linux-kernel - Re: sparc32 defconfig build broken due to commit ebd97be63 (PCI: remove ARCH_SUPPORTS

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Date:	Mon, 9 Sep 2013 09:05:45 +0200
From:	Thomas Petazzoni <thomas.petazzoni@...e-electrons.com>
To:	Guenter Roeck <linux@...ck-us.net>
Cc:	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Bjorn Helgaas <bhelgaas@...gle.com>,
	Benjamin Herrenschmidt <benh@...nel.crashing.org>,
	sparclinux@...r.kernel.org, "David S. Miller" <davem@...emloft.net>
Subject: Re: sparc32 defconfig build broken due to commit ebd97be63 (PCI:
 remove ARCH_SUPPORTS_MSI kconfig option)

Dear Guenter Roeck,

On Sun, 08 Sep 2013 18:00:30 -0700, Guenter Roeck wrote:

> "make ARCH=sparc32 defconfig; make ARCH=sparc32" on the current upstream kernel results in:
> 
> In file included from arch/sparc/kernel/pci_msi.c:10:0:
> arch/sparc/kernel/pci_impl.h:142:18: error: field 'stc' has incomplete type
> arch/sparc/kernel/pci_msi.c: In function 'sparc64_setup_msi_irq':
> arch/sparc/kernel/pci_msi.c:131:2: error: implicit declaration of function 'irq_alloc' [-Werror=implicit-function-declaration]
> arch/sparc/kernel/pci_msi.c:173:2: error: implicit declaration of function 'irq_free' [-Werror=implicit-function-declaration]
> cc1: all warnings being treated as errors
> make[2]: *** [arch/sparc/kernel/pci_msi.o] Error 1
> 
> Bisect points to commit ebd97be635 (PCI: remove ARCH_SUPPORTS_MSI kconfig option).
> After reverting this commit, sparc32:defconfig builds fine.
> 
> sparc64 defconfig is unaffected.

Thanks for the report, I'll have a look very soon.

Best regards,

Thomas
-- 
Thomas Petazzoni, Free Electrons
Kernel, drivers, real-time and embedded Linux
development, consulting, training and support.
http://free-electrons.com
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