linux-kernel - [PATCH v2] arm64: irq: include <linux/cpumask.h>

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Date: Wed, 10 Jan 2024 07:40:07 +0000
From: Tudor Ambarus <tudor.ambarus@...aro.org>
To: catalin.marinas@....com,
	will@...nel.org,
	mark.rutland@....com
Cc: swboyd@...omium.org,
	dianders@...omium.org,
	linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org,
	Tudor Ambarus <tudor.ambarus@...aro.org>
Subject: [PATCH v2] arm64: irq: include <linux/cpumask.h>

Sorting include files in alphabetic order in
drivers/tty/serial/samsung.c revealed the following error:

In file included from drivers/tty/serial/samsung_tty.c:24:
/arch/arm64/include/asm/irq.h:9:43: error: unknown type name ‘cpumask_t’
    9 | void arch_trigger_cpumask_backtrace(const cpumask_t *mask, int exclude_cpu);
      |                                           ^~~~~~~~~

Include cpumask.h to avoid unknown type errors for parents of irq.h that
don't include cpumask.h.

Acked-by: Mark Rutland <mark.rutland@....com>
Signed-off-by: Tudor Ambarus <tudor.ambarus@...aro.org>
---
v2:
- fix typo, s/avod/avoid
- include the linux header first and then add a new line to differentiate
  from the asm header
- collect Mark's Acked-by tag

 arch/arm64/include/asm/irq.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/arch/arm64/include/asm/irq.h b/arch/arm64/include/asm/irq.h
index 50ce8b697ff3..e93548914c36 100644
--- a/arch/arm64/include/asm/irq.h
+++ b/arch/arm64/include/asm/irq.h
@@ -4,6 +4,8 @@
 
 #ifndef __ASSEMBLER__
 
+#include <linux/cpumask.h>
+
 #include <asm-generic/irq.h>
 
 void arch_trigger_cpumask_backtrace(const cpumask_t *mask, int exclude_cpu);
-- 
2.43.0.472.g3155946c3a-goog