linux-kernel - [PATCH] staging: kpc2000: Fix build error without CONFIG

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Message-ID: <20190510134724.41052-1-yuehaibing@huawei.com>
Date:   Fri, 10 May 2019 21:47:24 +0800
From:   YueHaibing <yuehaibing@...wei.com>
To:     <gregkh@...uxfoundation.org>, <Matt.Sickler@...tronics.com>
CC:     <linux-kernel@...r.kernel.org>, <devel@...verdev.osuosl.org>,
        YueHaibing <yuehaibing@...wei.com>
Subject: [PATCH] staging: kpc2000: Fix build error without CONFIG_UIO

Fix gcc build error while CONFIG_UIO is not set

ERROR: "uio_unregister_device" [drivers/staging/kpc2000/kpc2000/kpc2000.ko] undefined!
ERROR: "__uio_register_device" [drivers/staging/kpc2000/kpc2000/kpc2000.ko] undefined!

Add UIO Kconfig dependency to fix this.

Reported-by: Hulk Robot <hulkci@...wei.com>
Fixes: 7dc7967fc39a ("staging: kpc2000: add initial set of Daktronics drivers")
Signed-off-by: YueHaibing <yuehaibing@...wei.com>
---
 drivers/staging/kpc2000/Kconfig | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/staging/kpc2000/Kconfig b/drivers/staging/kpc2000/Kconfig
index fb59229..febe4f8 100644
--- a/drivers/staging/kpc2000/Kconfig
+++ b/drivers/staging/kpc2000/Kconfig
@@ -3,6 +3,7 @@
 config KPC2000
 	bool "Daktronics KPC Device support"
 	depends on PCI
+	depends on UIO
 	help
 	  Select this if you wish to use the Daktronics KPC PCI devices
 
-- 
2.7.4