---

yaml --- r: 200432 b: refs/heads/master c: 9f069af h: refs/heads/master v: v3
git-mirror · Jun 14, 2010 · c2b93dc · c2b93dc
1 parent 3bed0f5
commit c2b93dc
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Showing 119 changed files with 813 additions and 557 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: ddc39f90a956b1ce49213e057d32fc94253e20f6
+refs/heads/master: 9f069af5b62919151d76b37a3b168cbb34c874c3
diff --git a/trunk/Makefile b/trunk/Makefile
@@ -944,7 +944,7 @@ ifdef CONFIG_LOCALVERSION_AUTO
 	localver-extra = $(scm-identifier)
 else
 	ifneq ($(scm-identifier),)
-		ifeq ("$(origin LOCALVERSION)", "undefined")
+		ifeq ($(LOCALVERSION),)
 			localver-extra = +
 		endif
 	endif

diff --git a/trunk/arch/alpha/include/asm/bitops.h b/trunk/arch/alpha/include/asm/bitops.h
@@ -410,7 +410,7 @@ static inline unsigned long __arch_hweight64(unsigned long w)
 	return __kernel_ctpop(w);
 }
 
-static inline unsigned int __arch_hweight32(unsigned int w)
+static inline unsigned int __arch_weight32(unsigned int w)
 {
 	return __arch_hweight64(w);
 }

diff --git a/trunk/arch/alpha/kernel/Makefile b/trunk/arch/alpha/kernel/Makefile
@@ -35,7 +35,7 @@ endif
 
 obj-y	 += irq_pyxis.o irq_i8259.o irq_srm.o
 obj-y	 += err_ev6.o
-obj-y	 += es1888.o smc37c669.o smc37c93x.o pc873xx.o gct.o
+obj-y	 += es1888.o smc37c669.o smc37c93x.o ns87312.o gct.o
 obj-y    += srmcons.o
 
 else
@@ -63,11 +63,11 @@ obj-$(CONFIG_ALPHA_WILDFIRE)	+= core_wildfire.o
 # Board support
 obj-$(CONFIG_ALPHA_ALCOR)	+= sys_alcor.o irq_i8259.o irq_srm.o
 obj-$(CONFIG_ALPHA_CABRIOLET)	+= sys_cabriolet.o irq_i8259.o irq_srm.o \
-				   pc873xx.o
+				   ns87312.o
 obj-$(CONFIG_ALPHA_EB164)	+= sys_cabriolet.o irq_i8259.o irq_srm.o \
-				   pc873xx.o
+				   ns87312.o
 obj-$(CONFIG_ALPHA_EB66P)	+= sys_cabriolet.o irq_i8259.o irq_srm.o \
-				   pc873xx.o
+				   ns87312.o
 obj-$(CONFIG_ALPHA_LX164)	+= sys_cabriolet.o irq_i8259.o irq_srm.o \
 				   smc37c93x.o
 obj-$(CONFIG_ALPHA_PC164)	+= sys_cabriolet.o irq_i8259.o irq_srm.o \
@@ -90,14 +90,14 @@ obj-$(CONFIG_ALPHA_RUFFIAN)	+= sys_ruffian.o irq_pyxis.o irq_i8259.o
 obj-$(CONFIG_ALPHA_RX164)	+= sys_rx164.o irq_i8259.o
 obj-$(CONFIG_ALPHA_SABLE)	+= sys_sable.o
 obj-$(CONFIG_ALPHA_LYNX)	+= sys_sable.o
-obj-$(CONFIG_ALPHA_BOOK1)	+= sys_sio.o irq_i8259.o irq_srm.o pc873xx.o
-obj-$(CONFIG_ALPHA_AVANTI)	+= sys_sio.o irq_i8259.o irq_srm.o pc873xx.o
-obj-$(CONFIG_ALPHA_NONAME)	+= sys_sio.o irq_i8259.o irq_srm.o pc873xx.o
-obj-$(CONFIG_ALPHA_P2K)		+= sys_sio.o irq_i8259.o irq_srm.o pc873xx.o
-obj-$(CONFIG_ALPHA_XL)		+= sys_sio.o irq_i8259.o irq_srm.o pc873xx.o
+obj-$(CONFIG_ALPHA_BOOK1)	+= sys_sio.o irq_i8259.o irq_srm.o ns87312.o
+obj-$(CONFIG_ALPHA_AVANTI)	+= sys_sio.o irq_i8259.o irq_srm.o ns87312.o
+obj-$(CONFIG_ALPHA_NONAME)	+= sys_sio.o irq_i8259.o irq_srm.o ns87312.o
+obj-$(CONFIG_ALPHA_P2K)		+= sys_sio.o irq_i8259.o irq_srm.o ns87312.o
+obj-$(CONFIG_ALPHA_XL)		+= sys_sio.o irq_i8259.o irq_srm.o ns87312.o
 obj-$(CONFIG_ALPHA_SX164)	+= sys_sx164.o irq_pyxis.o irq_i8259.o \
 				   irq_srm.o smc37c669.o
-obj-$(CONFIG_ALPHA_TAKARA)	+= sys_takara.o irq_i8259.o pc873xx.o
+obj-$(CONFIG_ALPHA_TAKARA)	+= sys_takara.o irq_i8259.o ns87312.o
 obj-$(CONFIG_ALPHA_WILDFIRE)	+= sys_wildfire.o irq_i8259.o
 
 # Error support

diff --git a/trunk/arch/alpha/kernel/ns87312.c b/trunk/arch/alpha/kernel/ns87312.c
@@ -0,0 +1,38 @@
+/*
+ *	linux/arch/alpha/kernel/ns87312.c
+ */
+
+#include <linux/init.h>
+#include <asm/io.h>
+#include "proto.h"
+
+
+/*
+ * The SRM console *disables* the IDE interface, this code ensures it's
+ * enabled.
+ *
+ * This code bangs on a control register of the 87312 Super I/O chip
+ * that implements parallel port/serial ports/IDE/FDI.  Depending on
+ * the motherboard, the Super I/O chip can be configured through a
+ * pair of registers that are located either at I/O ports 0x26e/0x26f
+ * or 0x398/0x399.  Unfortunately, autodetecting which base address is
+ * in use works only once (right after a reset).  The Super I/O chip
+ * has the additional quirk that configuration register data must be
+ * written twice (I believe this is a safety feature to prevent
+ * accidental modification---fun, isn't it?).
+ */
+
+void __init
+ns87312_enable_ide(long ide_base)
+{
+	int data;
+	unsigned long flags;
+
+	local_irq_save(flags);
+	outb(0, ide_base);		/* set the index register for reg #0 */
+	data = inb(ide_base+1);		/* read the current contents */
+	outb(0, ide_base);		/* set the index register for reg #0 */
+	outb(data | 0x40, ide_base+1);	/* turn on IDE */
+	outb(data | 0x40, ide_base+1);	/* turn on IDE, really! */
+	local_irq_restore(flags);
+}
diff --git a/trunk/arch/alpha/kernel/pc873xx.c b/trunk/arch/alpha/kernel/pc873xx.c
diff --git a/trunk/arch/alpha/kernel/pc873xx.h b/trunk/arch/alpha/kernel/pc873xx.h
diff --git a/trunk/arch/alpha/kernel/pci-sysfs.c b/trunk/arch/alpha/kernel/pci-sysfs.c
@@ -53,14 +53,15 @@ static int __pci_mmap_fits(struct pci_dev *pdev, int num,
 
 /**
  * pci_mmap_resource - map a PCI resource into user memory space
+ * @filp: open sysfs file
  * @kobj: kobject for mapping
  * @attr: struct bin_attribute for the file being mapped
  * @vma: struct vm_area_struct passed into the mmap
  * @sparse: address space type
  *
  * Use the bus mapping routines to map a PCI resource into userspace.
  */
-static int pci_mmap_resource(struct kobject *kobj,
+static int pci_mmap_resource(struct file *filp, struct kobject *kobj,
 			     struct bin_attribute *attr,
 			     struct vm_area_struct *vma, int sparse)
 {

diff --git a/trunk/arch/alpha/kernel/sys_sio.c b/trunk/arch/alpha/kernel/sys_sio.c
@@ -34,7 +34,6 @@
 #include "irq_impl.h"
 #include "pci_impl.h"
 #include "machvec_impl.h"
-#include "pc873xx.h"
 
 #if defined(ALPHA_RESTORE_SRM_SETUP)
 /* Save LCA configuration data as the console had it set up.  */
@@ -209,27 +208,7 @@ noname_init_pci(void)
 	common_init_pci();
 	sio_pci_route();
 	sio_fixup_irq_levels(sio_collect_irq_levels());
-
-	if (pc873xx_probe() == -1) {
-		printk(KERN_ERR "Probing for PC873xx Super IO chip failed.\n");
-	} else {
-		printk(KERN_INFO "Found %s Super IO chip at 0x%x\n",
-			pc873xx_get_model(), pc873xx_get_base());
-
-		/* Enabling things in the Super IO chip doesn't actually
-		 * configure and enable things, the legacy drivers still
-		 * need to do the actual configuration and enabling.
-		 * This only unblocks them.
-		 */
-
-#if !defined(CONFIG_ALPHA_AVANTI)
-		/* Don't bother on the Avanti family.
-		 * None of them had on-board IDE.
-		 */
-		pc873xx_enable_ide();
-#endif
-		pc873xx_enable_epp19();
-	}
+	ns87312_enable_ide(0x26e);
 }
 
 static inline void __init

diff --git a/trunk/arch/powerpc/Kconfig.debug b/trunk/arch/powerpc/Kconfig.debug
@@ -135,6 +135,13 @@ config DEBUGGER
 	depends on KGDB || XMON
 	default y
 
+config IRQSTACKS
+	bool "Use separate kernel stacks when processing interrupts"
+	help
+	  If you say Y here the kernel will use separate kernel stacks
+	  for handling hard and soft interrupts.  This can help avoid
+	  overflowing the process kernel stacks.
+
 config VIRQ_DEBUG
 	bool "Expose hardware/virtual IRQ mapping via debugfs"
 	depends on DEBUG_FS

diff --git a/trunk/arch/powerpc/boot/Makefile b/trunk/arch/powerpc/boot/Makefile
@@ -141,7 +141,7 @@ $(patsubst %.S,%.o, $(filter %.S, $(src-boot))): %.o: %.S FORCE
 $(obj)/wrapper.a: $(obj-wlib) FORCE
 	$(call if_changed,bootar)
 
-hostprogs-y	:= addnote hack-coff mktree
+hostprogs-y	:= addnote addRamDisk hack-coff mktree
 
 targets		+= $(patsubst $(obj)/%,%,$(obj-boot) wrapper.a)
 extra-y		:= $(obj)/wrapper.a $(obj-plat) $(obj)/empty.o \