Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6:
  [SPARC64]: Add regs_return_value().
  [SPARC64]: Kill pcic_present().
  [SPARC]: Kill 'prom_palette'.
  [ATYFB]: Kill 'prom_palette' sparc code.
  [SPARC64]: Kill 'prom_keyboard'.
  [SPARC]: Kill extern decl of 'panic_setup'.
  [SPARC64]: Delete 'boot_flags'.
  [SPARC64]: Kill unused function 'kernel_enter_debugger'.
  [SPARC64] arch/sparc64/kernel/unaligned.c: Use time_* macros
  [SPARC64]: Always register a PROM based early console.
  [SPARC64]: Update defconfig.
  [SPARC64]: Add -mtune=ultrasparc3 if possible.
  [SPARC64]: Remove Makefile code for ancient gcc and binutils.
  [SPARC64]: Remove DEBUG_BOOTMEM.
  [SPARC64]: Use shorter "get_zeroed_page" call.
  [SPARC]: Use shorter form of "get_zeroed_page".
  [SPARC]: video/cg14.c and video/sbuslib.c build fixes

arch/sparc/kernel/process.c

@@ -141,16 +141,12 @@ void cpu_idle(void)
 
 extern char reboot_command [];
 
-extern void (*prom_palette)(int);
-
 /* XXX cli/sti -> local_irq_xxx here, check this works once SMP is fixed. */
 void machine_halt(void)
 {
 	local_irq_enable();
 	mdelay(8);
 	local_irq_disable();
-	if (prom_palette)
-		prom_palette (1);
 	prom_halt();
 	panic("Halt failed!");
 }
@@ -165,8 +161,6 @@ void machine_restart(char * cmd)
 
 	p = strchr (reboot_command, '\n');
 	if (p) *p = 0;
-	if (prom_palette)
-		prom_palette (1);
 	if (cmd)
 		prom_reboot(cmd);
 	if (*reboot_command)

arch/sparc/kernel/setup.c

@@ -65,7 +65,6 @@ struct screen_info screen_info = {
  */
 
 extern unsigned long trapbase;
-void (*prom_palette)(int);
 
 /* Pretty sick eh? */
 void prom_sync_me(void)
@@ -80,8 +79,6 @@ void prom_sync_me(void)
 			     "nop\n\t"
 			     "nop\n\t" : : "r" (&trapbase));
 
-	if (prom_palette)
-		prom_palette(1);
 	prom_printf("PROM SYNC COMMAND...\n");
 	show_free_areas();
 	if(current->pid != 0) {
@@ -191,7 +188,6 @@ extern int prom_probe_memory(void);
 extern void sun4c_probe_vac(void);
 extern char cputypval;
 extern unsigned long start, end;
-extern void panic_setup(char *, int *);
 
 extern unsigned short root_flags;
 extern unsigned short root_dev;

arch/sparc/mm/sun4c.c

@@ -1941,9 +1941,7 @@ static pte_t *sun4c_pte_alloc_one_kernel(struct mm_struct *mm, unsigned long add
 	if ((pte = sun4c_pte_alloc_one_fast(mm, address)) != NULL)
 		return pte;
 
-	pte = (pte_t *)__get_free_page(GFP_KERNEL|__GFP_REPEAT);
-	if (pte)
-		memset(pte, 0, PAGE_SIZE);
+	pte = (pte_t *)get_zeroed_page(GFP_KERNEL|__GFP_REPEAT);
 	return pte;
 }
 

arch/sparc/prom/misc.c

@@ -45,9 +45,6 @@ prom_feval(char *fstring)
 	spin_unlock_irqrestore(&prom_lock, flags);
 }
 
-/* We want to do this more nicely some day. */
-extern void (*prom_palette)(int);
-
 /* Drop into the prom, with the chance to continue with the 'go'
  * prom command.
  */
@@ -58,8 +55,6 @@ prom_cmdline(void)
 	extern void install_linux_ticker(void);
 	unsigned long flags;
 
-	if (prom_palette)
-		prom_palette (1);
 	spin_lock_irqsave(&prom_lock, flags);
 	install_obp_ticker();
 	(*(romvec->pv_abort))();
@@ -69,8 +64,6 @@ prom_cmdline(void)
 #ifdef CONFIG_SUN_AUXIO
 	set_auxio(AUXIO_LED, 0);
 #endif
-	if (prom_palette)
-		prom_palette (0);
 }
 
 /* Drop into the prom, but completely terminate the program.

arch/sparc64/Kconfig.debug

@@ -23,10 +23,6 @@ config STACK_DEBUG
 	depends on DEBUG_KERNEL
 	bool "Stack Overflow Detection Support"
 
-config DEBUG_BOOTMEM
-	depends on DEBUG_KERNEL
-	bool "Debug BOOTMEM initialization"
-
 config DEBUG_PAGEALLOC
 	bool "Debug page memory allocations"
 	depends on DEBUG_KERNEL && !HIBERNATION

arch/sparc64/Makefile

@@ -12,39 +12,13 @@ CHECKFLAGS	+= -D__sparc__ -D__sparc_v9__ -m64
 
 CPPFLAGS_vmlinux.lds += -Usparc
 
-CC		:= $(shell if $(CC) -m64 -S -o /dev/null -xc /dev/null >/dev/null 2>&1; then echo $(CC); else echo sparc64-linux-gcc; fi )
-
-NEW_GCC := $(call cc-option-yn, -m64 -mcmodel=medlow)
-NEW_GAS := $(shell if $(LD) -V 2>&1 | grep 'elf64_sparc' > /dev/null; then echo y; else echo n; fi)
-UNDECLARED_REGS := $(shell if $(CC) -c -x assembler /dev/null -Wa,--help | grep undeclared-regs > /dev/null; then echo y; else echo n; fi; )
-
-ifneq ($(NEW_GAS),y)
-AS		= sparc64-linux-as
-LD		= sparc64-linux-ld
-NM		= sparc64-linux-nm
-AR		= sparc64-linux-ar
-RANLIB		= sparc64-linux-ranlib
-else
-AS		:= $(AS) -64
 LDFLAGS		:= -m elf64_sparc
-endif
 
-ifneq ($(UNDECLARED_REGS),y)
-CC_UNDECL	=
-else
-CC_UNDECL	= -Wa,--undeclared-regs
-AS		:= $(AS) --undeclared-regs
-endif
-
-ifneq ($(NEW_GCC),y)
-  KBUILD_CFLAGS += -pipe -mno-fpu -mtune=ultrasparc -mmedlow \
-	    -ffixed-g4 -ffixed-g5 -fcall-used-g7 -Wno-sign-compare
-else
-  KBUILD_CFLAGS += -m64 -pipe -mno-fpu -mcpu=ultrasparc -mcmodel=medlow \
-	    -ffixed-g4 -ffixed-g5 -fcall-used-g7 -Wno-sign-compare \
-	    $(CC_UNDECL)
-  KBUILD_AFLAGS += -m64 -mcpu=ultrasparc $(CC_UNDECL)
-endif
+KBUILD_CFLAGS += -m64 -pipe -mno-fpu -mcpu=ultrasparc -mcmodel=medlow \
+	-ffixed-g4 -ffixed-g5 -fcall-used-g7 -Wno-sign-compare \
+	-Wa,--undeclared-regs
+KBUILD_CFLAGS += $(call cc-option,-mtune=ultrasparc3)
+KBUILD_AFLAGS += -m64 -mcpu=ultrasparc -Wa,--undeclared-regs
 
 ifeq ($(CONFIG_MCOUNT),y)
   KBUILD_CFLAGS += -pg

arch/sparc64/defconfig

@@ -1,7 +1,7 @@
 #
 # Automatically generated make config: don't edit
-# Linux kernel version: 2.6.24
-# Tue Feb  5 17:28:19 2008
+# Linux kernel version: 2.6.25-rc1
+# Sun Feb 17 22:44:12 2008
 #
 CONFIG_SPARC=y
 CONFIG_SPARC64=y
@@ -10,6 +10,7 @@ CONFIG_GENERIC_CMOS_UPDATE=y
 CONFIG_GENERIC_CLOCKEVENTS=y
 CONFIG_64BIT=y
 CONFIG_MMU=y
+CONFIG_IOMMU_HELPER=y
 CONFIG_QUICKLIST=y
 CONFIG_STACKTRACE_SUPPORT=y
 CONFIG_LOCKDEP_SUPPORT=y
@@ -21,6 +22,7 @@ CONFIG_HAVE_SETUP_PER_CPU_AREA=y
 CONFIG_ARCH_NO_VIRT_TO_BUS=y
 CONFIG_OF=y
 CONFIG_GENERIC_HARDIRQS_NO__DO_IRQ=y
+CONFIG_ARCH_SUPPORTS_AOUT=y
 CONFIG_SPARC64_PAGE_SIZE_8KB=y
 # CONFIG_SPARC64_PAGE_SIZE_64KB is not set
 # CONFIG_SPARC64_PAGE_SIZE_512KB is not set
@@ -49,8 +51,6 @@ CONFIG_SYSVIPC_SYSCTL=y
 CONFIG_POSIX_MQUEUE=y
 # CONFIG_BSD_PROCESS_ACCT is not set
 # CONFIG_TASKSTATS is not set
-# CONFIG_USER_NS is not set
-# CONFIG_PID_NS is not set
 # CONFIG_AUDIT is not set
 # CONFIG_IKCONFIG is not set
 CONFIG_LOG_BUF_SHIFT=18
@@ -60,6 +60,11 @@ CONFIG_FAIR_USER_SCHED=y
 # CONFIG_FAIR_CGROUP_SCHED is not set
 CONFIG_SYSFS_DEPRECATED=y
 CONFIG_RELAY=y
+CONFIG_NAMESPACES=y
+# CONFIG_UTS_NS is not set
+# CONFIG_IPC_NS is not set
+# CONFIG_USER_NS is not set
+# CONFIG_PID_NS is not set
 CONFIG_BLK_DEV_INITRD=y
 CONFIG_INITRAMFS_SOURCE=""
 CONFIG_CC_OPTIMIZE_FOR_SIZE=y
@@ -74,6 +79,7 @@ CONFIG_HOTPLUG=y
 CONFIG_PRINTK=y
 CONFIG_BUG=y
 CONFIG_ELF_CORE=y
+# CONFIG_COMPAT_BRK is not set
 CONFIG_BASE_FULL=y
 CONFIG_FUTEX=y
 CONFIG_ANON_INODES=y
@@ -176,13 +182,13 @@ CONFIG_PCI_MSI=y
 CONFIG_SUN_OPENPROMFS=m
 CONFIG_SPARC32_COMPAT=y
 CONFIG_COMPAT=y
-CONFIG_BINFMT_ELF32=y
 # CONFIG_BINFMT_AOUT32 is not set
 
 #
 # Executable file formats
 #
 CONFIG_BINFMT_ELF=y
+CONFIG_COMPAT_BINFMT_ELF=y
 CONFIG_BINFMT_MISC=m
 CONFIG_SOLARIS_EMUL=y
 CONFIG_SCHED_SMT=y
@@ -354,6 +360,8 @@ CONFIG_MISC_DEVICES=y
 # CONFIG_EEPROM_93CX6 is not set
 # CONFIG_SGI_IOC4 is not set
 # CONFIG_TIFM_CORE is not set
+# CONFIG_ENCLOSURE_SERVICES is not set
+CONFIG_HAVE_IDE=y
 CONFIG_IDE=y
 CONFIG_BLK_DEV_IDE=y
 
@@ -376,6 +384,7 @@ CONFIG_IDE_PROC_FS=y
 #
 CONFIG_IDE_GENERIC=y
 # CONFIG_BLK_DEV_PLATFORM is not set
+CONFIG_BLK_DEV_IDEDMA_SFF=y
 
 #
 # PCI IDE chipsets support
@@ -775,7 +784,6 @@ CONFIG_I2C_ALGOBIT=y
 # CONFIG_SENSORS_EEPROM is not set
 # CONFIG_SENSORS_PCF8574 is not set
 # CONFIG_PCF8575 is not set
-# CONFIG_SENSORS_PCA9539 is not set
 # CONFIG_SENSORS_PCF8591 is not set
 # CONFIG_TPS65010 is not set
 # CONFIG_SENSORS_MAX6875 is not set
@@ -831,6 +839,7 @@ CONFIG_HWMON=y
 # CONFIG_SENSORS_SMSC47M1 is not set
 # CONFIG_SENSORS_SMSC47M192 is not set
 # CONFIG_SENSORS_SMSC47B397 is not set
+# CONFIG_SENSORS_ADS7828 is not set
 # CONFIG_SENSORS_THMC50 is not set
 # CONFIG_SENSORS_VIA686A is not set
 # CONFIG_SENSORS_VT1211 is not set
@@ -840,9 +849,11 @@ CONFIG_HWMON=y
 # CONFIG_SENSORS_W83792D is not set
 # CONFIG_SENSORS_W83793 is not set
 # CONFIG_SENSORS_W83L785TS is not set
+# CONFIG_SENSORS_W83L786NG is not set
 # CONFIG_SENSORS_W83627HF is not set
 # CONFIG_SENSORS_W83627EHF is not set
 # CONFIG_HWMON_DEBUG_CHIP is not set
+# CONFIG_THERMAL is not set
 # CONFIG_WATCHDOG is not set
 
 #
@@ -1201,6 +1212,7 @@ CONFIG_USB_STORAGE=m
 # CONFIG_USB_TEST is not set
 # CONFIG_USB_GADGET is not set
 # CONFIG_MMC is not set
+# CONFIG_MEMSTICK is not set
 # CONFIG_NEW_LEDS is not set
 # CONFIG_INFINIBAND is not set
 # CONFIG_RTC_CLASS is not set
@@ -1242,12 +1254,10 @@ CONFIG_FS_POSIX_ACL=y
 # CONFIG_XFS_FS is not set
 # CONFIG_GFS2_FS is not set
 # CONFIG_OCFS2_FS is not set
-# CONFIG_MINIX_FS is not set
-# CONFIG_ROMFS_FS is not set
+CONFIG_DNOTIFY=y
 CONFIG_INOTIFY=y
 CONFIG_INOTIFY_USER=y
 # CONFIG_QUOTA is not set
-CONFIG_DNOTIFY=y
 # CONFIG_AUTOFS_FS is not set
 # CONFIG_AUTOFS4_FS is not set
 # CONFIG_FUSE_FS is not set
@@ -1291,8 +1301,10 @@ CONFIG_HUGETLB_PAGE=y
 # CONFIG_EFS_FS is not set
 # CONFIG_CRAMFS is not set
 # CONFIG_VXFS_FS is not set
+# CONFIG_MINIX_FS is not set
 # CONFIG_HPFS_FS is not set
 # CONFIG_QNX4FS_FS is not set
+# CONFIG_ROMFS_FS is not set
 # CONFIG_SYSV_FS is not set
 # CONFIG_UFS_FS is not set
 CONFIG_NETWORK_FILESYSTEMS=y
@@ -1370,6 +1382,7 @@ CONFIG_DETECT_SOFTLOCKUP=y
 CONFIG_SCHEDSTATS=y
 # CONFIG_TIMER_STATS is not set
 # CONFIG_SLUB_DEBUG_ON is not set
+# CONFIG_SLUB_STATS is not set
 # CONFIG_DEBUG_RT_MUTEXES is not set
 # CONFIG_RT_MUTEX_TESTER is not set
 # CONFIG_DEBUG_SPINLOCK is not set
@@ -1385,7 +1398,6 @@ CONFIG_DEBUG_BUGVERBOSE=y
 # CONFIG_DEBUG_VM is not set
 # CONFIG_DEBUG_LIST is not set
 # CONFIG_DEBUG_SG is not set
-CONFIG_FORCED_INLINING=y
 # CONFIG_BOOT_PRINTK_DELAY is not set
 # CONFIG_RCU_TORTURE_TEST is not set
 # CONFIG_KPROBES_SANITY_TEST is not set
@@ -1396,7 +1408,6 @@ CONFIG_FORCED_INLINING=y
 # CONFIG_DEBUG_STACK_USAGE is not set
 # CONFIG_DEBUG_DCFLUSH is not set
 # CONFIG_STACK_DEBUG is not set
-# CONFIG_DEBUG_BOOTMEM is not set
 # CONFIG_DEBUG_PAGEALLOC is not set
 
 #

arch/sparc64/kernel/iommu.c

@@ -200,12 +200,11 @@ int iommu_table_init(struct iommu *iommu, int tsbsize,
 	/* Allocate and initialize the dummy page which we
 	 * set inactive IO PTEs to point to.
 	 */
-	iommu->dummy_page = __get_free_pages(GFP_KERNEL, 0);
+	iommu->dummy_page = get_zeroed_page(GFP_KERNEL);
 	if (!iommu->dummy_page) {
 		printk(KERN_ERR "IOMMU: Error, gfp(dummy_page) failed.\n");
 		goto out_free_map;
 	}
-	memset((void *)iommu->dummy_page, 0, PAGE_SIZE);
 	iommu->dummy_page_pa = (unsigned long) __pa(iommu->dummy_page);
 
 	/* Now allocate and setup the IOMMU page table itself.  */

arch/sparc64/kernel/pci.c

@@ -225,20 +225,6 @@ static int __init pci_controller_init(const char *model_name, int namelen, struc
 	return 0;
 }
 
-static int __init pci_is_controller(const char *model_name, int namelen, struct device_node *dp)
-{
-	int i;
-
-	for (i = 0; i < PCI_NUM_CONTROLLER_TYPES; i++) {
-		if (!strncmp(model_name,
-			     pci_controller_table[i].model_name,
-			     namelen)) {
-			return 1;
-		}
-	}
-	return 0;
-}
-
 static int __init pci_controller_scan(int (*handler)(const char *, int, struct device_node *))
 {
 	struct device_node *dp;
@@ -273,13 +259,6 @@ static int __init pci_controller_scan(int (*handler)(const char *, int, struct d
 	return count;
 }
 
-
-/* Is there some PCI controller in the system?  */
-int __init pcic_present(void)
-{
-	return pci_controller_scan(pci_is_controller);
-}
-
 /* Find each controller in the system, attach and initialize
  * software state structure for each and link into the
  * pci_pbm_root.  Setup the controller enough such