Merge ../scsi-rc-fixes-2.6

6 files changed, 79 insertions, 53 deletions

diff --git a/arch/i386/pci/common.c b/arch/i386/pci/common.c
index 68bce194e68..cdfcf971098 100644
--- a/arch/i386/pci/common.c
+++ b/arch/i386/pci/common.c
@@ -20,6 +20,7 @@
 unsigned int pci_probe = PCI_PROBE_BIOS | PCI_PROBE_CONF1 | PCI_PROBE_CONF2 |
 				PCI_PROBE_MMCONF;
 
+int pci_bf_sort;
 int pci_routeirq;
 int pcibios_last_bus = -1;
 unsigned long pirq_table_addr;
@@ -118,6 +119,20 @@ void __devinit  pcibios_fixup_bus(struct pci_bus *b)
 }
 
 /*
+ * Only use DMI information to set this if nothing was passed
+ * on the kernel command line (which was parsed earlier).
+ */
+
+static int __devinit set_bf_sort(struct dmi_system_id *d)
+{
+	if (pci_bf_sort == pci_bf_sort_default) {
+		pci_bf_sort = pci_dmi_bf;
+		printk(KERN_INFO "PCI: %s detected, enabling pci=bfsort.\n", d->ident);
+	}
+	return 0;
+}
+
+/*
  * Enable renumbering of PCI bus# ranges to reach all PCI busses (Cardbus)
  */
 #ifdef __i386__
@@ -130,11 +145,11 @@ static int __devinit assign_all_busses(struct dmi_system_id *d)
 }
 #endif
 
+static struct dmi_system_id __devinitdata pciprobe_dmi_table[] = {
+#ifdef __i386__
 /*
  * Laptops which need pci=assign-busses to see Cardbus cards
  */
-static struct dmi_system_id __devinitdata pciprobe_dmi_table[] = {
-#ifdef __i386__
 	{
 		.callback = assign_all_busses,
 		.ident = "Samsung X20 Laptop",
@@ -144,6 +159,38 @@ static struct dmi_system_id __devinitdata pciprobe_dmi_table[] = {
 		},
 	},
 #endif		/* __i386__ */
+	{
+		.callback = set_bf_sort,
+		.ident = "Dell PowerEdge 1950",
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "Dell"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "PowerEdge 1950"),
+		},
+	},
+	{
+		.callback = set_bf_sort,
+		.ident = "Dell PowerEdge 1955",
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "Dell"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "PowerEdge 1955"),
+		},
+	},
+	{
+		.callback = set_bf_sort,
+		.ident = "Dell PowerEdge 2900",
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "Dell"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "PowerEdge 2900"),
+		},
+	},
+	{
+		.callback = set_bf_sort,
+		.ident = "Dell PowerEdge 2950",
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "Dell"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "PowerEdge 2950"),
+		},
+	},
 	{}
 };
 
@@ -189,6 +236,8 @@ static int __init pcibios_init(void)
 
 	pcibios_resource_survey();
 
+	if (pci_bf_sort >= pci_force_bf)
+		pci_sort_breadthfirst();
 #ifdef CONFIG_PCI_BIOS
 	if ((pci_probe & PCI_BIOS_SORT) && !(pci_probe & PCI_NO_SORT))
 		pcibios_sort();
@@ -203,6 +252,12 @@ char * __devinit  pcibios_setup(char *str)
 	if (!strcmp(str, "off")) {
 		pci_probe = 0;
 		return NULL;
+	} else if (!strcmp(str, "bfsort")) {
+		pci_bf_sort = pci_force_bf;
+		return NULL;
+	} else if (!strcmp(str, "nobfsort")) {
+		pci_bf_sort = pci_force_nobf;
+		return NULL;
 	}
 #ifdef CONFIG_PCI_BIOS
 	else if (!strcmp(str, "bios")) {
@@ -288,7 +343,6 @@ int pcibios_enable_device(struct pci_dev *dev, int mask)
 
 void pcibios_disable_device (struct pci_dev *dev)
 {
-	pcibios_disable_resources(dev);
 	if (pcibios_disable_irq)
 		pcibios_disable_irq(dev);
 }
diff --git a/arch/i386/pci/fixup.c b/arch/i386/pci/fixup.c
index b60d7e8689e..c1949ff38d6 100644
--- a/arch/i386/pci/fixup.c
+++ b/arch/i386/pci/fixup.c
@@ -348,8 +348,8 @@ DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL,	PCI_DEVICE_ID_INTEL_MCH_PC1,	pcie_r
  * From information provided by "Jon Smirl" <jonsmirl@gmail.com>
  *
  * The standard boot ROM sequence for an x86 machine uses the BIOS
- * to select an initial video card for boot display. This boot video 
- * card will have it's BIOS copied to C0000 in system RAM. 
+ * to select an initial video card for boot display. This boot video
+ * card will have it's BIOS copied to C0000 in system RAM.
  * IORESOURCE_ROM_SHADOW is used to associate the boot video
  * card with this copy. On laptops this copy has to be used since
  * the main ROM may be compressed or combined with another image.
@@ -371,7 +371,17 @@ static void __devinit pci_fixup_video(struct pci_dev *pdev)
 	bus = pdev->bus;
 	while (bus) {
 		bridge = bus->self;
-		if (bridge) {
+
+		/*
+		 * From information provided by
+		 * "David Miller" <davem@davemloft.net>
+		 * The bridge control register is valid for PCI header
+		 * type BRIDGE, or CARDBUS. Host to PCI controllers use
+		 * PCI header type NORMAL.
+		 */
+		if (bridge
+		    &&((bridge->hdr_type == PCI_HEADER_TYPE_BRIDGE)
+		       ||(bridge->hdr_type == PCI_HEADER_TYPE_CARDBUS))) {
 			pci_read_config_word(bridge, PCI_BRIDGE_CONTROL,
 						&config);
 			if (!(config & PCI_BRIDGE_CTL_VGA))
diff --git a/arch/i386/pci/i386.c b/arch/i386/pci/i386.c
index 10154a2cac6..98580292f0d 100644
--- a/arch/i386/pci/i386.c
+++ b/arch/i386/pci/i386.c
@@ -242,15 +242,6 @@ int pcibios_enable_resources(struct pci_dev *dev, int mask)
 	return 0;
 }
 
-void pcibios_disable_resources(struct pci_dev *dev)
-{
-	u16 cmd;
-
-	pci_read_config_word(dev, PCI_COMMAND, &cmd);
-	cmd &= ~(PCI_COMMAND_IO | PCI_COMMAND_MEMORY);
-	pci_write_config_word(dev, PCI_COMMAND, cmd);
-}
-
 /*
  *  If we set up a device for bus mastering, we need to check the latency
  *  timer as certain crappy BIOSes forget to set it properly.
diff --git a/arch/i386/pci/irq.c b/arch/i386/pci/irq.c
index dbc4aae9195..69163998ade 100644
--- a/arch/i386/pci/irq.c
+++ b/arch/i386/pci/irq.c
@@ -255,13 +255,13 @@ static int pirq_via_set(struct pci_dev *router, struct pci_dev *dev, int pirq, i
  */
 static int pirq_via586_get(struct pci_dev *router, struct pci_dev *dev, int pirq)
 {
-	static const unsigned int pirqmap[4] = { 3, 2, 5, 1 };
+	static const unsigned int pirqmap[5] = { 3, 2, 5, 1, 1 };
 	return read_config_nybble(router, 0x55, pirqmap[pirq-1]);
 }
 
 static int pirq_via586_set(struct pci_dev *router, struct pci_dev *dev, int pirq, int irq)
 {
-	static const unsigned int pirqmap[4] = { 3, 2, 5, 1 };
+	static const unsigned int pirqmap[5] = { 3, 2, 5, 1, 1 };
 	write_config_nybble(router, 0x55, pirqmap[pirq-1], irq);
 	return 1;
 }
diff --git a/arch/i386/pci/mmconfig.c b/arch/i386/pci/mmconfig.c
index d0c3da3aa2a..c6b6d9bbc45 100644
--- a/arch/i386/pci/mmconfig.c
+++ b/arch/i386/pci/mmconfig.c
@@ -154,38 +154,6 @@ static struct pci_raw_ops pci_mmcfg = {
 	.write =	pci_mmcfg_write,
 };
 
-
-static __init void pci_mmcfg_insert_resources(void)
-{
-#define PCI_MMCFG_RESOURCE_NAME_LEN 19
-	int i;
-	struct resource *res;
-	char *names;
-	unsigned num_buses;
-
-	res = kcalloc(PCI_MMCFG_RESOURCE_NAME_LEN + sizeof(*res),
-			pci_mmcfg_config_num, GFP_KERNEL);
-
-	if (!res) {
-		printk(KERN_ERR "PCI: Unable to allocate MMCONFIG resources\n");
-		return;
-	}
-
-	names = (void *)&res[pci_mmcfg_config_num];
-	for (i = 0; i < pci_mmcfg_config_num; i++, res++) {
-		num_buses = pci_mmcfg_config[i].end_bus_number -
-		    pci_mmcfg_config[i].start_bus_number + 1;
-		res->name = names;
-		snprintf(names, PCI_MMCFG_RESOURCE_NAME_LEN, "PCI MMCONFIG %u",
-			pci_mmcfg_config[i].pci_segment_group_number);
-		res->start = pci_mmcfg_config[i].base_address;
-		res->end = res->start + (num_buses << 20) - 1;
-		res->flags = IORESOURCE_MEM | IORESOURCE_BUSY;
-		insert_resource(&iomem_resource, res);
-		names += PCI_MMCFG_RESOURCE_NAME_LEN;
-	}
-}
-
 /* K8 systems have some devices (typically in the builtin northbridge)
    that are only accessible using type1
    Normally this can be expressed in the MCFG by not listing them
@@ -222,8 +190,6 @@ static __init void unreachable_devices(void)
 	}
 }
 
-
-
 void __init pci_mmcfg_init(int type)
 {
 	if ((pci_probe & PCI_PROBE_MMCONF) == 0)
@@ -251,5 +217,4 @@ void __init pci_mmcfg_init(int type)
 	pci_probe = (pci_probe & ~PCI_PROBE_MASK) | PCI_PROBE_MMCONF;
 
 	unreachable_devices();
-	pci_mmcfg_insert_resources();
 }
diff --git a/arch/i386/pci/pci.h b/arch/i386/pci/pci.h
index 1814f74569c..a0a25180b61 100644
--- a/arch/i386/pci/pci.h
+++ b/arch/i386/pci/pci.h
@@ -30,13 +30,19 @@
 extern unsigned int pci_probe;
 extern unsigned long pirq_table_addr;
 
+enum pci_bf_sort_state {
+	pci_bf_sort_default,
+	pci_force_nobf,
+	pci_force_bf,
+	pci_dmi_bf,
+};
+
 /* pci-i386.c */
 
 extern unsigned int pcibios_max_latency;
 
 void pcibios_resource_survey(void);
 int pcibios_enable_resources(struct pci_dev *, int);
-void pcibios_disable_resources(struct pci_dev *);
 
 /* pci-pc.c */