Subject: Re: [BUILD FAILURE 11/12] Next April 21 : PPC64 randconfig [drivers/usb/host/ohci-hcd.o]

From: Arnd Bergmann <[email-masked]>
Date: Wed, 22 Apr 2009 09:30:00 +0200

On Wednesday 22 April 2009, Randy Dunlap wrote:
> > Is there maybe a way to force Kconfig to just reject
> > such illegal configs -- neither option set -- rather
> > than trying some how to fix it?
> 
> Not that I know of.  cc-ing Sam.

We could just make the USB_OHCI_HCD_PPC_OF option implicit
and selected only if at least one of USB_OHCI_HCD_PPC_OF_BE
and USB_OHCI_HCD_PPC_OF_LE are set.

Signed-off-by: Arnd Bergmann <[email-masked]>

diff --git a/drivers/usb/host/Kconfig b/drivers/usb/host/Kconfig
index 845479f..07e3e25 100644
--- a/drivers/usb/host/Kconfig
+++ b/drivers/usb/host/Kconfig
@@ -161,26 +161,26 @@ config USB_OHCI_HCD_PPC_SOC
 	  Enables support for the USB controller on the MPC52xx or
 	  STB03xxx processor chip.  If unsure, say Y.
 
-config USB_OHCI_HCD_PPC_OF
-	bool "OHCI support for PPC USB controller on OF platform bus"
-	depends on USB_OHCI_HCD && PPC_OF
-	default y
-	---help---
-	  Enables support for the USB controller PowerPC present on the
-	  OpenFirmware platform bus.
-
 config USB_OHCI_HCD_PPC_OF_BE
-	bool "Support big endian HC"
-	depends on USB_OHCI_HCD_PPC_OF
-	default y
+	bool "OHCI support for OF platform bus (big endian)"
+	depends on USB_OHCI_HCD && PPC_OF
 	select USB_OHCI_BIG_ENDIAN_DESC
 	select USB_OHCI_BIG_ENDIAN_MMIO
+	---help---
+	  Enables support for big-endian USB controllers present on the
+	  OpenFirmware platform bus.
 
 config USB_OHCI_HCD_PPC_OF_LE
-	bool "Support little endian HC"
-	depends on USB_OHCI_HCD_PPC_OF
-	default n
+	bool "OHCI support for OF platform bus (little endian)"
+	depends on USB_OHCI_HCD && PPC_OF
 	select USB_OHCI_LITTLE_ENDIAN
+	---help---
+	  Enables support for little-endian USB controllers present on the
+	  OpenFirmware platform bus.
+
+config USB_OHCI_HCD_PPC_OF
+	bool
+	default USB_OHCI_HCD_PPC_OF_BE || USB_OHCI_HCD_PPC_OF_LE
 
 config USB_OHCI_HCD_PCI
 	bool "OHCI support for PCI-bus USB controllers"
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