Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/sparc-2.6

* 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/sparc-2.6: [SPARC64]: ARRAY_SIZE() cleanup [SPARC64]: small Makefile cleanups [SPARC64]: Stop using __do_IRQ(). [SPARC64]: Update defconfig.
2007-10-22 19:22:56 -07:00 · 2007-10-22 19:22:56 -07:00 · 5f48b338cd
parent f09cc910fe 29f139ce27
commit 5f48b338cd
8 changed files with 87 additions and 125 deletions
--- a/arch/sparc64/Kconfig
+++ b/arch/sparc64/Kconfig
@ -72,6 +72,10 @@ config ARCH_NO_VIRT_TO_BUS
 config OF
 	def_bool y

+config GENERIC_HARDIRQS_NO__DO_IRQ
+	bool
+	def_bool y
+
 choice
 	prompt "Kernel page size"
 	default SPARC64_PAGE_SIZE_8KB
--- a/arch/sparc64/Makefile
+++ b/arch/sparc64/Makefile
@ -18,8 +18,6 @@ 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; )

-export NEW_GCC
-
 ifneq ($(NEW_GAS),y)
 AS		= sparc64-linux-as
 LD		= sparc64-linux-ld
@ -58,8 +56,6 @@ core-y				+= arch/sparc64/kernel/ arch/sparc64/mm/
 core-$(CONFIG_SOLARIS_EMUL)	+= arch/sparc64/solaris/
 core-y				+= arch/sparc64/math-emu/
 libs-y				+= arch/sparc64/prom/ arch/sparc64/lib/
-
-# FIXME: is drivers- right?
 drivers-$(CONFIG_OPROFILE)	+= arch/sparc64/oprofile/

 boot := arch/sparc64/boot
--- a/arch/sparc64/defconfig
+++ b/arch/sparc64/defconfig
@ -1,7 +1,7 @@
 #
 # Automatically generated make config: don't edit
 # Linux kernel version: 2.6.23
-# Sat Oct 13 21:53:54 2007
+# Sun Oct 21 19:57:44 2007
 #
 CONFIG_SPARC=y
 CONFIG_SPARC64=y
@ -49,6 +49,10 @@ CONFIG_POSIX_MQUEUE=y
 # CONFIG_AUDIT is not set
 # CONFIG_IKCONFIG is not set
 CONFIG_LOG_BUF_SHIFT=18
+# CONFIG_CGROUPS is not set
+CONFIG_FAIR_GROUP_SCHED=y
+CONFIG_FAIR_USER_SCHED=y
+# CONFIG_FAIR_CGROUP_SCHED is not set
 CONFIG_SYSFS_DEPRECATED=y
 CONFIG_RELAY=y
 # CONFIG_BLK_DEV_INITRD is not set
@ -145,7 +149,10 @@ CONFIG_SELECT_MEMORY_MODEL=y
 CONFIG_SPARSEMEM_MANUAL=y
 CONFIG_SPARSEMEM=y
 CONFIG_HAVE_MEMORY_PRESENT=y
-CONFIG_SPARSEMEM_STATIC=y
+# CONFIG_SPARSEMEM_STATIC is not set
+CONFIG_SPARSEMEM_EXTREME=y
+CONFIG_SPARSEMEM_VMEMMAP_ENABLE=y
+CONFIG_SPARSEMEM_VMEMMAP=y
 CONFIG_SPLIT_PTLOCK_CPUS=4
 CONFIG_RESOURCES_64BIT=y
 CONFIG_ZONE_DMA_FLAG=0
@ -275,10 +282,6 @@ CONFIG_VLAN_8021Q=m
 # CONFIG_LAPB is not set
 # CONFIG_ECONET is not set
 # CONFIG_WAN_ROUTER is not set
-
-#
-# QoS and/or fair queueing
-#
 # CONFIG_NET_SCHED is not set

 #
@ -372,8 +375,6 @@ CONFIG_IDEPCI_PCIBUS_ORDER=y
 # CONFIG_BLK_DEV_GENERIC is not set
 # CONFIG_BLK_DEV_OPTI621 is not set
 CONFIG_BLK_DEV_IDEDMA_PCI=y
-# CONFIG_BLK_DEV_IDEDMA_FORCED is not set
-CONFIG_IDEDMA_ONLYDISK=y
 # CONFIG_BLK_DEV_AEC62XX is not set
 CONFIG_BLK_DEV_ALI15X3=y
 # CONFIG_WDC_ALI15X3 is not set
@ -401,6 +402,7 @@ CONFIG_BLK_DEV_ALI15X3=y
 # CONFIG_BLK_DEV_TC86C001 is not set
 # CONFIG_IDE_ARM is not set
 CONFIG_BLK_DEV_IDEDMA=y
+CONFIG_IDE_ARCH_OBSOLETE_INIT=y
 # CONFIG_BLK_DEV_HD is not set

 #
@ -441,6 +443,7 @@ CONFIG_SCSI_FC_ATTRS=y
 CONFIG_SCSI_ISCSI_ATTRS=m
 # CONFIG_SCSI_SAS_ATTRS is not set
 # CONFIG_SCSI_SAS_LIBSAS is not set
+# CONFIG_SCSI_SRP_ATTRS is not set
 CONFIG_SCSI_LOWLEVEL=y
 CONFIG_ISCSI_TCP=m
 # CONFIG_BLK_DEV_3W_XXXX_RAID is not set
@ -492,14 +495,8 @@ CONFIG_DM_MIRROR=m
 CONFIG_DM_ZERO=m
 # CONFIG_DM_MULTIPATH is not set
 # CONFIG_DM_DELAY is not set
-
-#
-# Fusion MPT device support
-#
+# CONFIG_DM_UEVENT is not set
 # CONFIG_FUSION is not set
-# CONFIG_FUSION_SPI is not set
-# CONFIG_FUSION_FC is not set
-# CONFIG_FUSION_SAS is not set

 #
 # IEEE 1394 (FireWire) support
@ -638,7 +635,6 @@ CONFIG_INPUT_MOUSEDEV_PSAUX=y
 CONFIG_INPUT_MOUSEDEV_SCREEN_X=1024
 CONFIG_INPUT_MOUSEDEV_SCREEN_Y=768
 # CONFIG_INPUT_JOYDEV is not set
-# CONFIG_INPUT_TSDEV is not set
 CONFIG_INPUT_EVDEV=y
 # CONFIG_INPUT_EVBUG is not set

@ -714,11 +710,9 @@ CONFIG_SERIAL_CORE_CONSOLE=y
 CONFIG_UNIX98_PTYS=y
 # CONFIG_LEGACY_PTYS is not set
 # CONFIG_IPMI_HANDLER is not set
-# CONFIG_WATCHDOG is not set
 # CONFIG_HW_RANDOM is not set
 # CONFIG_R3964 is not set
 # CONFIG_APPLICOM is not set
-# CONFIG_DRM is not set
 # CONFIG_RAW_DRIVER is not set
 # CONFIG_TCG_TPM is not set
 CONFIG_DEVPORT=y
@ -786,8 +780,6 @@ CONFIG_I2C_ALGOBIT=y
 # CONFIG_POWER_SUPPLY is not set
 CONFIG_HWMON=y
 # CONFIG_HWMON_VID is not set
-# CONFIG_SENSORS_ABITUGURU is not set
-# CONFIG_SENSORS_ABITUGURU3 is not set
 # CONFIG_SENSORS_AD7418 is not set
 # CONFIG_SENSORS_ADM1021 is not set
 # CONFIG_SENSORS_ADM1025 is not set
@ -795,12 +787,12 @@ CONFIG_HWMON=y
 # CONFIG_SENSORS_ADM1029 is not set
 # CONFIG_SENSORS_ADM1031 is not set
 # CONFIG_SENSORS_ADM9240 is not set
-# CONFIG_SENSORS_ASB100 is not set
+# CONFIG_SENSORS_ADT7470 is not set
 # CONFIG_SENSORS_ATXP1 is not set
 # CONFIG_SENSORS_DS1621 is not set
 # CONFIG_SENSORS_F71805F is not set
-# CONFIG_SENSORS_FSCHER is not set
-# CONFIG_SENSORS_FSCPOS is not set
+# CONFIG_SENSORS_F71882FG is not set
+# CONFIG_SENSORS_F75375S is not set
 # CONFIG_SENSORS_GL518SM is not set
 # CONFIG_SENSORS_GL520SM is not set
 # CONFIG_SENSORS_IT87 is not set
@ -836,6 +828,7 @@ CONFIG_HWMON=y
 # CONFIG_SENSORS_W83627HF is not set
 # CONFIG_SENSORS_W83627EHF is not set
 # CONFIG_HWMON_DEBUG_CHIP is not set
+# CONFIG_WATCHDOG is not set

 #
 # Sonics Silicon Backplane
@ -858,12 +851,7 @@ CONFIG_SSB_POSSIBLE=y
 #
 # Graphics support
 #
-# CONFIG_BACKLIGHT_LCD_SUPPORT is not set
-
-#
-# Display device support
-#
-# CONFIG_DISPLAY_SUPPORT is not set
+# CONFIG_DRM is not set
 # CONFIG_VGASTATE is not set
 # CONFIG_VIDEO_OUTPUT_CONTROL is not set
 CONFIG_FB=y
@ -872,6 +860,7 @@ CONFIG_FB_DDC=y
 CONFIG_FB_CFB_FILLRECT=y
 CONFIG_FB_CFB_COPYAREA=y
 CONFIG_FB_CFB_IMAGEBLIT=y
+# CONFIG_FB_CFB_REV_PIXELS_IN_BYTE is not set
 # CONFIG_FB_SYS_FILLRECT is not set
 # CONFIG_FB_SYS_COPYAREA is not set
 # CONFIG_FB_SYS_IMAGEBLIT is not set
@ -890,6 +879,7 @@ CONFIG_FB_TILEBLITTING=y
 # CONFIG_FB_PM2 is not set
 # CONFIG_FB_ASILIANT is not set
 # CONFIG_FB_IMSTT is not set
+# CONFIG_FB_UVESA is not set
 # CONFIG_FB_SBUS is not set
 # CONFIG_FB_XVR500 is not set
 # CONFIG_FB_XVR2500 is not set
@ -915,6 +905,12 @@ CONFIG_FB_RADEON_I2C=y
 # CONFIG_FB_ARK is not set
 # CONFIG_FB_PM3 is not set
 # CONFIG_FB_VIRTUAL is not set
+# CONFIG_BACKLIGHT_LCD_SUPPORT is not set
+
+#
+# Display device support
+#
+# CONFIG_DISPLAY_SUPPORT is not set

 #
 # Console display driver support
@ -1066,6 +1062,7 @@ CONFIG_AC97_BUS=m
 CONFIG_HID_SUPPORT=y
 CONFIG_HID=y
 # CONFIG_HID_DEBUG is not set
+# CONFIG_HIDRAW is not set

 #
 # USB Input Devices
@ -1186,19 +1183,6 @@ CONFIG_USB_STORAGE=m
 # CONFIG_INFINIBAND is not set
 # CONFIG_RTC_CLASS is not set

-#
-# DMA Engine support
-#
-# CONFIG_DMA_ENGINE is not set
-
-#
-# DMA Clients
-#
-
-#
-# DMA Devices
-#
-
 #
 # Userspace I/O
 #
@ -1275,7 +1259,6 @@ CONFIG_TMPFS=y
 # CONFIG_TMPFS_POSIX_ACL is not set
 CONFIG_HUGETLBFS=y
 CONFIG_HUGETLB_PAGE=y
-CONFIG_RAMFS=y
 # CONFIG_CONFIGFS_FS is not set

 #
@ -1295,10 +1278,7 @@ CONFIG_RAMFS=y
 # CONFIG_QNX4FS_FS is not set
 # CONFIG_SYSV_FS is not set
 # CONFIG_UFS_FS is not set
-
-#
-# Network File Systems
-#
+CONFIG_NETWORK_FILESYSTEMS=y
 # CONFIG_NFS_FS is not set
 # CONFIG_NFSD is not set
 # CONFIG_SMB_FS is not set
@ -1313,10 +1293,6 @@ CONFIG_RAMFS=y
 # CONFIG_PARTITION_ADVANCED is not set
 CONFIG_MSDOS_PARTITION=y
 CONFIG_SUN_PARTITION=y
-
-#
-# Native Language Support
-#
 CONFIG_NLS=m
 CONFIG_NLS_DEFAULT="iso8859-1"
 # CONFIG_NLS_CODEPAGE_437 is not set
@ -1357,18 +1333,12 @@ CONFIG_NLS_DEFAULT="iso8859-1"
 # CONFIG_NLS_KOI8_R is not set
 # CONFIG_NLS_KOI8_U is not set
 # CONFIG_NLS_UTF8 is not set
-
-#
-# Distributed Lock Manager
-#
 # CONFIG_DLM is not set
-
-#
-# Instrumentation Support
-#
+CONFIG_INSTRUMENTATION=y
 CONFIG_PROFILING=y
 CONFIG_OPROFILE=m
 CONFIG_KPROBES=y
+# CONFIG_MARKERS is not set

 #
 # Kernel hacking
@ -1402,9 +1372,11 @@ CONFIG_DEBUG_BUGVERBOSE=y
 # CONFIG_DEBUG_VM is not set
 # CONFIG_DEBUG_LIST is not set
 CONFIG_FORCED_INLINING=y
+# CONFIG_BOOT_PRINTK_DELAY is not set
 # CONFIG_RCU_TORTURE_TEST is not set
 # CONFIG_LKDTM is not set
 # CONFIG_FAULT_INJECTION is not set
+# CONFIG_SAMPLES is not set
 # CONFIG_DEBUG_STACK_USAGE is not set
 # CONFIG_DEBUG_DCFLUSH is not set
 # CONFIG_STACK_DEBUG is not set
@ -1417,6 +1389,7 @@ CONFIG_FORCED_INLINING=y
 CONFIG_KEYS=y
 # CONFIG_KEYS_DEBUG_PROC_KEYS is not set
 # CONFIG_SECURITY is not set
+# CONFIG_SECURITY_FILE_CAPABILITIES is not set
 CONFIG_XOR_BLOCKS=m
 CONFIG_ASYNC_CORE=m
 CONFIG_ASYNC_MEMCPY=m
--- a/arch/sparc64/kernel/Makefile
+++ b/arch/sparc64/kernel/Makefile
@ -39,12 +39,3 @@ else
    obj-y += sys_sunos32.o sunos_ioctl32.o
  endif
 endif
-
-ifneq ($(NEW_GCC),y)
-  CMODEL_CFLAG := -mmedlow
-else
-  CMODEL_CFLAG := -m64 -mcmodel=medlow
-endif
-
-head.o: head.S ttable.S itlb_miss.S dtlb_miss.S ktlb.S tsb.S \
-	etrap.S rtrap.S winfixup.S entry.S
--- a/arch/sparc64/kernel/irq.c
+++ b/arch/sparc64/kernel/irq.c
@ -257,8 +257,8 @@ struct irq_handler_data {
 	unsigned long	imap;

 	void		(*pre_handler)(unsigned int, void *, void *);
-	void		*pre_handler_arg1;
-	void		*pre_handler_arg2;
+	void		*arg1;
+	void		*arg2;
 };

 #ifdef CONFIG_SMP
@ -346,7 +346,7 @@ static void sun4u_irq_disable(unsigned int virt_irq)
 	}
 }

-static void sun4u_irq_end(unsigned int virt_irq)
+static void sun4u_irq_eoi(unsigned int virt_irq)
 {
 	struct irq_handler_data *data = get_irq_chip_data(virt_irq);
 	struct irq_desc *desc = irq_desc + virt_irq;
@ -401,7 +401,7 @@ static void sun4v_irq_disable(unsigned int virt_irq)
 		       "err(%d)\n", ino, err);
 }

-static void sun4v_irq_end(unsigned int virt_irq)
+static void sun4v_irq_eoi(unsigned int virt_irq)
 {
 	unsigned int ino = virt_irq_table[virt_irq].dev_ino;
 	struct irq_desc *desc = irq_desc + virt_irq;
@ -478,7 +478,7 @@ static void sun4v_virq_disable(unsigned int virt_irq)
 		       dev_handle, dev_ino, err);
 }

-static void sun4v_virq_end(unsigned int virt_irq)
+static void sun4v_virq_eoi(unsigned int virt_irq)
 {
 	struct irq_desc *desc = irq_desc + virt_irq;
 	unsigned long dev_handle, dev_ino;
@ -498,33 +498,11 @@ static void sun4v_virq_end(unsigned int virt_irq)
 		       dev_handle, dev_ino, err);
 }

-static void run_pre_handler(unsigned int virt_irq)
-{
-	struct irq_handler_data *data = get_irq_chip_data(virt_irq);
-	unsigned int ino;
-
-	ino = virt_irq_table[virt_irq].dev_ino;
-	if (likely(data->pre_handler)) {
-		data->pre_handler(ino,
-				  data->pre_handler_arg1,
-				  data->pre_handler_arg2);
-	}
-}
-
 static struct irq_chip sun4u_irq = {
 	.typename	= "sun4u",
 	.enable		= sun4u_irq_enable,
 	.disable	= sun4u_irq_disable,
-	.end		= sun4u_irq_end,
-	.set_affinity	= sun4u_set_affinity,
-};
-
-static struct irq_chip sun4u_irq_ack = {
-	.typename	= "sun4u+ack",
-	.enable		= sun4u_irq_enable,
-	.disable	= sun4u_irq_disable,
-	.ack		= run_pre_handler,
-	.end		= sun4u_irq_end,
+	.eoi		= sun4u_irq_eoi,
 	.set_affinity	= sun4u_set_affinity,
 };

@ -532,7 +510,7 @@ static struct irq_chip sun4v_irq = {
 	.typename	= "sun4v",
 	.enable		= sun4v_irq_enable,
 	.disable	= sun4v_irq_disable,
-	.end		= sun4v_irq_end,
+	.eoi		= sun4v_irq_eoi,
 	.set_affinity	= sun4v_set_affinity,
 };

@ -540,31 +518,33 @@ static struct irq_chip sun4v_virq = {
 	.typename	= "vsun4v",
 	.enable		= sun4v_virq_enable,
 	.disable	= sun4v_virq_disable,
-	.end		= sun4v_virq_end,
+	.eoi		= sun4v_virq_eoi,
 	.set_affinity	= sun4v_virt_set_affinity,
 };

+static void fastcall pre_flow_handler(unsigned int virt_irq,
+				      struct irq_desc *desc)
+{
+	struct irq_handler_data *data = get_irq_chip_data(virt_irq);
+	unsigned int ino = virt_irq_table[virt_irq].dev_ino;
+
+	data->pre_handler(ino, data->arg1, data->arg2);
+
+	handle_fasteoi_irq(virt_irq, desc);
+}
+
 void irq_install_pre_handler(int virt_irq,
 			     void (*func)(unsigned int, void *, void *),
 			     void *arg1, void *arg2)
 {
 	struct irq_handler_data *data = get_irq_chip_data(virt_irq);
-	struct irq_chip *chip = get_irq_chip(virt_irq);
-
-	if (WARN_ON(chip == &sun4v_irq || chip == &sun4v_virq)) {
-		printk(KERN_ERR "IRQ: Trying to install pre-handler on "
-		       "sun4v irq %u\n", virt_irq);
-		return;
-	}
+	struct irq_desc *desc = irq_desc + virt_irq;

 	data->pre_handler = func;
-	data->pre_handler_arg1 = arg1;
-	data->pre_handler_arg2 = arg2;
+	data->arg1 = arg1;
+	data->arg2 = arg2;

-	if (chip == &sun4u_irq_ack)
-		return;
-
-	set_irq_chip(virt_irq, &sun4u_irq_ack);
+	desc->handle_irq = pre_flow_handler;
 }

 unsigned int build_irq(int inofixup, unsigned long iclr, unsigned long imap)
@ -582,7 +562,10 @@ unsigned int build_irq(int inofixup, unsigned long iclr, unsigned long imap)
 	if (!virt_irq) {
 		virt_irq = virt_irq_alloc(0, ino);
 		bucket_set_virt_irq(__pa(bucket), virt_irq);
-		set_irq_chip(virt_irq, &sun4u_irq);
+		set_irq_chip_and_handler_name(virt_irq,
+					      &sun4u_irq,
+					      handle_fasteoi_irq,
+					      "IVEC");
 	}

 	data = get_irq_chip_data(virt_irq);
@ -617,7 +600,9 @@ static unsigned int sun4v_build_common(unsigned long sysino,
 	if (!virt_irq) {
 		virt_irq = virt_irq_alloc(0, sysino);
 		bucket_set_virt_irq(__pa(bucket), virt_irq);
-		set_irq_chip(virt_irq, chip);
+		set_irq_chip_and_handler_name(virt_irq, chip,
+					      handle_fasteoi_irq,
+					      "IVEC");
 	}

 	data = get_irq_chip_data(virt_irq);
@ -665,7 +650,10 @@ unsigned int sun4v_build_virq(u32 devhandle, unsigned int devino)

 	virt_irq = virt_irq_alloc(devhandle, devino);
 	bucket_set_virt_irq(__pa(bucket), virt_irq);
-	set_irq_chip(virt_irq, &sun4v_virq);
+
+	set_irq_chip_and_handler_name(virt_irq, &sun4v_virq,
+				      handle_fasteoi_irq,
+				      "IVEC");

 	data = kzalloc(sizeof(struct irq_handler_data), GFP_ATOMIC);
 	if (unlikely(!data))
@ -724,6 +712,7 @@ void handler_irq(int irq, struct pt_regs *regs)
 			     : "memory");

 	while (bucket_pa) {
+		struct irq_desc *desc;
 		unsigned long next_pa;
 		unsigned int virt_irq;

@ -731,7 +720,9 @@ void handler_irq(int irq, struct pt_regs *regs)
 		virt_irq = bucket_get_virt_irq(bucket_pa);
 		bucket_clear_chain_pa(bucket_pa);

-		__do_IRQ(virt_irq);
+		desc = irq_desc + virt_irq;
+
+		desc->handle_irq(virt_irq, desc);

 		bucket_pa = next_pa;
 	}
--- a/arch/sparc64/kernel/pci.c
+++ b/arch/sparc64/kernel/pci.c
@ -207,8 +207,7 @@ static struct {
 	{ "SUNW,sun4v-pci", sun4v_pci_init },
 	{ "pciex108e,80f0", fire_pci_init },
 };
-#define PCI_NUM_CONTROLLER_TYPES (sizeof(pci_controller_table) / \
-				  sizeof(pci_controller_table[0]))
+#define PCI_NUM_CONTROLLER_TYPES	ARRAY_SIZE(pci_controller_table)

 static int __init pci_controller_init(const char *model_name, int namelen, struct device_node *dp)
 {
--- a/arch/sparc64/kernel/pci_msi.c
+++ b/arch/sparc64/kernel/pci_msi.c
@ -28,8 +28,15 @@ static irqreturn_t sparc64_msiq_interrupt(int irq, void *cookie)
 		unsigned long msi;

 		err = ops->dequeue_msi(pbm, msiqid, &head, &msi);
-		if (likely(err > 0))
-			__do_IRQ(pbm->msi_irq_table[msi - pbm->msi_first]);
+		if (likely(err > 0)) {
+			struct irq_desc *desc;
+			unsigned int virt_irq;
+
+			virt_irq = pbm->msi_irq_table[msi - pbm->msi_first];
+			desc = irq_desc + virt_irq;
+
+			desc->handle_irq(virt_irq, desc);
+		}

 		if (unlikely(err < 0))
 			goto err_dequeue;
@ -128,7 +135,8 @@ int sparc64_setup_msi_irq(unsigned int *virt_irq_p,
 	if (!*virt_irq_p)
 		goto out_err;

-	set_irq_chip(*virt_irq_p, &msi_irq);
+	set_irq_chip_and_handler_name(*virt_irq_p, &msi_irq,
+				      handle_simple_irq, "MSI");

 	err = alloc_msi(pbm);
 	if (unlikely(err < 0))
--- a/arch/sparc64/math-emu/Makefile
+++ b/arch/sparc64/math-emu/Makefile
@ -4,4 +4,4 @@

 obj-y    := math.o

-EXTRA_CFLAGS = -I. -Iinclude/math-emu -w
+EXTRA_CFLAGS = -Iinclude/math-emu -w