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* [PATCH] staging: kpc2000: Fix build error without CONFIG_UIO
@ 2019-05-10 13:47 YueHaibing
  0 siblings, 0 replies; only message in thread
From: YueHaibing @ 2019-05-10 13:47 UTC (permalink / raw)
  To: gregkh, Matt.Sickler; +Cc: linux-kernel, devel, YueHaibing

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 <>
Fixes: 7dc7967fc39a ("staging: kpc2000: add initial set of Daktronics drivers")
Signed-off-by: YueHaibing <>
 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
 	  Select this if you wish to use the Daktronics KPC PCI devices

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2019-05-10 13:47 [PATCH] staging: kpc2000: Fix build error without CONFIG_UIO YueHaibing

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