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]: Fix SBUS IRQ regression caused by PCI-E driver.
  [SPARC64]: Fix 2 bugs in PCI Sabre bus scanning.

3 files changed, 65 insertions, 60 deletions

diff --git a/arch/sparc64/kernel/pci_sabre.c b/arch/sparc64/kernel/pci_sabre.c
index 323d6c27851..22e1be5c748 100644
--- a/arch/sparc64/kernel/pci_sabre.c
+++ b/arch/sparc64/kernel/pci_sabre.c
@@ -636,13 +636,18 @@ static void apb_init(struct pci_bus *sabre_bus)
 static void sabre_scan_bus(struct pci_pbm_info *pbm)
 {
 	static int once;
-	struct pci_bus *pbus;
 
 	/* The APB bridge speaks to the Sabre host PCI bridge
 	 * at 66Mhz, but the front side of APB runs at 33Mhz
 	 * for both segments.
+	 *
+	 * Hummingbird systems do not use APB, so they run
+	 * at 66MHZ.
 	 */
-	pbm->is_66mhz_capable = 0;
+	if (hummingbird_p)
+		pbm->is_66mhz_capable = 1;
+	else
+		pbm->is_66mhz_capable = 0;
 
 	/* This driver has not been verified to handle
 	 * multiple SABREs yet, so trap this.
@@ -656,13 +661,13 @@ static void sabre_scan_bus(struct pci_pbm_info *pbm)
 	}
 	once++;
 
-	pbus = pci_scan_one_pbm(pbm);
-	if (!pbus)
+	pbm->pci_bus = pci_scan_one_pbm(pbm);
+	if (!pbm->pci_bus)
 		return;
 
-	sabre_root_bus = pbus;
+	sabre_root_bus = pbm->pci_bus;
 
-	apb_init(pbus);
+	apb_init(pbm->pci_bus);
 
 	sabre_register_error_handlers(pbm);
 }
diff --git a/arch/sparc64/kernel/prom.c b/arch/sparc64/kernel/prom.c
index 6f4a5284b0e..61036b34666 100644
--- a/arch/sparc64/kernel/prom.c
+++ b/arch/sparc64/kernel/prom.c
@@ -933,29 +933,29 @@ static void __init fire_irq_trans_init(struct device_node *dp)
  * This should conform to both Sunfire/Wildfire server and Fusion
  * desktop designs.
  */
-#define SYSIO_IMAP_SLOT0	0x2c04UL
-#define SYSIO_IMAP_SLOT1	0x2c0cUL
-#define SYSIO_IMAP_SLOT2	0x2c14UL
-#define SYSIO_IMAP_SLOT3	0x2c1cUL
-#define SYSIO_IMAP_SCSI		0x3004UL
-#define SYSIO_IMAP_ETH		0x300cUL
-#define SYSIO_IMAP_BPP		0x3014UL
-#define SYSIO_IMAP_AUDIO	0x301cUL
-#define SYSIO_IMAP_PFAIL	0x3024UL
-#define SYSIO_IMAP_KMS		0x302cUL
-#define SYSIO_IMAP_FLPY		0x3034UL
-#define SYSIO_IMAP_SHW		0x303cUL
-#define SYSIO_IMAP_KBD		0x3044UL
-#define SYSIO_IMAP_MS		0x304cUL
-#define SYSIO_IMAP_SER		0x3054UL
-#define SYSIO_IMAP_TIM0		0x3064UL
-#define SYSIO_IMAP_TIM1		0x306cUL
-#define SYSIO_IMAP_UE		0x3074UL
-#define SYSIO_IMAP_CE		0x307cUL
-#define SYSIO_IMAP_SBERR	0x3084UL
-#define SYSIO_IMAP_PMGMT	0x308cUL
-#define SYSIO_IMAP_GFX		0x3094UL
-#define SYSIO_IMAP_EUPA		0x309cUL
+#define SYSIO_IMAP_SLOT0	0x2c00UL
+#define SYSIO_IMAP_SLOT1	0x2c08UL
+#define SYSIO_IMAP_SLOT2	0x2c10UL
+#define SYSIO_IMAP_SLOT3	0x2c18UL
+#define SYSIO_IMAP_SCSI		0x3000UL
+#define SYSIO_IMAP_ETH		0x3008UL
+#define SYSIO_IMAP_BPP		0x3010UL
+#define SYSIO_IMAP_AUDIO	0x3018UL
+#define SYSIO_IMAP_PFAIL	0x3020UL
+#define SYSIO_IMAP_KMS		0x3028UL
+#define SYSIO_IMAP_FLPY		0x3030UL
+#define SYSIO_IMAP_SHW		0x3038UL
+#define SYSIO_IMAP_KBD		0x3040UL
+#define SYSIO_IMAP_MS		0x3048UL
+#define SYSIO_IMAP_SER		0x3050UL
+#define SYSIO_IMAP_TIM0		0x3060UL
+#define SYSIO_IMAP_TIM1		0x3068UL
+#define SYSIO_IMAP_UE		0x3070UL
+#define SYSIO_IMAP_CE		0x3078UL
+#define SYSIO_IMAP_SBERR	0x3080UL
+#define SYSIO_IMAP_PMGMT	0x3088UL
+#define SYSIO_IMAP_GFX		0x3090UL
+#define SYSIO_IMAP_EUPA		0x3098UL
 
 #define bogon     ((unsigned long) -1)
 static unsigned long sysio_irq_offsets[] = {
@@ -1006,10 +1006,10 @@ static unsigned long sysio_irq_offsets[] = {
  * Interrupt Clear register pointer, SYSIO specific version.
  */
 #define SYSIO_ICLR_UNUSED0	0x3400UL
-#define SYSIO_ICLR_SLOT0	0x340cUL
-#define SYSIO_ICLR_SLOT1	0x344cUL
-#define SYSIO_ICLR_SLOT2	0x348cUL
-#define SYSIO_ICLR_SLOT3	0x34ccUL
+#define SYSIO_ICLR_SLOT0	0x3408UL
+#define SYSIO_ICLR_SLOT1	0x3448UL
+#define SYSIO_ICLR_SLOT2	0x3488UL
+#define SYSIO_ICLR_SLOT3	0x34c8UL
 static unsigned long sysio_imap_to_iclr(unsigned long imap)
 {
 	unsigned long diff = SYSIO_ICLR_UNUSED0 - SYSIO_IMAP_SLOT0;
diff --git a/arch/sparc64/kernel/sbus.c b/arch/sparc64/kernel/sbus.c
index 91f6e2a74ad..a1fd9bcc0b8 100644
--- a/arch/sparc64/kernel/sbus.c
+++ b/arch/sparc64/kernel/sbus.c
@@ -629,29 +629,29 @@ void sbus_set_sbus64(struct sbus_dev *sdev, int bursts)
  * This should conform to both Sunfire/Wildfire server and Fusion
  * desktop designs.
  */
-#define SYSIO_IMAP_SLOT0	0x2c04UL
-#define SYSIO_IMAP_SLOT1	0x2c0cUL
-#define SYSIO_IMAP_SLOT2	0x2c14UL
-#define SYSIO_IMAP_SLOT3	0x2c1cUL
-#define SYSIO_IMAP_SCSI		0x3004UL
-#define SYSIO_IMAP_ETH		0x300cUL
-#define SYSIO_IMAP_BPP		0x3014UL
-#define SYSIO_IMAP_AUDIO	0x301cUL
-#define SYSIO_IMAP_PFAIL	0x3024UL
-#define SYSIO_IMAP_KMS		0x302cUL
-#define SYSIO_IMAP_FLPY		0x3034UL
-#define SYSIO_IMAP_SHW		0x303cUL
-#define SYSIO_IMAP_KBD		0x3044UL
-#define SYSIO_IMAP_MS		0x304cUL
-#define SYSIO_IMAP_SER		0x3054UL
-#define SYSIO_IMAP_TIM0		0x3064UL
-#define SYSIO_IMAP_TIM1		0x306cUL
-#define SYSIO_IMAP_UE		0x3074UL
-#define SYSIO_IMAP_CE		0x307cUL
-#define SYSIO_IMAP_SBERR	0x3084UL
-#define SYSIO_IMAP_PMGMT	0x308cUL
-#define SYSIO_IMAP_GFX		0x3094UL
-#define SYSIO_IMAP_EUPA		0x309cUL
+#define SYSIO_IMAP_SLOT0	0x2c00UL
+#define SYSIO_IMAP_SLOT1	0x2c08UL
+#define SYSIO_IMAP_SLOT2	0x2c10UL
+#define SYSIO_IMAP_SLOT3	0x2c18UL
+#define SYSIO_IMAP_SCSI		0x3000UL
+#define SYSIO_IMAP_ETH		0x3008UL
+#define SYSIO_IMAP_BPP		0x3010UL
+#define SYSIO_IMAP_AUDIO	0x3018UL
+#define SYSIO_IMAP_PFAIL	0x3020UL
+#define SYSIO_IMAP_KMS		0x3028UL
+#define SYSIO_IMAP_FLPY		0x3030UL
+#define SYSIO_IMAP_SHW		0x3038UL
+#define SYSIO_IMAP_KBD		0x3040UL
+#define SYSIO_IMAP_MS		0x3048UL
+#define SYSIO_IMAP_SER		0x3050UL
+#define SYSIO_IMAP_TIM0		0x3060UL
+#define SYSIO_IMAP_TIM1		0x3068UL
+#define SYSIO_IMAP_UE		0x3070UL
+#define SYSIO_IMAP_CE		0x3078UL
+#define SYSIO_IMAP_SBERR	0x3080UL
+#define SYSIO_IMAP_PMGMT	0x3088UL
+#define SYSIO_IMAP_GFX		0x3090UL
+#define SYSIO_IMAP_EUPA		0x3098UL
 
 #define bogon     ((unsigned long) -1)
 static unsigned long sysio_irq_offsets[] = {
@@ -700,10 +700,10 @@ static unsigned long sysio_irq_offsets[] = {
  * Interrupt Clear register pointer, SYSIO specific version.
  */
 #define SYSIO_ICLR_UNUSED0	0x3400UL
-#define SYSIO_ICLR_SLOT0	0x340cUL
-#define SYSIO_ICLR_SLOT1	0x344cUL
-#define SYSIO_ICLR_SLOT2	0x348cUL
-#define SYSIO_ICLR_SLOT3	0x34ccUL
+#define SYSIO_ICLR_SLOT0	0x3408UL
+#define SYSIO_ICLR_SLOT1	0x3448UL
+#define SYSIO_ICLR_SLOT2	0x3488UL
+#define SYSIO_ICLR_SLOT3	0x34c8UL
 static unsigned long sysio_imap_to_iclr(unsigned long imap)
 {
 	unsigned long diff = SYSIO_ICLR_UNUSED0 - SYSIO_IMAP_SLOT0;