linux-kernel - linux-next: build failure after merge of the wireless-drivers-next tree

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Message-ID: <20201208194944.19ee46f4@canb.auug.org.au>
Date:   Tue, 8 Dec 2020 19:49:43 +1100
From:   Stephen Rothwell <sfr@...b.auug.org.au>
To:     Kalle Valo <kvalo@...eaurora.org>,
        Wireless <linux-wireless@...r.kernel.org>
Cc:     Lee Jones <lee.jones@...aro.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Linux Next Mailing List <linux-next@...r.kernel.org>
Subject: linux-next: build failure after merge of the wireless-drivers-next
 tree

Hi all,

After merging the wireless-drivers-next tree, today's linux-next build
(powerpc allyesconfig) failed like this:

ld: drivers/net/wireless/realtek/rtw88/rtw8822ce.o:(.rodata.rtw_pm_ops+0x0): multiple definition of `rtw_pm_ops'; drivers/net/wireless/realtek/rtw88/rtw8822be.o:(.rodata.rtw_pm_ops+0x0): first defined here
ld: drivers/net/wireless/realtek/rtw88/rtw8723de.o:(.rodata.rtw_pm_ops+0x0): multiple definition of `rtw_pm_ops'; drivers/net/wireless/realtek/rtw88/rtw8822be.o:(.rodata.rtw_pm_ops+0x0): first defined here
ld: drivers/net/wireless/realtek/rtw88/rtw8821ce.o:(.rodata.rtw_pm_ops+0x0): multiple definition of `rtw_pm_ops'; drivers/net/wireless/realtek/rtw88/rtw8822be.o:(.rodata.rtw_pm_ops+0x0): first defined here
ld: drivers/net/wireless/realtek/rtw88/pci.o:(.rodata.rtw_pm_ops+0x0): multiple definition of `rtw_pm_ops'; drivers/net/wireless/realtek/rtw88/rtw8822be.o:(.rodata.rtw_pm_ops+0x0): first defined here

Caused by commit

  2e86ef413ab3 ("rtw88: pci: Add prototypes for .probe, .remove and .shutdown")

I have applied the following patch:

From: Stephen Rothwell <sfr@...b.auug.org.au>
Date: Tue, 8 Dec 2020 19:35:18 +1100
Subject: [PATCH] rtw88: pci: "extern" is necessary for header declarations of data

Fixes: 2e86ef413ab3 ("rtw88: pci: Add prototypes for .probe, .remove and .shutdown")
Signed-off-by: Stephen Rothwell <sfr@...b.auug.org.au>
---
 drivers/net/wireless/realtek/rtw88/pci.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/wireless/realtek/rtw88/pci.h b/drivers/net/wireless/realtek/rtw88/pci.h
index cda56919a5f0..7cdefe229824 100644
--- a/drivers/net/wireless/realtek/rtw88/pci.h
+++ b/drivers/net/wireless/realtek/rtw88/pci.h
@@ -214,7 +214,7 @@ struct rtw_pci {
 	void __iomem *mmap;
 };
 
-const struct dev_pm_ops rtw_pm_ops;
+extern const struct dev_pm_ops rtw_pm_ops;
 
 int rtw_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id);
 void rtw_pci_remove(struct pci_dev *pdev);
-- 
2.29.2

-- 
Cheers,
Stephen Rothwell

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