From: will.deacon@arm•com (Will Deacon)
To: linux-arm-kernel@lists•infradead.org
Subject: [PATCH 3/3] arm/arm64: pci: remove arch specific pcibios_enable_device()
Date: Mon, 23 Nov 2015 13:49:21 +0000 [thread overview]
Message-ID: <20151123134921.GB4236@arm.com> (raw)
In-Reply-To: <1447779838-15585-3-git-send-email-lorenzo.pieralisi@arm.com>
On Tue, Nov 17, 2015 at 05:03:58PM +0000, Lorenzo Pieralisi wrote:
> The arm/arm64 pcibios_enable_device() implementations exist solely
> to prevent enabling PCI resources on PROBE_ONLY systems, since
> on those systems the PCI resources are currently not claimed (ie
> validated and inserted in the PCI resource tree) therefore they can
> not be enabled since this would trigger PCI set-ups failures.
>
> By introducing resources claiming in the PCI host controllers set-ups
> that have PROBE_ONLY as a probe option, there is no need for arch specific
> pcibios_enable_device() implementations anymore in that the kernel can
> rely on the generic pcibios_enable_device() implementation without
> resorting to arch specific code to work around the missing resources
> claiming enumeration step.
>
> This patch removes the pcibios_enable_device() implementations from
> the arm/arm64 arch back-ends.
>
> Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm•com>
> Cc: Arnd Bergmann <arnd@arndb•de>
> Cc: Will Deacon <will.deacon@arm•com>
> Cc: Bjorn Helgaas <bhelgaas@google•com>
> Cc: Russell King <linux@arm•linux.org.uk>
> Cc: Catalin Marinas <catalin.marinas@arm•com>
> ---
> arch/arm/kernel/bios32.c | 12 ------------
> arch/arm64/kernel/pci.c | 13 -------------
> 2 files changed, 25 deletions(-)
Acked-by: Will Deacon <will.deacon@arm•com>
Will
next prev parent reply other threads:[~2015-11-23 13:49 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-11-17 17:03 [PATCH 1/3] drivers: pci: add generic code to claim bus resources Lorenzo Pieralisi
2015-11-17 17:03 ` [PATCH 2/3] drivers: pci: host-generic: claim bus resources on PROBE_ONLY set-ups Lorenzo Pieralisi
2015-11-23 13:47 ` Will Deacon
2015-11-17 17:03 ` [PATCH 3/3] arm/arm64: pci: remove arch specific pcibios_enable_device() Lorenzo Pieralisi
2015-11-23 13:49 ` Will Deacon [this message]
2016-01-20 16:22 ` Lorenzo Pieralisi
2016-02-25 15:24 ` Bjorn Helgaas
2016-02-25 16:05 ` Lorenzo Pieralisi
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