Merge tag 'please-pull-ia64_for_5.7' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux

Pull ia64 updates from Tony Luck:
 "Couple of cleanup patches"

* tag 'please-pull-ia64_for_5.7' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux:
  tty/serial: cleanup after ioc*_serial driver removal
  ia64: replace setup_irq() by request_irq()

Author: torvalds

MAINTAINERS

@@ -7978,6 +7978,7 @@ L:	[email protected]
 T:	git git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux.git
 S:	Maintained
 F:	arch/ia64/
+F:	Documentation/ia64/
 
 IBM Power 842 compression accelerator
 M:	Haren Myneni <[email protected]>
@@ -15095,14 +15096,6 @@ M:	Dimitri Sivanich <[email protected]>
 S:	Maintained
 F:	drivers/misc/sgi-gru/
 
-SGI SN-IA64 (Altix) SERIAL CONSOLE DRIVER
-M:	Pat Gefre <[email protected]>
-L:	[email protected]
-S:	Supported
-F:	Documentation/ia64/serial.rst
-F:	drivers/tty/serial/ioc?_serial.c
-F:	include/linux/ioc?.h
-
 SGI XP/XPC/XPNET DRIVER
 M:	Cliff Whickman <[email protected]>
 M:	Robin Holt <[email protected]>

arch/ia64/include/asm/hw_irq.h

@@ -113,7 +113,6 @@ extern struct irq_chip irq_type_ia64_lsapic;	/* CPU-internal interrupt controlle
 #define ia64_register_ipi	ia64_native_register_ipi
 #define assign_irq_vector	ia64_native_assign_irq_vector
 #define free_irq_vector		ia64_native_free_irq_vector
-#define register_percpu_irq	ia64_native_register_percpu_irq
 #define ia64_resend_irq		ia64_native_resend_irq
 
 extern void ia64_native_register_ipi(void);
@@ -123,7 +122,6 @@ extern void ia64_native_free_irq_vector (int vector);
 extern int reserve_irq_vector (int vector);
 extern void __setup_vector_irq(int cpu);
 extern void ia64_send_ipi (int cpu, int vector, int delivery_mode, int redirect);
-extern void ia64_native_register_percpu_irq (ia64_vector vec, struct irqaction *action);
 extern void destroy_and_reserve_irq (unsigned int irq);
 
 #ifdef CONFIG_SMP

arch/ia64/kernel/irq.h

@@ -0,0 +1,3 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+extern void register_percpu_irq(ia64_vector vec, irq_handler_t handler,
+				unsigned long flags, const char *name);

arch/ia64/kernel/irq_ia64.c

@@ -351,11 +351,6 @@ static irqreturn_t smp_irq_move_cleanup_interrupt(int irq, void *dev_id)
 	return IRQ_HANDLED;
 }
 
-static struct irqaction irq_move_irqaction = {
-	.handler =	smp_irq_move_cleanup_interrupt,
-	.name =		"irq_move"
-};
-
 static int __init parse_vector_domain(char *arg)
 {
 	if (!arg)
@@ -586,47 +581,36 @@ static irqreturn_t dummy_handler (int irq, void *dev_id)
 	return IRQ_NONE;
 }
 
-static struct irqaction ipi_irqaction = {
-	.handler =	handle_IPI,
-	.name =		"IPI"
-};
-
 /*
  * KVM uses this interrupt to force a cpu out of guest mode
  */
-static struct irqaction resched_irqaction = {
-	.handler =	dummy_handler,
-	.name =		"resched"
-};
-
-static struct irqaction tlb_irqaction = {
-	.handler =	dummy_handler,
-	.name =		"tlb_flush"
-};
 
 #endif
 
 void
-ia64_native_register_percpu_irq (ia64_vector vec, struct irqaction *action)
+register_percpu_irq(ia64_vector vec, irq_handler_t handler, unsigned long flags,
+		    const char *name)
 {
 	unsigned int irq;
 
 	irq = vec;
 	BUG_ON(bind_irq_vector(irq, vec, CPU_MASK_ALL));
 	irq_set_status_flags(irq, IRQ_PER_CPU);
 	irq_set_chip(irq, &irq_type_ia64_lsapic);
-	if (action)
-		setup_irq(irq, action);
+	if (handler)
+		if (request_irq(irq, handler, flags, name, NULL))
+			pr_err("Failed to request irq %u (%s)\n", irq, name);
 	irq_set_handler(irq, handle_percpu_irq);
 }
 
 void __init
 ia64_native_register_ipi(void)
 {
 #ifdef CONFIG_SMP
-	register_percpu_irq(IA64_IPI_VECTOR, &ipi_irqaction);
-	register_percpu_irq(IA64_IPI_RESCHEDULE, &resched_irqaction);
-	register_percpu_irq(IA64_IPI_LOCAL_TLB_FLUSH, &tlb_irqaction);
+	register_percpu_irq(IA64_IPI_VECTOR, handle_IPI, 0, "IPI");
+	register_percpu_irq(IA64_IPI_RESCHEDULE, dummy_handler, 0, "resched");
+	register_percpu_irq(IA64_IPI_LOCAL_TLB_FLUSH, dummy_handler, 0,
+			    "tlb_flush");
 #endif
 }
 
@@ -635,10 +619,13 @@ init_IRQ (void)
 {
 	acpi_boot_init();
 	ia64_register_ipi();
-	register_percpu_irq(IA64_SPURIOUS_INT_VECTOR, NULL);
+	register_percpu_irq(IA64_SPURIOUS_INT_VECTOR, NULL, 0, NULL);
 #ifdef CONFIG_SMP
-	if (vector_domain_type != VECTOR_DOMAIN_NONE)
-		register_percpu_irq(IA64_IRQ_MOVE_VECTOR, &irq_move_irqaction);
+	if (vector_domain_type != VECTOR_DOMAIN_NONE) {
+		register_percpu_irq(IA64_IRQ_MOVE_VECTOR,
+				    smp_irq_move_cleanup_interrupt, 0,
+				    "irq_move");
+	}
 #endif
 #ifdef CONFIG_PERFMON
 	pfm_init_percpu();

arch/ia64/kernel/mca.c

@@ -104,6 +104,7 @@
 
 #include "mca_drv.h"
 #include "entry.h"
+#include "irq.h"
 
 #if defined(IA64_MCA_DEBUG_INFO)
 # define IA64_MCA_DEBUG(fmt...)	printk(fmt)
@@ -1766,36 +1767,6 @@ ia64_mca_disable_cpe_polling(char *str)
 
 __setup("disable_cpe_poll", ia64_mca_disable_cpe_polling);
 
-static struct irqaction cmci_irqaction = {
-	.handler =	ia64_mca_cmc_int_handler,
-	.name =		"cmc_hndlr"
-};
-
-static struct irqaction cmcp_irqaction = {
-	.handler =	ia64_mca_cmc_int_caller,
-	.name =		"cmc_poll"
-};
-
-static struct irqaction mca_rdzv_irqaction = {
-	.handler =	ia64_mca_rendez_int_handler,
-	.name =		"mca_rdzv"
-};
-
-static struct irqaction mca_wkup_irqaction = {
-	.handler =	ia64_mca_wakeup_int_handler,
-	.name =		"mca_wkup"
-};
-
-static struct irqaction mca_cpe_irqaction = {
-	.handler =	ia64_mca_cpe_int_handler,
-	.name =		"cpe_hndlr"
-};
-
-static struct irqaction mca_cpep_irqaction = {
-	.handler =	ia64_mca_cpe_int_caller,
-	.name =		"cpe_poll"
-};
-
 /* Minimal format of the MCA/INIT stacks.  The pseudo processes that run on
  * these stacks can never sleep, they cannot return from the kernel to user
  * space, they do not appear in a normal ps listing.  So there is no need to
@@ -2056,18 +2027,23 @@ void __init ia64_mca_irq_init(void)
 	 *  Configure the CMCI/P vector and handler. Interrupts for CMC are
 	 *  per-processor, so AP CMC interrupts are setup in smp_callin() (smpboot.c).
 	 */
-	register_percpu_irq(IA64_CMC_VECTOR, &cmci_irqaction);
-	register_percpu_irq(IA64_CMCP_VECTOR, &cmcp_irqaction);
+	register_percpu_irq(IA64_CMC_VECTOR, ia64_mca_cmc_int_handler, 0,
+			    "cmc_hndlr");
+	register_percpu_irq(IA64_CMCP_VECTOR, ia64_mca_cmc_int_caller, 0,
+			    "cmc_poll");
 	ia64_mca_cmc_vector_setup();       /* Setup vector on BSP */
 
 	/* Setup the MCA rendezvous interrupt vector */
-	register_percpu_irq(IA64_MCA_RENDEZ_VECTOR, &mca_rdzv_irqaction);
+	register_percpu_irq(IA64_MCA_RENDEZ_VECTOR, ia64_mca_rendez_int_handler,
+			    0, "mca_rdzv");
 
 	/* Setup the MCA wakeup interrupt vector */
-	register_percpu_irq(IA64_MCA_WAKEUP_VECTOR, &mca_wkup_irqaction);
+	register_percpu_irq(IA64_MCA_WAKEUP_VECTOR, ia64_mca_wakeup_int_handler,
+			    0, "mca_wkup");
 
 	/* Setup the CPEI/P handler */
-	register_percpu_irq(IA64_CPEP_VECTOR, &mca_cpep_irqaction);
+	register_percpu_irq(IA64_CPEP_VECTOR, ia64_mca_cpe_int_caller, 0,
+			    "cpe_poll");
 }
 
 /*
@@ -2108,7 +2084,9 @@ ia64_mca_late_init(void)
 			if (irq > 0) {
 				cpe_poll_enabled = 0;
 				irq_set_status_flags(irq, IRQ_PER_CPU);
-				setup_irq(irq, &mca_cpe_irqaction);
+				if (request_irq(irq, ia64_mca_cpe_int_handler,
+						0, "cpe_hndlr", NULL))
+					pr_err("Failed to register cpe_hndlr interrupt\n");
 				ia64_cpe_irq = irq;
 				ia64_mca_register_cpev(cpe_vector);
 				IA64_MCA_DEBUG("%s: CPEI/P setup and enabled.\n",

arch/ia64/kernel/perfmon.c

@@ -57,6 +57,8 @@
 #include <linux/uaccess.h>
 #include <asm/delay.h>
 
+#include "irq.h"
+
 #ifdef CONFIG_PERFMON
 /*
  * perfmon context state
@@ -6313,11 +6315,6 @@ pfm_flush_pmds(struct task_struct *task, pfm_context_t *ctx)
 	}
 }
 
-static struct irqaction perfmon_irqaction = {
-	.handler = pfm_interrupt_handler,
-	.name    = "perfmon"
-};
-
 static void
 pfm_alt_save_pmu_state(void *data)
 {
@@ -6591,7 +6588,8 @@ pfm_init_percpu (void)
 	pfm_unfreeze_pmu();
 
 	if (first_time) {
-		register_percpu_irq(IA64_PERFMON_VECTOR, &perfmon_irqaction);
+		register_percpu_irq(IA64_PERFMON_VECTOR, pfm_interrupt_handler,
+				    0, "perfmon");
 		first_time=0;
 	}
 

arch/ia64/kernel/time.c

@@ -32,6 +32,7 @@
 #include <asm/sections.h>
 
 #include "fsyscall_gtod_data.h"
+#include "irq.h"
 
 static u64 itc_get_cycles(struct clocksource *cs);
 
@@ -380,13 +381,6 @@ static u64 itc_get_cycles(struct clocksource *cs)
 	return now;
 }
 
-
-static struct irqaction timer_irqaction = {
-	.handler =	timer_interrupt,
-	.flags =	IRQF_IRQPOLL,
-	.name =		"timer"
-};
-
 void read_persistent_clock64(struct timespec64 *ts)
 {
 	efi_gettimeofday(ts);
@@ -395,7 +389,8 @@ void read_persistent_clock64(struct timespec64 *ts)
 void __init
 time_init (void)
 {
-	register_percpu_irq(IA64_TIMER_VECTOR, &timer_irqaction);
+	register_percpu_irq(IA64_TIMER_VECTOR, timer_interrupt, IRQF_IRQPOLL,
+			    "timer");
 	ia64_init_itm();
 }