linux-kernel - linux-next: build failure after merge of the driver-core tree

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Date:   Thu, 29 Aug 2019 17:35:15 +1000
From:   Stephen Rothwell <sfr@...b.auug.org.au>
To:     Greg KH <greg@...ah.com>
Cc:     Linux Next Mailing List <linux-next@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Thierry Reding <treding@...dia.com>,
        Stephen Boyd <swboyd@...omium.org>,
        Guenter Roeck <linux@...ck-us.net>,
        Bartlomiej Zolnierkiewicz <b.zolnierkie@...sung.com>
Subject: linux-next: build failure after merge of the driver-core tree

Hi all,

After merging the driver-core tree, today's linux-next build (arm
multi_v7_defconfig) failed like this:

ERROR: "platform_get_irq_optional" [drivers/hwmon/pwm-fan.ko] undefined!

Caused by commit

  6e7e5c7fbc1c ("hwmon: pwm-fan: Use platform_get_irq_optional()")

[ or maybe commit

  8973ea47901c ("driver core: platform: Introduce platform_get_irq_optional()")
]

I have added the following patch for today.

From: Stephen Rothwell <sfr@...b.auug.org.au>
Date: Thu, 29 Aug 2019 17:26:34 +1000
Subject: [PATCH] driver core: platform: export platform_get_irq_optional

Fixes: 6e7e5c7fbc1c ("hwmon: pwm-fan: Use platform_get_irq_optional()")
Signed-off-by: Stephen Rothwell <sfr@...b.auug.org.au>
---
 drivers/base/platform.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/base/platform.c b/drivers/base/platform.c
index 0dda6ade50fd..11c6e56ccc22 100644
--- a/drivers/base/platform.c
+++ b/drivers/base/platform.c
@@ -213,6 +213,7 @@ int platform_get_irq_optional(struct platform_device *dev, unsigned int num)
 {
 	return __platform_get_irq(dev, num);
 }
+EXPORT_SYMBOL_GPL(platform_get_irq_optional);
 
 /**
  * platform_irq_count - Count the number of IRQs a platform device uses
-- 
2.20.1

-- 
Cheers,
Stephen Rothwell

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