linux-kernel - Re: [PATCH] 2.6.28-git4 - powerpc - drivers build fails with !CONFIG

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Date:	Tue, 6 Jan 2009 21:27:24 +0530
From:	Kamalesh Babulal <kamalesh@...ux.vnet.ibm.com>
To:	Sam Ravnborg <sam@...nborg.org>
Cc:	Milton Miller <miltonm@....com>,
	linux-ppc <linuxppc-dev@...abs.org>,
	Stephen Rothwell <sfr@...b.auug.org.au>,
	linux-kernel <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] 2.6.28-git4 - powerpc - drivers build fails with
	!CONFIG_VIOPATH

* Sam Ravnborg <sam@...nborg.org> [2009-01-06 11:46:19]:

> Hi Kamalesh
> 
> Looks good, small nit below.
> 
> >  config VIOPATH
> >  	bool
> > -	depends on VIODASD || VIOCD || VIOTAPE || ISERIES_VETH
> > -	default y
> > +	default n
> 
> As 'n' is default anyway this line is not needed and I suggest you
> spin a final version of the patch with this removed.
> 
> 	Sam

Hi Sam,

	Thanks for the review comments. I am resending the patch with the changes
you have recommended.

Impact: Fix the VIOPATH dependency in the iSeries dependent drivers.

iSeries depend drivers build fails, when CONFIG_VIOPATH is disabled.
Removing the dependency of VIOPATH by selecting it, when the drivers
dependent on iSeries code.

Signed-off-by: Kamalesh Babulal <kamalesh@...ux.vnet.ibm.com>
---
 arch/powerpc/platforms/iseries/Kconfig |    5 +++--
 drivers/char/Kconfig                   |    1 +
 drivers/scsi/Kconfig                   |    1 +
 3 files changed, 5 insertions(+), 2 deletions(-)

diff --git a/arch/powerpc/platforms/iseries/Kconfig b/arch/powerpc/platforms/iseries/Kconfig
index ed3753d..7ddd0a2 100644
--- a/arch/powerpc/platforms/iseries/Kconfig
+++ b/arch/powerpc/platforms/iseries/Kconfig
@@ -10,18 +10,21 @@ menu "iSeries device drivers"
 config VIODASD
 	tristate "iSeries Virtual I/O disk support"
 	depends on BLOCK
+	select VIOPATH
 	help
 	  If you are running on an iSeries system and you want to use
 	  virtual disks created and managed by OS/400, say Y.
 
 config VIOCD
 	tristate "iSeries Virtual I/O CD support"
+	select VIOPATH
 	help
 	  If you are running Linux on an IBM iSeries system and you want to
 	  read a CD drive owned by OS/400, say Y here.
 
 config VIOTAPE
 	tristate "iSeries Virtual Tape Support"
+	select VIOPATH
 	help
 	  If you are running Linux on an iSeries system and you want Linux
 	  to read and/or write a tape drive owned by OS/400, say Y here.
@@ -30,5 +33,3 @@ endmenu
 
 config VIOPATH
 	bool
-	depends on VIODASD || VIOCD || VIOTAPE || ISERIES_VETH
-	default y
diff --git a/drivers/char/Kconfig b/drivers/char/Kconfig
index 1697043..b8da09a 100644
--- a/drivers/char/Kconfig
+++ b/drivers/char/Kconfig
@@ -616,6 +616,7 @@ config HVC_ISERIES
 	default y
 	select HVC_DRIVER
 	select HVC_IRQ
+	select VIOPATH
 	help
 	  iSeries machines support a hypervisor virtual console.
 
diff --git a/drivers/scsi/Kconfig b/drivers/scsi/Kconfig
index b732297..256c7be 100644
--- a/drivers/scsi/Kconfig
+++ b/drivers/scsi/Kconfig
@@ -884,6 +884,7 @@ config SCSI_IBMVSCSI
 	tristate "IBM Virtual SCSI support"
 	depends on PPC_PSERIES || PPC_ISERIES
 	select SCSI_SRP_ATTRS
+	select VIOPATH if PPC_ISERIES
 	help
 	  This is the IBM POWER Virtual SCSI Client
 
-- 
Thanks & Regards,
Kamalesh Babulal,
Linux Technology Center,
IBM, ISTL.
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