ia64: remove now unused machvec indirections

With the SGI SN2 machvec removal most of the indirections are unused
now, so remove them.  This includes the entire removal of the mmio
read*/write* macros as the generic ones are identical to the
asm-generic/io.h version.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Link: https://lkml.kernel.org/r/20190813072514.23299-17-hch@lst.de
Signed-off-by: Tony Luck <tony.luck@intel.com>

12 files changed, 15 insertions, 58 deletions

diff --git a/arch/ia64/kernel/iosapic.c b/arch/ia64/kernel/iosapic.c
index fe6e4946672e..9e49fd006859 100644
--- a/arch/ia64/kernel/iosapic.c
+++ b/arch/ia64/kernel/iosapic.c
@@ -67,10 +67,7 @@
  *     used as architecture-independent interrupt handling mechanism in Linux.
  *     As an IRQ is a number, we have to have
  *     IA-64 interrupt vector number <-> IRQ number mapping.  On smaller
- *     systems, we use one-to-one mapping between IA-64 vector and IRQ.  A
- *     platform can implement platform_irq_to_vector(irq) and
- *     platform_local_vector_to_irq(vector) APIs to differentiate the mapping.
- *     Please see also arch/ia64/include/asm/hw_irq.h for those APIs.
+ *     systems, we use one-to-one mapping between IA-64 vector and IRQ.
  *
  * To sum up, there are three levels of mappings involved:
  *
diff --git a/arch/ia64/kernel/irq.c b/arch/ia64/kernel/irq.c
index 6d17d26caf98..0a8e5e585edc 100644
--- a/arch/ia64/kernel/irq.c
+++ b/arch/ia64/kernel/irq.c
@@ -35,18 +35,6 @@ void ack_bad_irq(unsigned int irq)
 	printk(KERN_ERR "Unexpected irq vector 0x%x on CPU %u!\n", irq, smp_processor_id());
 }
 
-#ifdef CONFIG_IA64_GENERIC
-ia64_vector __ia64_irq_to_vector(int irq)
-{
-	return irq_cfg[irq].vector;
-}
-
-unsigned int __ia64_local_vector_to_irq (ia64_vector vec)
-{
-	return __this_cpu_read(vector_irq[vec]);
-}
-#endif
-
 /*
  * Interrupt statistics:
  */
diff --git a/arch/ia64/kernel/irq_ia64.c b/arch/ia64/kernel/irq_ia64.c
index ab87d6c25b15..1c81ec752b04 100644
--- a/arch/ia64/kernel/irq_ia64.c
+++ b/arch/ia64/kernel/irq_ia64.c
@@ -314,7 +314,7 @@ void irq_complete_move(unsigned irq)
 	cpumask_and(&cleanup_mask, &cfg->old_domain, cpu_online_mask);
 	cfg->move_cleanup_count = cpumask_weight(&cleanup_mask);
 	for_each_cpu(i, &cleanup_mask)
-		platform_send_ipi(i, IA64_IRQ_MOVE_VECTOR, IA64_IPI_DM_INT, 0);
+		ia64_send_ipi(i, IA64_IRQ_MOVE_VECTOR, IA64_IPI_DM_INT, 0);
 	cfg->move_in_progress = 0;
 }
 
diff --git a/arch/ia64/kernel/machine_kexec.c b/arch/ia64/kernel/machine_kexec.c
index 3b1dd5496d08..efc9b568401c 100644
--- a/arch/ia64/kernel/machine_kexec.c
+++ b/arch/ia64/kernel/machine_kexec.c
@@ -127,7 +127,6 @@ static void ia64_machine_kexec(struct unw_frame_info *info, void *arg)
 	ia64_srlz_d();
 	while (ia64_get_ivr() != IA64_SPURIOUS_INT_VECTOR)
 		ia64_eoi();
-	platform_kernel_launch_event();
 	rnk = (relocate_new_kernel_t)&code_addr;
 	(*rnk)(image->head, image->start, ia64_boot_param,
 		     GRANULEROUNDDOWN((unsigned long) pal_addr));
diff --git a/arch/ia64/kernel/machvec.c b/arch/ia64/kernel/machvec.c
index ebd82535f51b..3db3be7aaae5 100644
--- a/arch/ia64/kernel/machvec.c
+++ b/arch/ia64/kernel/machvec.c
@@ -11,7 +11,6 @@
 #include <asm/page.h>
 
 struct ia64_machine_vector ia64_mv = {
-	.mmiowb	= ___ia64_mmiowb
 };
 EXPORT_SYMBOL(ia64_mv);
 
@@ -69,9 +68,3 @@ machvec_setup (char **arg)
 {
 }
 EXPORT_SYMBOL(machvec_setup);
-
-void
-machvec_timer_interrupt (int irq, void *dev_id)
-{
-}
-EXPORT_SYMBOL(machvec_timer_interrupt);
diff --git a/arch/ia64/kernel/mca.c b/arch/ia64/kernel/mca.c
index 79190d877fa7..f72b05fe918b 100644
--- a/arch/ia64/kernel/mca.c
+++ b/arch/ia64/kernel/mca.c
@@ -744,7 +744,7 @@ ia64_mca_cmc_vector_enable_keventd(struct work_struct *unused)
 static void
 ia64_mca_wakeup(int cpu)
 {
-	platform_send_ipi(cpu, IA64_MCA_WAKEUP_VECTOR, IA64_IPI_DM_INT, 0);
+	ia64_send_ipi(cpu, IA64_MCA_WAKEUP_VECTOR, IA64_IPI_DM_INT, 0);
 }
 
 /*
@@ -1490,7 +1490,7 @@ ia64_mca_cmc_int_caller(int cmc_irq, void *arg)
 	cpuid = cpumask_next(cpuid+1, cpu_online_mask);
 
 	if (cpuid < nr_cpu_ids) {
-		platform_send_ipi(cpuid, IA64_CMCP_VECTOR, IA64_IPI_DM_INT, 0);
+		ia64_send_ipi(cpuid, IA64_CMCP_VECTOR, IA64_IPI_DM_INT, 0);
 	} else {
 		/* If no log record, switch out of polling mode */
 		if (start_count == IA64_LOG_COUNT(SAL_INFO_TYPE_CMC)) {
@@ -1523,7 +1523,7 @@ static void
 ia64_mca_cmc_poll (struct timer_list *unused)
 {
 	/* Trigger a CMC interrupt cascade  */
-	platform_send_ipi(cpumask_first(cpu_online_mask), IA64_CMCP_VECTOR,
+	ia64_send_ipi(cpumask_first(cpu_online_mask), IA64_CMCP_VECTOR,
 							IA64_IPI_DM_INT, 0);
 }
 
@@ -1560,7 +1560,7 @@ ia64_mca_cpe_int_caller(int cpe_irq, void *arg)
 	cpuid = cpumask_next(cpuid+1, cpu_online_mask);
 
 	if (cpuid < NR_CPUS) {
-		platform_send_ipi(cpuid, IA64_CPEP_VECTOR, IA64_IPI_DM_INT, 0);
+		ia64_send_ipi(cpuid, IA64_CPEP_VECTOR, IA64_IPI_DM_INT, 0);
 	} else {
 		/*
 		 * If a log was recorded, increase our polling frequency,
@@ -1600,7 +1600,7 @@ static void
 ia64_mca_cpe_poll (struct timer_list *unused)
 {
 	/* Trigger a CPE interrupt cascade  */
-	platform_send_ipi(cpumask_first(cpu_online_mask), IA64_CPEP_VECTOR,
+	ia64_send_ipi(cpumask_first(cpu_online_mask), IA64_CPEP_VECTOR,
 							IA64_IPI_DM_INT, 0);
 }
 
diff --git a/arch/ia64/kernel/msi_ia64.c b/arch/ia64/kernel/msi_ia64.c
index 519d9432f407..df5c28f252e3 100644
--- a/arch/ia64/kernel/msi_ia64.c
+++ b/arch/ia64/kernel/msi_ia64.c
@@ -43,7 +43,7 @@ static int ia64_set_msi_irq_affinity(struct irq_data *idata,
 }
 #endif /* CONFIG_SMP */
 
-int ia64_setup_msi_irq(struct pci_dev *pdev, struct msi_desc *desc)
+int arch_setup_msi_irq(struct pci_dev *pdev, struct msi_desc *desc)
 {
 	struct msi_msg	msg;
 	unsigned long	dest_phys_id;
@@ -77,7 +77,7 @@ int ia64_setup_msi_irq(struct pci_dev *pdev, struct msi_desc *desc)
 	return 0;
 }
 
-void ia64_teardown_msi_irq(unsigned int irq)
+void arch_teardown_msi_irq(unsigned int irq)
 {
 	destroy_irq(irq);
 }
@@ -111,23 +111,6 @@ static struct irq_chip ia64_msi_chip = {
 	.irq_retrigger		= ia64_msi_retrigger_irq,
 };
 
-
-int arch_setup_msi_irq(struct pci_dev *pdev, struct msi_desc *desc)
-{
-	if (platform_setup_msi_irq)
-		return platform_setup_msi_irq(pdev, desc);
-
-	return ia64_setup_msi_irq(pdev, desc);
-}
-
-void arch_teardown_msi_irq(unsigned int irq)
-{
-	if (platform_teardown_msi_irq)
-		return platform_teardown_msi_irq(irq);
-
-	return ia64_teardown_msi_irq(irq);
-}
-
 #ifdef CONFIG_INTEL_IOMMU
 #ifdef CONFIG_SMP
 static int dmar_msi_set_affinity(struct irq_data *data,
diff --git a/arch/ia64/kernel/sal.c b/arch/ia64/kernel/sal.c
index 17085a8078fe..c455ece977ad 100644
--- a/arch/ia64/kernel/sal.c
+++ b/arch/ia64/kernel/sal.c
@@ -249,7 +249,7 @@ check_sal_cache_flush (void)
 	 * Send ourselves a timer interrupt, wait until it's reported, and see
 	 * if SAL_CACHE_FLUSH drops it.
 	 */
-	platform_send_ipi(cpu, IA64_TIMER_VECTOR, IA64_IPI_DM_INT, 0);
+	ia64_send_ipi(cpu, IA64_TIMER_VECTOR, IA64_IPI_DM_INT, 0);
 
 	while (!ia64_get_irr(IA64_TIMER_VECTOR))
 		cpu_relax();
diff --git a/arch/ia64/kernel/setup.c b/arch/ia64/kernel/setup.c
index 78d0d22dd17e..4dc74500eac5 100644
--- a/arch/ia64/kernel/setup.c
+++ b/arch/ia64/kernel/setup.c
@@ -1039,7 +1039,6 @@ cpu_init (void)
 		ia64_patch_phys_stack_reg(num_phys_stacked*8 + 8);
 		max_num_phys_stacked = num_phys_stacked;
 	}
-	platform_cpu_init();
 }
 
 void __init
diff --git a/arch/ia64/kernel/smp.c b/arch/ia64/kernel/smp.c
index 133b63355814..4825b0b41d49 100644
--- a/arch/ia64/kernel/smp.c
+++ b/arch/ia64/kernel/smp.c
@@ -146,7 +146,7 @@ static inline void
 send_IPI_single (int dest_cpu, int op)
 {
 	set_bit(op, &per_cpu(ipi_operation, dest_cpu));
-	platform_send_ipi(dest_cpu, IA64_IPI_VECTOR, IA64_IPI_DM_INT, 0);
+	ia64_send_ipi(dest_cpu, IA64_IPI_VECTOR, IA64_IPI_DM_INT, 0);
 }
 
 /*
@@ -213,7 +213,7 @@ kdump_smp_send_init(void)
 	for_each_online_cpu(cpu) {
 		if (cpu != self_cpu) {
 			if(kdump_status[cpu] == 0)
-				platform_send_ipi(cpu, 0, IA64_IPI_DM_INIT, 0);
+				ia64_send_ipi(cpu, 0, IA64_IPI_DM_INIT, 0);
 		}
 	}
 }
@@ -224,7 +224,7 @@ kdump_smp_send_init(void)
 void
 smp_send_reschedule (int cpu)
 {
-	platform_send_ipi(cpu, IA64_IPI_RESCHEDULE, IA64_IPI_DM_INT, 0);
+	ia64_send_ipi(cpu, IA64_IPI_RESCHEDULE, IA64_IPI_DM_INT, 0);
 }
 EXPORT_SYMBOL_GPL(smp_send_reschedule);
 
@@ -234,7 +234,7 @@ EXPORT_SYMBOL_GPL(smp_send_reschedule);
 static void
 smp_send_local_flush_tlb (int cpu)
 {
-	platform_send_ipi(cpu, IA64_IPI_LOCAL_TLB_FLUSH, IA64_IPI_DM_INT, 0);
+	ia64_send_ipi(cpu, IA64_IPI_LOCAL_TLB_FLUSH, IA64_IPI_DM_INT, 0);
 }
 
 void
diff --git a/arch/ia64/kernel/smpboot.c b/arch/ia64/kernel/smpboot.c
index df56f739dd11..f7058659526c 100644
--- a/arch/ia64/kernel/smpboot.c
+++ b/arch/ia64/kernel/smpboot.c
@@ -467,7 +467,7 @@ do_boot_cpu (int sapicid, int cpu, struct task_struct *idle)
 	Dprintk("Sending wakeup vector %lu to AP 0x%x/0x%x.\n", ap_wakeup_vector, cpu, sapicid);
 
 	set_brendez_area(cpu);
-	platform_send_ipi(cpu, ap_wakeup_vector, IA64_IPI_DM_INT, 0);
+	ia64_send_ipi(cpu, ap_wakeup_vector, IA64_IPI_DM_INT, 0);
 
 	/*
 	 * Wait 10s total for the AP to start
diff --git a/arch/ia64/kernel/time.c b/arch/ia64/kernel/time.c
index 4ecd81b0e8ec..d9ad93a6d825 100644
--- a/arch/ia64/kernel/time.c
+++ b/arch/ia64/kernel/time.c
@@ -167,8 +167,6 @@ timer_interrupt (int irq, void *dev_id)
 		return IRQ_HANDLED;
 	}
 
-	platform_timer_interrupt(irq, dev_id);
-
 	new_itm = local_cpu_data->itm_next;
 
 	if (!time_after(ia64_get_itc(), new_itm))