From mboxrd@z Thu Jan 1 00:00:00 1970 From: will.deacon@arm.com (Will Deacon) Date: Mon, 23 Nov 2015 13:49:21 +0000 Subject: [PATCH 3/3] arm/arm64: pci: remove arch specific pcibios_enable_device() In-Reply-To: <1447779838-15585-3-git-send-email-lorenzo.pieralisi@arm.com> References: <1447779838-15585-1-git-send-email-lorenzo.pieralisi@arm.com> <1447779838-15585-3-git-send-email-lorenzo.pieralisi@arm.com> Message-ID: <20151123134921.GB4236@arm.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org 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 > Cc: Arnd Bergmann > Cc: Will Deacon > Cc: Bjorn Helgaas > Cc: Russell King > Cc: Catalin Marinas > --- > arch/arm/kernel/bios32.c | 12 ------------ > arch/arm64/kernel/pci.c | 13 ------------- > 2 files changed, 25 deletions(-) Acked-by: Will Deacon Will