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Subject[irqchip: irq/irqchip-next] irq: openrisc: perform irqentry in entry code
The following commit has been merged into the irq/irqchip-next branch of irqchip:

Commit-ID: 418360b23113d62aa99586ada37806b4a7a53afa
Gitweb: https://git.kernel.org/pub/scm/linux/kernel/git/maz/arm-platforms/418360b23113d62aa99586ada37806b4a7a53afa
Author: Mark Rutland <mark.rutland@arm.com>
AuthorDate: Wed, 20 Oct 2021 11:31:56 +01:00
Committer: Mark Rutland <mark.rutland@arm.com>
CommitterDate: Tue, 26 Oct 2021 10:13:28 +01:00

irq: openrisc: perform irqentry in entry code

In preparation for removing HANDLE_DOMAIN_IRQ_IRQENTRY, have
arch/openrisc perform all the irqentry accounting in its entry code. As
arch/openrisc uses GENERIC_IRQ_MULTI_HANDLER, we can use
generic_handle_arch_irq() to do so.

There should be no functional change as a result of this patch.

Signed-off-by: Mark Rutland <mark.rutland@arm.com>
Reviewed-by: Marc Zyngier <maz@kernel.org>
Reviewed-by: Stafford Horne <shorne@gmail.com>
Cc: Jonas Bonn <jonas@southpole.se>
Cc: Stefan Kristiansson <stefan.kristiansson@saunalahti.fi>
Cc: Thomas Gleixner <tglx@linutronix.de>
---
arch/openrisc/Kconfig | 1 -
arch/openrisc/kernel/entry.S | 4 ++--
arch/openrisc/kernel/irq.c | 5 -----
3 files changed, 2 insertions(+), 8 deletions(-)

diff --git a/arch/openrisc/Kconfig b/arch/openrisc/Kconfig
index ed783a6..e804026 100644
--- a/arch/openrisc/Kconfig
+++ b/arch/openrisc/Kconfig
@@ -14,7 +14,6 @@ config OPENRISC
select OF_EARLY_FLATTREE
select IRQ_DOMAIN
select HANDLE_DOMAIN_IRQ
- select HANDLE_DOMAIN_IRQ_IRQENTRY
select GPIOLIB
select HAVE_ARCH_TRACEHOOK
select SPARSE_IRQ
diff --git a/arch/openrisc/kernel/entry.S b/arch/openrisc/kernel/entry.S
index edaa775..59c6d3a 100644
--- a/arch/openrisc/kernel/entry.S
+++ b/arch/openrisc/kernel/entry.S
@@ -569,8 +569,8 @@ EXCEPTION_ENTRY(_external_irq_handler)
#endif
CLEAR_LWA_FLAG(r3)
l.addi r3,r1,0
- l.movhi r8,hi(do_IRQ)
- l.ori r8,r8,lo(do_IRQ)
+ l.movhi r8,hi(generic_handle_arch_irq)
+ l.ori r8,r8,lo(generic_handle_arch_irq)
l.jalr r8
l.nop
l.j _ret_from_intr
diff --git a/arch/openrisc/kernel/irq.c b/arch/openrisc/kernel/irq.c
index c38fa86..f38e109 100644
--- a/arch/openrisc/kernel/irq.c
+++ b/arch/openrisc/kernel/irq.c
@@ -36,8 +36,3 @@ void __init init_IRQ(void)
{
irqchip_init();
}
-
-void __irq_entry do_IRQ(struct pt_regs *regs)
-{
- handle_arch_irq(regs);
-}
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