linux-kernel - Re: [PATCH 1/5] ibmebus: convert of_platform_driver to platform

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Date:	Thu, 25 Apr 2013 14:14:56 -0500
From:	Rob Herring <robherring2@...il.com>
To:	Benjamin Herrenschmidt <benh@...nel.crashing.org>
CC:	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"devicetree-discuss@...ts.ozlabs.org" 
	<devicetree-discuss@...ts.ozlabs.org>,
	Grant Likely <grant.likely@...aro.org>,
	Arnd Bergmann <arnd@...db.de>,
	Paul Mackerras <paulus@...ba.org>,
	Hoang-Nam Nguyen <hnguyen@...ibm.com>,
	Christoph Raisch <raisch@...ibm.com>,
	Roland Dreier <roland@...nel.org>,
	Sean Hefty <sean.hefty@...el.com>,
	Hal Rosenstock <hal.rosenstock@...il.com>,
	Thadeu Lima de Souza Cascardo <cascardo@...ux.vnet.ibm.com>,
	linuxppc-dev@...ts.ozlabs.org, linux-rdma@...r.kernel.org,
	netdev@...r.kernel.org
Subject: Re: [PATCH 1/5] ibmebus: convert of_platform_driver to platform_driver

On 04/25/2013 12:35 PM, Benjamin Herrenschmidt wrote:
> On Thu, 2013-04-25 at 10:23 -0500, Rob Herring wrote:
>> Ben, Can I have your Ack for this? The change is straightforward and
>> neither of the 2 drivers used the id parameter that is removed.
> 
> Didn't you get my mail about a compile failure caused by this patch ?

No, and I can't find any evidence of a mail in my inbox or in the list
archives.

> 
> A quick build test leads to:
> 
> /home/benh/linux-powerpc-test/arch/powerpc/kernel/ibmebus.c: In function 'ibmebus_bus_device_probe':
> /home/benh/linux-powerpc-test/arch/powerpc/kernel/ibmebus.c:344:2: error: implicit declaration of function 'to_platform_driver' [-Werror=implicit-function-declaration]
> /home/benh/linux-powerpc-test/arch/powerpc/kernel/ibmebus.c:344:6: error: assignment makes pointer from integer without a cast [-Werror]
> /home/benh/linux-powerpc-test/arch/powerpc/kernel/ibmebus.c: In function 'ibmebus_bus_device_remove':
> /home/benh/linux-powerpc-test/arch/powerpc/kernel/ibmebus.c:363:32: error: initialization makes pointer from integer without a cast [-Werror]
> /home/benh/linux-powerpc-test/arch/powerpc/kernel/ibmebus.c: In function 'ibmebus_bus_device_shutdown':
> /home/benh/linux-powerpc-test/arch/powerpc/kernel/ibmebus.c:373:32: error: initialization makes pointer from integer without a cast [-Werror]
> /home/benh/linux-powerpc-test/arch/powerpc/kernel/ibmebus.c: In function 'ibmebus_bus_legacy_suspend':
> /home/benh/linux-powerpc-test/arch/powerpc/kernel/ibmebus.c:420:32: error: initialization makes pointer from integer without a cast [-Werror]
> /home/benh/linux-powerpc-test/arch/powerpc/kernel/ibmebus.c: In function 'ibmebus_bus_legacy_resume':
> /home/benh/linux-powerpc-test/arch/powerpc/kernel/ibmebus.c:431:32: error: initialization makes pointer from integer without a cast [-Werror]
> cc1: all warnings being treated as errors
> make[2]: *** [arch/powerpc/kernel/ibmebus.o] Error 1
> make[2]: *** Waiting for unfinished jobs....
> 
> Haven't had a chance to look too closely today -EJETLAG :-)

You need patch 2 of this series to fix this:

driver core: move to_platform_driver to platform_device.h

which as Arnd pointed out needs to come first. I've fixed that in my
tree, but I don't think it warrants another post.

Rob
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