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

Commit-ID: 287232987f0ebb29f68cfab13625017bbfb38adc
Gitweb: https://git.kernel.org/pub/scm/linux/kernel/git/maz/arm-platforms/287232987f0ebb29f68cfab13625017bbfb38adc
Author: Mark Rutland <mark.rutland@arm.com>
AuthorDate: Wed, 20 Oct 2021 11:00:46 +01:00
Committer: Mark Rutland <mark.rutland@arm.com>
CommitterDate: Tue, 26 Oct 2021 10:13:27 +01:00

irq: csky: perform irqentry in entry code

In preparation for removing HANDLE_DOMAIN_IRQ_IRQENTRY, have arch/csky
perform all the irqentry accounting in its entry code. As arch/csky 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: Guo Ren <guoren@kernel.org>
Reviewed-by: Marc Zyngier <maz@kernel.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
---
arch/csky/Kconfig | 1 -
arch/csky/kernel/entry.S | 2 +-
arch/csky/kernel/irq.c | 5 -----
3 files changed, 1 insertion(+), 7 deletions(-)

diff --git a/arch/csky/Kconfig b/arch/csky/Kconfig
index 45f03f6..9d4d898 100644
--- a/arch/csky/Kconfig
+++ b/arch/csky/Kconfig
@@ -18,7 +18,6 @@ config CSKY
select DMA_DIRECT_REMAP
select IRQ_DOMAIN
select HANDLE_DOMAIN_IRQ
- select HANDLE_DOMAIN_IRQ_IRQENTRY
select DW_APB_TIMER_OF
select GENERIC_IOREMAP
select GENERIC_LIB_ASHLDI3
diff --git a/arch/csky/kernel/entry.S b/arch/csky/kernel/entry.S
index 00e3c8e..a4ababf 100644
--- a/arch/csky/kernel/entry.S
+++ b/arch/csky/kernel/entry.S
@@ -249,7 +249,7 @@ ENTRY(csky_irq)


mov a0, sp
- jbsr csky_do_IRQ
+ jbsr generic_handle_arch_irq

jmpi ret_from_exception

diff --git a/arch/csky/kernel/irq.c b/arch/csky/kernel/irq.c
index 03a1930..fcdaf31 100644
--- a/arch/csky/kernel/irq.c
+++ b/arch/csky/kernel/irq.c
@@ -15,8 +15,3 @@ void __init init_IRQ(void)
setup_smp_ipi();
#endif
}
-
-asmlinkage void __irq_entry csky_do_IRQ(struct pt_regs *regs)
-{
- handle_arch_irq(regs);
-}
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