	 */
@@ -121,16 +138,7 @@ static void __init _omap_map_io(void)
 	/* Must init clocks early to assure that timer interrupt works
 	 */
 	omap1_clk_init();
-}
 
-/*
- * This should only get called from board specific init
- */
-void __init omap_map_common_io(void)
-{
-	if (!initialized) {
-		_omap_map_io();
 	omap1_mux_init();
-	}
 }
 

arch/arm/mach-omap2/board-generic.c

@@ -33,6 +33,7 @@
 
 static void __init omap_generic_init_irq(void)
 {
+	omap2_init_common_hw();
 	omap_init_irq();
 }
 
@@ -64,7 +65,7 @@ static void __init omap_generic_init(void)
 
 static void __init omap_generic_map_io(void)
 {
-	omap_map_common_io();
+	omap2_map_common_io();
 }
 
 MACHINE_START(OMAP_GENERIC, "Generic OMAP24xx")

arch/arm/mach-omap2/board-h4.c

@@ -136,6 +136,7 @@ static inline void __init h4_init_smc91x(void)
 
 static void __init omap_h4_init_irq(void)
 {
+	omap2_init_common_hw();
 	omap_init_irq();
 	omap_gpio_init();
 	h4_init_smc91x();
@@ -181,7 +182,7 @@ static void __init omap_h4_init(void)
 
 static void __init omap_h4_map_io(void)
 {
-	omap_map_common_io();
+	omap2_map_common_io();
 }
 
 MACHINE_START(OMAP_H4, "OMAP2420 H4 board")

arch/arm/mach-realview/core.c

@@ -182,7 +182,7 @@ static const struct icst307_params realview_oscvco_params = {
 static void realview_oscvco_set(struct clk *clk, struct icst307_vco vco)
 {
 	void __iomem *sys_lock = __io_address(REALVIEW_SYS_BASE) + REALVIEW_SYS_LOCK_OFFSET;
-	void __iomem *sys_osc = __io_address(REALVIEW_SYS_BASE) + REALVIEW_SYS_OSC1_OFFSET;
+	void __iomem *sys_osc = __io_address(REALVIEW_SYS_BASE) + REALVIEW_SYS_OSC4_OFFSET;
 	u32 val;
 
 	val = readl(sys_osc) & ~0x7ffff;

arch/arm/mach-s3c2410/clock.c

@@ -40,7 +40,6 @@
 #include <linux/mutex.h>
 
 #include <asm/hardware.h>
-#include <asm/atomic.h>
 #include <asm/irq.h>
 #include <asm/io.h>
 
@@ -59,22 +58,18 @@ static DEFINE_MUTEX(clocks_mutex);
 void inline s3c24xx_clk_enable(unsigned int clocks, unsigned int enable)
 {
 	unsigned long clkcon;
-	unsigned long flags;
-
-	local_irq_save(flags);
 
 	clkcon = __raw_readl(S3C2410_CLKCON);
-	clkcon &= ~clocks;
 
 	if (enable)
 		clkcon |= clocks;
+	else
+		clkcon &= ~clocks;
 
 	/* ensure none of the special function bits set */
 	clkcon &= ~(S3C2410_CLKCON_IDLE|S3C2410_CLKCON_POWER);
 
 	__raw_writel(clkcon, S3C2410_CLKCON);
-
-	local_irq_restore(flags);
 }
 
 /* enable and disable calls for use with the clk struct */
@@ -138,16 +133,32 @@ void clk_put(struct clk *clk)
 
 int clk_enable(struct clk *clk)
 {
-	if (IS_ERR(clk))
+	if (IS_ERR(clk) || clk == NULL)
 		return -EINVAL;
 
-	return (clk->enable)(clk, 1);
+	clk_enable(clk->parent);
+
+	mutex_lock(&clocks_mutex);
+
+	if ((clk->usage++) == 0)
+		(clk->enable)(clk, 1);
+
+	mutex_unlock(&clocks_mutex);
+	return 0;
 }
 
 void clk_disable(struct clk *clk)
 {
-	if (!IS_ERR(clk))
+	if (IS_ERR(clk) || clk == NULL)
+		return;
+
+	mutex_lock(&clocks_mutex);
+
+	if ((--clk->usage) == 0)
 		(clk->enable)(clk, 0);
+
+	mutex_unlock(&clocks_mutex);
+	clk_disable(clk->parent);
 }
 
 
@@ -361,6 +372,14 @@ int s3c24xx_register_clock(struct clk *clk)
 	if (clk->enable == NULL)
 		clk->enable = clk_null_enable;
 
+	/* if this is a standard clock, set the usage state */
+
+	if (clk->ctrlbit) {
+		unsigned long clkcon = __raw_readl(S3C2410_CLKCON);
+
+		clk->usage = (clkcon & clk->ctrlbit) ? 1 : 0;
+	}
+
 	/* add to the list of available clocks */
 
 	mutex_lock(&clocks_mutex);
@@ -402,6 +421,8 @@ int __init s3c24xx_setup_clocks(unsigned long xtal,
 	 * the LCD clock if it is not needed.
 	*/
 
+	mutex_lock(&clocks_mutex);
+
 	s3c24xx_clk_enable(S3C2410_CLKCON_NAND, 0);
 	s3c24xx_clk_enable(S3C2410_CLKCON_USBH, 0);
 	s3c24xx_clk_enable(S3C2410_CLKCON_USBD, 0);
@@ -409,6 +430,8 @@ int __init s3c24xx_setup_clocks(unsigned long xtal,
 	s3c24xx_clk_enable(S3C2410_CLKCON_IIC, 0);
 	s3c24xx_clk_enable(S3C2410_CLKCON_SPI, 0);
 
+	mutex_unlock(&clocks_mutex);
+
 	/* assume uart clocks are correctly setup */
 
 	/* register our clocks */

arch/arm/mach-s3c2410/clock.h

@@ -16,6 +16,7 @@ struct clk {
 	struct clk           *parent;
 	const char           *name;
 	int		      id;
+	int		      usage;
 	unsigned long         rate;
 	unsigned long         ctrlbit;
 	int		    (*enable)(struct clk *, int enable);

arch/arm/mach-s3c2410/devs.c

@@ -275,6 +275,11 @@ static struct resource s3c_adc_resource[] = {
 	},
 	[1] = {
 		.start = IRQ_TC,
+		.end   = IRQ_TC,
+		.flags = IORESOURCE_IRQ,
+	},
+	[2] = {
+		.start = IRQ_ADC,
 		.end   = IRQ_ADC,
 		.flags = IORESOURCE_IRQ,
 	}

arch/arm/plat-omap/sram.c

@@ -17,6 +17,7 @@
 #include <linux/init.h>
 
 #include <asm/mach/map.h>
+#include <asm/tlb.h>
 #include <asm/io.h>
 #include <asm/cacheflush.h>
 
@@ -95,6 +96,14 @@ void __init omap_map_sram(void)
 	       omap_sram_io_desc[0].pfn, omap_sram_io_desc[0].virtual,
 	       omap_sram_io_desc[0].length);
 
+	/*
+	 * Normally devicemaps_init() would flush caches and tlb after
+	 * mdesc->map_io(), but since we're called from map_io(), we
+	 * must do it here.
+	 */
+	local_flush_tlb_all();
+	flush_cache_all();
+
 	/*
 	 * Looks like we need to preserve some bootloader code at the
 	 * beginning of SRAM for jumping to flash for reboot to work...

drivers/serial/s3c2410.c

@@ -161,7 +161,11 @@ s3c24xx_serial_dbg(const char *fmt, ...)
 
 /* we can support 3 uarts, but not always use them */
 
+#ifdef CONFIG_CPU_S3C2400
+#define NR_PORTS (2)
+#else
 #define NR_PORTS (3)
+#endif
 
 /* port irq numbers */
 

include/asm-arm/arch-omap/io.h

@@ -116,7 +116,11 @@ typedef struct { volatile u32 offset[4096]; } __regbase32;
 					->offset[((vaddr)&4095)>>2]
 #define __REG32(paddr)		__REGV32(io_p2v(paddr))
 
-extern void omap_map_common_io(void);
+extern void omap1_map_common_io(void);
+extern void omap1_init_common_hw(void);
+
+extern void omap2_map_common_io(void);
+extern void omap2_init_common_hw(void);
 
 #else
 

include/asm-arm/mutex.h

@@ -23,72 +23,71 @@
  * simply bail out immediately through the slow path where the lock will be
  * reattempted until it succeeds.
  */
-#define __mutex_fastpath_lock(count, fail_fn)				\
-do {									\
-	int __ex_flag, __res;						\
-									\
-	typecheck(atomic_t *, count);					\
-	typecheck_fn(fastcall void (*)(atomic_t *), fail_fn);		\
-									\
-	__asm__ (							\
-		"ldrex	%0, [%2]	\n"				\
-		"sub	%0, %0, #1	\n"				\
-		"strex	%1, %0, [%2]	\n"				\
-									\
-		: "=&r" (__res), "=&r" (__ex_flag)			\
-		: "r" (&(count)->counter)				\
-		: "cc","memory" );					\
-									\
-	if (unlikely(__res || __ex_flag))				\
-		fail_fn(count);						\
-} while (0)
-
-#define __mutex_fastpath_lock_retval(count, fail_fn)			\
-({									\
-	int __ex_flag, __res;						\
-									\
-	typecheck(atomic_t *, count);					\
-	typecheck_fn(fastcall int (*)(atomic_t *), fail_fn);		\
-									\
-	__asm__ (							\
-		"ldrex	%0, [%2]	\n"				\
-		"sub	%0, %0, #1	\n"				\
-		"strex	%1, %0, [%2]	\n"				\
-									\
-		: "=&r" (__res), "=&r" (__ex_flag)			\
-		: "r" (&(count)->counter)				\
-		: "cc","memory" );					\
-									\
-	__res |= __ex_flag;						\
-	if (unlikely(__res != 0))					\
-		__res = fail_fn(count);					\
-	__res;								\
-})
+static inline void
+__mutex_fastpath_lock(atomic_t *count, fastcall void (*fail_fn)(atomic_t *))
+{
+	int __ex_flag, __res;
+
+	__asm__ (
+
+		"ldrex	%0, [%2]	\n\t"
+		"sub	%0, %0, #1	\n\t"
+		"strex	%1, %0, [%2]	"
+
+		: "=&r" (__res), "=&r" (__ex_flag)
+		: "r" (&(count)->counter)
+		: "cc","memory" );
+
+	__res |= __ex_flag;
+	if (unlikely(__res != 0))
+		fail_fn(count);
+}
+
+static inline int
+__mutex_fastpath_lock_retval(atomic_t *count, fastcall int (*fail_fn)(atomic_t *))
+{
+	int __ex_flag, __res;
+
+	__asm__ (
+
+		"ldrex	%0, [%2]	\n\t"
+		"sub	%0, %0, #1	\n\t"
+		"strex	%1, %0, [%2]	"
+
+		: "=&r" (__res), "=&r" (__ex_flag)
+		: "r" (&(count)->counter)
+		: "cc","memory" );
+
+	__res |= __ex_flag;
+	if (unlikely(__res != 0))
+		__res = fail_fn(count);
+	return __res;
+}
 
 /*
  * Same trick is used for the unlock fast path. However the original value,
  * rather than the result, is used to test for success in order to have
  * better generated assembly.
  */
-#define __mutex_fastpath_unlock(count, fail_fn)				\
-do {									\
-	int __ex_flag, __res, __orig;					\
-									\
-	typecheck(atomic_t *, count);					\
-	typecheck_fn(fastcall void (*)(atomic_t *), fail_fn);		\
-									\
-	__asm__ (							\
-		"ldrex	%0, [%3]	\n"				\
-		"add	%1, %0, #1	\n"				\
-		"strex	%2, %1, [%3]	\n"				\
-									\
-		: "=&r" (__orig), "=&r" (__res), "=&r" (__ex_flag)	\
-		: "r" (&(count)->counter)				\
-		: "cc","memory" );					\
-									\
-	if (unlikely(__orig || __ex_flag))				\
-		fail_fn(count);						\
-} while (0)
+static inline void
+__mutex_fastpath_unlock(atomic_t *count, fastcall void (*fail_fn)(atomic_t *))
+{
+	int __ex_flag, __res, __orig;
+
+	__asm__ (
+
+		"ldrex	%0, [%3]	\n\t"
+		"add	%1, %0, #1	\n\t"
+		"strex	%2, %1, [%3]	"
+
+		: "=&r" (__orig), "=&r" (__res), "=&r" (__ex_flag)
+		: "r" (&(count)->counter)
+		: "cc","memory" );
+
+	__orig |= __ex_flag;
+	if (unlikely(__orig != 0))
+		fail_fn(count);
+}
 
 /*
  * If the unlock was done on a contended lock, or if the unlock simply fails
@@ -110,12 +109,12 @@ __mutex_fastpath_trylock(atomic_t *count, int (*fail_fn)(atomic_t *))
 
 	__asm__ (
 
-		"1: ldrex	%0, [%3]	\n"
-		"subs		%1, %0, #1	\n"
-		"strexeq	%2, %1, [%3]	\n"
-		"movlt		%0, #0		\n"
-		"cmpeq		%2, #0		\n"
-		"bgt		1b		\n"
+		"1: ldrex	%0, [%3]	\n\t"
+		"subs		%1, %0, #1	\n\t"
+		"strexeq	%2, %1, [%3]	\n\t"
+		"movlt		%0, #0		\n\t"
+		"cmpeq		%2, #0		\n\t"
+		"bgt		1b		"
 
 		: "=&r" (__orig), "=&r" (__res), "=&r" (__ex_flag)
 		: "r" (&count->counter)