linux-kernel - Re: [PATCH] arch: frv: mb93090-mb00: remove '__init' for pci_fixup_umc_ide() which used by 'DECLARE_PCI_FIXUP

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Date:	Wed, 26 Jun 2013 10:19:14 -0600
From:	Bjorn Helgaas <bhelgaas@...gle.com>
To:	Chen Gang <gang.chen@...anux.com>
Cc:	"dhowells@...hat.com" <dhowells@...hat.com>,
	Greg KH <gregkh@...uxfoundation.org>,
	Yinghai Lu <yinghai@...nel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Linux-Arch <linux-arch@...r.kernel.org>
Subject: Re: [PATCH] arch: frv: mb93090-mb00: remove '__init' for
 pci_fixup_umc_ide() which used by 'DECLARE_PCI_FIXUP_HEADER'

On Tue, Jun 25, 2013 at 8:55 PM, Chen Gang <gang.chen@...anux.com> wrote:
> pci_fixup_umc_ide() is for 'DECLARE_PCI_FIXUP_HEADER', so need remove
> it from init section to normal section.
>
> The related warning (with allmodconfig):
>
>   LD      arch/frv/mb93090-mb00/built-in.o
> WARNING: arch/frv/mb93090-mb00/built-in.o(.pci_fixup_header+0x4c): Section mismatch in reference from the variable __pci_fixup_PCI_VENDOR_ID_UMCPCI_DEVICE_ID_UMC_UM8886BFpci_fixup_umc_ide to the function .init.text:pci_fixup_umc_ide()
> The variable __pci_fixup_PCI_VENDOR_ID_UMCPCI_DEVICE_ID_UMC_UM8886BFpci_fixup_umc_ide references
> a function __init pci_fixup_umc_ide().
> This is often seen when error handling in the init function
> uses functionality in the exit path.
> The fix is often to remove the __init annotation of
> pci_fixup_umc_ide() so it may be used outside an exit section.
>
>
> Signed-off-by: Chen Gang <gang.chen@...anux.com>

Reviewed-by: Bjorn Helgaas <bhelgaas@...gle.com>

> ---
>  arch/frv/mb93090-mb00/pci-vdk.c |    2 +-
>  1 files changed, 1 insertions(+), 1 deletions(-)
>
> diff --git a/arch/frv/mb93090-mb00/pci-vdk.c b/arch/frv/mb93090-mb00/pci-vdk.c
> index 0aa35f0..56a3abf 100644
> --- a/arch/frv/mb93090-mb00/pci-vdk.c
> +++ b/arch/frv/mb93090-mb00/pci-vdk.c
> @@ -254,7 +254,7 @@ static void __init pcibios_fixup_peer_bridges(void)
>   * Exceptions for specific devices. Usually work-arounds for fatal design flaws.
>   */
>
> -static void __init pci_fixup_umc_ide(struct pci_dev *d)
> +static void pci_fixup_umc_ide(struct pci_dev *d)
>  {
>         /*
>          * UM8886BF IDE controller sets region type bits incorrectly,
> --
> 1.7.7.6
--
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