linux-kernel - Re: [PATCH] microblaze/PCI: Remove pcibios_setup_bus

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Message-ID: <ba524747-7866-7388-53f2-e1ec34341c78@xilinx.com>
Date:   Tue, 20 Jun 2017 16:32:41 +0200
From:   Michal Simek <michal.simek@...inx.com>
To:     Lorenzo Pieralisi <lorenzo.pieralisi@....com>,
        <linux-pci@...r.kernel.org>
CC:     <linux-kernel@...r.kernel.org>,
        Bharat Kumar Gogada <bharatku@...inx.com>,
        Ravi Kiran Gummaluri <rgummal@...inx.com>,
        Bjorn Helgaas <bhelgaas@...gle.com>,
        Michal Simek <michal.simek@...inx.com>
Subject: Re: [PATCH] microblaze/PCI: Remove pcibios_setup_bus_{self/devices}
 dead code

Hi,

On 20.6.2017 15:08, Lorenzo Pieralisi wrote:
> commit 01cf9d524ff0 ("microblaze/PCI: Support generic Xilinx AXI PCIe Host
> Bridge IP driver") removed pcibios calls to:
> 
> pcibios_setup_bus_self()
> pcibios_setup_bus_devices()
> 
> Given that pcibios_fixup_bus() was the only caller of those functions
> they have now become dead code (along with the functions they were
> calling in turn) so they can be removed.
> 
> Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@....com>
> Cc: Bharat Kumar Gogada <bharatku@...inx.com>
> Cc: Ravi Kiran Gummaluri <rgummal@...inx.com>
> Cc: Bjorn Helgaas <bhelgaas@...gle.com>
> Cc: Michal Simek <michal.simek@...inx.com>
> ---
> Bjorn, Michal,
> 
> spotted this while reading microblaze code that parses legacy IRQs,
> I am not familiar with microblaze code but as things stand those
> pcibios calls are just unused IIUC.

TBH this code should never go to the tree. I even don't have any pci
platform I can use for testing.
I am happy to add this patch via microblaze tree.
If you want to take it via pci tree here is my
Acked-by: Michal Simek <michal.simek@...inx.com>

Thanks,
Michal