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SubjectRe: [PATCH] microblaze/PCI: Remove stale pcibios_align_resource() comment
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On 20.8.2018 11:47, Lorenzo Pieralisi wrote:
> commit 01cf9d524ff0 ("microblaze/PCI: Support generic Xilinx AXI PCIe Host
> Bridge IP driver")
>
> and
>
> commit ecf677c8dcaa ("PCI: Add a generic weak pcibios_align_resource()")
>
> first patched then removed pcibios_align_resource() from the microblaze
> architecture code but failed to remove the comment that was added to
> it.
>
> Remove it since it has now become stale and it is quite confusing.
>
> Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
> Cc: Palmer Dabbelt <palmer@dabbelt.com>
> Cc: Bjorn Helgaas <bhelgaas@google.com>
> Cc: Bharat Kumar Gogada <bharatku@xilinx.com>
> Cc: Michal Simek <monstr@monstr.eu>
> ---
> arch/microblaze/pci/pci-common.c | 13 -------------
> 1 file changed, 13 deletions(-)
>
> diff --git a/arch/microblaze/pci/pci-common.c b/arch/microblaze/pci/pci-common.c
> index f34346d56095..2ffd171af8b6 100644
> --- a/arch/microblaze/pci/pci-common.c
> +++ b/arch/microblaze/pci/pci-common.c
> @@ -597,19 +597,6 @@ static void pcibios_fixup_resources(struct pci_dev *dev)
> }
> DECLARE_PCI_FIXUP_HEADER(PCI_ANY_ID, PCI_ANY_ID, pcibios_fixup_resources);
>
> -/*
> - * We need to avoid collisions with `mirrored' VGA ports
> - * and other strange ISA hardware, so we always want the
> - * addresses to be allocated in the 0x000-0x0ff region
> - * modulo 0x400.
> - *
> - * Why? Because some silly external IO cards only decode
> - * the low 10 bits of the IO address. The 0x00-0xff region
> - * is reserved for motherboard devices that decode all 16
> - * bits, so it's ok to allocate at, say, 0x2800-0x28ff,
> - * but we want to try to avoid allocating at 0x2900-0x2bff
> - * which might have be mirrored at 0x0100-0x03ff..
> - */
> int pcibios_add_device(struct pci_dev *dev)
> {
> dev->irq = of_irq_parse_and_map_pci(dev, 0, 0);
>

Applied.
M

--
Michal Simek, Ing. (M.Eng), OpenPGP -> KeyID: FE3D1F91
w: www.monstr.eu p: +42-0-721842854
Maintainer of Linux kernel - Xilinx Microblaze
Maintainer of Linux kernel - Xilinx Zynq ARM and ZynqMP ARM64 SoCs
U-Boot custodian - Xilinx Microblaze/Zynq/ZynqMP SoCs


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