linux-kernel - Re: [PATCH 0/5] Clean up warnings (part 2, asm/pci-bridge.h)

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Date:	Wed, 3 Feb 2016 09:25:02 +0000
From:	Will Deacon <will.deacon@....com>
To:	Bjorn Helgaas <bhelgaas@...gle.com>
Cc:	linux-pci@...r.kernel.org,
	Catalin Marinas <catalin.marinas@....com>,
	linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH 0/5] Clean up warnings (part 2, asm/pci-bridge.h)

On Tue, Feb 02, 2016 at 01:38:26PM -0600, Bjorn Helgaas wrote:
> We've had some non-arch-specific stuff (pci_has_flag() and associated
> definitions like PCI_PROBE_ONLY) in asm/pci-bridge.h.  This leads to
> warnings like:
> 
>   drivers/pci/host/pcie-designware.c:562:20: error: 'PCI_PROBE_ONLY' undeclared (first use in this function)
>   drivers/pci/host/pcie-designware.c:562:7: error: implicit declaration of function 'pci_has_flag' [-Werror=implicit-function-declaration]
> 
> because arches don't consistently supply asm/pci-bridge.h, and several
> drivers include it when they shouldn't.
> 
> This series moves the generic stuff to linux/pci.h, so it's the same for
> everybody, and removes the now-empty asm-generic/pci-bridge.h.
> 
> There still a few arches that provide asm/pci-bridge.h (microblaze,
> powerpc, and xtensa), but now they contain truly arch-dependent things like
> struct pci_controller definitions, and they're only included by
> arch-specific files.

For the arm64 bits:

Acked-by: Will Deacon <will.deacon@....com>

Will