linux-kernel - [PATCH 2/2] irqchip: bcm2836: fix section mismatch warning

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Date:   Tue, 27 Oct 2020 10:51:57 +0200
From:   balbi@...nel.org
To:     Mathieu Poirier <mathieu.poirier@...aro.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Jason Cooper <jason@...edaemon.net>,
        Marc Zyngier <maz@...nel.org>,
        Alexander Shishkin <alexander.shishkin@...ux.intel.com>
Cc:     Suzuki K Poulose <suzuki.poulose@....com>,
        Florian Fainelli <f.fainelli@...il.com>,
        Ray Jui <rjui@...adcom.com>,
        Scott Branden <sbranden@...adcom.com>,
        bcm-kernel-feedback-list@...adcom.com, coresight@...ts.linaro.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        Felipe Balbi <balbi@...nel.org>
Subject: [PATCH 2/2] irqchip: bcm2836: fix section mismatch warning

From: Felipe Balbi <balbi@...nel.org>

Fix the following warning:

WARNING: modpost: vmlinux.o(.text.unlikely+0x17b2c): Section mismatch in reference from the function bcm2836_arm_irqchip_smp_init() to the function .init.text:set_smp_ipi_range()
The function bcm2836_arm_irqchip_smp_init() references
the function __init set_smp_ipi_range().
This is often because bcm2836_arm_irqchip_smp_init lacks a __init
annotation or the annotation of set_smp_ipi_range is wrong.

Signed-off-by: Felipe Balbi <balbi@...nel.org>
---
 drivers/irqchip/irq-bcm2836.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/irqchip/irq-bcm2836.c b/drivers/irqchip/irq-bcm2836.c
index 97838eb705f9..cbc7c740e4dc 100644
--- a/drivers/irqchip/irq-bcm2836.c
+++ b/drivers/irqchip/irq-bcm2836.c
@@ -244,7 +244,7 @@ static int bcm2836_cpu_dying(unsigned int cpu)
 
 #define BITS_PER_MBOX	32
 
-static void bcm2836_arm_irqchip_smp_init(void)
+static void __init bcm2836_arm_irqchip_smp_init(void)
 {
 	struct irq_fwspec ipi_fwspec = {
 		.fwnode		= intc.domain->fwnode,
-- 
2.29.1