linux-kernel - Re: [PATCH 01/20] PCI: remove __weak tag from pci_remap

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Date:   Wed, 1 Mar 2017 17:15:14 +0100
From:   Arnd Bergmann <arnd@...db.de>
To:     Lorenzo Pieralisi <lorenzo.pieralisi@....com>
Cc:     linux-pci <linux-pci@...r.kernel.org>,
        Linux ARM <linux-arm-kernel@...ts.infradead.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        linux-arch <linux-arch@...r.kernel.org>,
        Bjorn Helgaas <bhelgaas@...gle.com>,
        Will Deacon <will.deacon@....com>,
        Catalin Marinas <catalin.marinas@....com>,
        Russell King <linux@...linux.org.uk>,
        Pratyush Anand <pratyush.anand@...il.com>,
        Jingoo Han <jingoohan1@...il.com>,
        Mingkai Hu <mingkai.hu@...escale.com>,
        John Garry <john.garry@...wei.com>,
        Tanmay Inamdar <tinamdar@....com>,
        Murali Karicheri <m-karicheri2@...com>,
        Bharat Kumar Gogada <bharat.kumar.gogada@...inx.com>,
        Ray Jui <rjui@...adcom.com>,
        Wenrui Li <wenrui.li@...k-chips.com>,
        Shawn Lin <shawn.lin@...k-chips.com>,
        Minghuan Lian <minghuan.Lian@...escale.com>,
        Jon Mason <jonmason@...adcom.com>,
        Gabriele Paoloni <gabriele.paoloni@...wei.com>,
        Thomas Petazzoni <thomas.petazzoni@...e-electrons.com>,
        Joao Pinto <Joao.Pinto@...opsys.com>,
        Thierry Reding <thierry.reding@...il.com>,
        Michal Simek <michal.simek@...inx.com>,
        Stanimir Varbanov <svarbanov@...sol.com>,
        Zhou Wang <wangzhou1@...ilicon.com>,
        Roy Zang <tie-fei.zang@...escale.com>
Subject: Re: [PATCH 01/20] PCI: remove __weak tag from pci_remap_iospace()

On Mon, Feb 27, 2017 at 4:14 PM, Lorenzo Pieralisi
<lorenzo.pieralisi@....com> wrote:
> pci_remap_iospace() is marked as a weak symbol even though
> no architecture is currently overriding it; given that its
> implementation internals have already code paths that are
> arch specific (ie PCI_IOBASE and ioremap_page_range() attributes)
> there is no need to leave the weak symbol in the kernel since the
> same functionality can be achieved by customizing per-arch the
> corresponding functionality.
>
> Remove the __weak symbol from pci_remap_iospace().

Good idea,

Acked-by: Arnd Bergmann <arnd@...db.de>