Merge git://oak/home/sfr/kernels/iseries/work

arch/powerpc/kernel/irq.c

@@ -71,6 +71,11 @@
 #include <asm/paca.h>
 #endif
 
+int __irq_offset_value;
+#ifdef CONFIG_PPC32
+EXPORT_SYMBOL(__irq_offset_value);
+#endif
+
 static int ppc_spurious_interrupts;
 
 #if defined(CONFIG_PPC_ISERIES) && defined(CONFIG_SMP)
@@ -98,7 +103,6 @@ extern atomic_t ipi_sent;
 EXPORT_SYMBOL(irq_desc);
 
 int distribute_irqs = 1;
-int __irq_offset_value;
 u64 ppc64_interrupt_controller;
 #endif /* CONFIG_PPC64 */
 
@@ -311,7 +315,6 @@ void __init init_IRQ(void)
 }
 
 #ifdef CONFIG_PPC64
-#ifndef CONFIG_PPC_ISERIES
 /*
  * Virtual IRQ mapping code, used on systems with XICS interrupt controllers.
  */
@@ -420,8 +423,6 @@ unsigned int real_irq_to_virt_slowpath(unsigned int real_irq)
 
 }
 
-#endif /* CONFIG_PPC_ISERIES */
-
 #ifdef CONFIG_IRQSTACKS
 struct thread_info *softirq_ctx[NR_CPUS];
 struct thread_info *hardirq_ctx[NR_CPUS];

arch/powerpc/kernel/lparcfg.c

@@ -42,32 +42,6 @@
 
 /* #define LPARCFG_DEBUG */
 
-/* find a better place for this function... */
-static void log_plpar_hcall_return(unsigned long rc, char *tag)
-{
-	if (rc == 0)		/* success, return */
-		return;
-/* check for null tag ? */
-	if (rc == H_Hardware)
-		printk(KERN_INFO
-		       "plpar-hcall (%s) failed with hardware fault\n", tag);
-	else if (rc == H_Function)
-		printk(KERN_INFO
-		       "plpar-hcall (%s) failed; function not allowed\n", tag);
-	else if (rc == H_Authority)
-		printk(KERN_INFO
-		       "plpar-hcall (%s) failed; not authorized to this function\n",
-		       tag);
-	else if (rc == H_Parameter)
-		printk(KERN_INFO "plpar-hcall (%s) failed; Bad parameter(s)\n",
-		       tag);
-	else
-		printk(KERN_INFO
-		       "plpar-hcall (%s) failed with unexpected rc(0x%lx)\n",
-		       tag, rc);
-
-}
-
 static struct proc_dir_entry *proc_ppc64_lparcfg;
 #define LPARCFG_BUFF_SIZE 4096
 
@@ -172,6 +146,31 @@ static int lparcfg_data(struct seq_file *m, void *v)
 /*
  * Methods used to fetch LPAR data when running on a pSeries platform.
  */
+/* find a better place for this function... */
+static void log_plpar_hcall_return(unsigned long rc, char *tag)
+{
+	if (rc == 0)		/* success, return */
+		return;
+/* check for null tag ? */
+	if (rc == H_Hardware)
+		printk(KERN_INFO
+		       "plpar-hcall (%s) failed with hardware fault\n", tag);
+	else if (rc == H_Function)
+		printk(KERN_INFO
+		       "plpar-hcall (%s) failed; function not allowed\n", tag);
+	else if (rc == H_Authority)
+		printk(KERN_INFO
+		       "plpar-hcall (%s) failed; not authorized to this function\n",
+		       tag);
+	else if (rc == H_Parameter)
+		printk(KERN_INFO "plpar-hcall (%s) failed; Bad parameter(s)\n",
+		       tag);
+	else
+		printk(KERN_INFO
+		       "plpar-hcall (%s) failed with unexpected rc(0x%lx)\n",
+		       tag, rc);
+
+}
 
 /*
  * H_GET_PPP hcall returns info in 4 parms.

arch/powerpc/kernel/setup_32.c

@@ -57,10 +57,6 @@ extern void power4_idle(void);
 boot_infos_t *boot_infos;
 struct ide_machdep_calls ppc_ide_md;
 
-/* XXX should go elsewhere */
-int __irq_offset_value;
-EXPORT_SYMBOL(__irq_offset_value);
-
 int boot_cpuid;
 EXPORT_SYMBOL_GPL(boot_cpuid);
 int boot_cpuid_phys;

arch/powerpc/platforms/iseries/irq.c

@@ -42,13 +42,6 @@
 #include "irq.h"
 #include "call_pci.h"
 
-/* This maps virtual irq numbers to real irqs */
-unsigned int virt_irq_to_real_map[NR_IRQS];
-
-/* The next available virtual irq number */
-/* Note: the pcnet32 driver assumes irq numbers < 2 aren't valid. :( */
-static int next_virtual_irq = 2;
-
 static long Pci_Interrupt_Count;
 static long Pci_Event_Count;
 
@@ -350,26 +343,14 @@ static hw_irq_controller iSeries_IRQ_handler = {
 int __init iSeries_allocate_IRQ(HvBusNumber busNumber,
 		HvSubBusNumber subBusNumber, HvAgentId deviceId)
 {
-	unsigned int realirq, virtirq;
+	int virtirq;
+	unsigned int realirq;
 	u8 idsel = (deviceId >> 4);
 	u8 function = deviceId & 7;
 
-	virtirq = next_virtual_irq++;
 	realirq = ((busNumber - 1) << 6) + ((idsel - 1) << 3) + function;
-	virt_irq_to_real_map[virtirq] = realirq;
+	virtirq = virt_irq_create_mapping(realirq);
 
 	irq_desc[virtirq].handler = &iSeries_IRQ_handler;
 	return virtirq;
 }
-
-int virt_irq_create_mapping(unsigned int real_irq)
-{
-	BUG(); /* Don't call this on iSeries, yet */
-
-	return 0;
-}
-
-void virt_irq_init(void)
-{
-	return;
-}

arch/powerpc/platforms/iseries/setup.c

@@ -39,7 +39,6 @@
 #include <asm/sections.h>
 #include <asm/iommu.h>
 #include <asm/firmware.h>
-#include <asm/systemcfg.h>
 #include <asm/system.h>
 #include <asm/time.h>
 #include <asm/paca.h>
@@ -548,8 +547,6 @@ static unsigned long __init build_iSeries_Memory_Map(void)
  */
 static void __init iSeries_setup_arch(void)
 {
-	unsigned procIx = get_paca()->lppaca.dyn_hv_phys_proc_index;
-
 	if (get_paca()->lppaca.shared_proc) {
 		ppc_md.idle_loop = iseries_shared_idle;
 		printk(KERN_INFO "Using shared processor idle loop\n");
@@ -565,9 +562,6 @@ static void __init iSeries_setup_arch(void)
 			itVpdAreas.xSlicMaxLogicalProcs);
 	printk("Max physical processors = %d\n",
 			itVpdAreas.xSlicMaxPhysicalProcs);
-
-	_systemcfg->processor = xIoHriProcessorVpd[procIx].xPVR;
-	printk("Processor version = %x\n", _systemcfg->processor);
 }
 
 static void iSeries_show_cpuinfo(struct seq_file *m)