Re: [PATCH 1/2] PCI: Annotate pci_fixup_irqs with __devinit

From: Bjorn Helgaas <bhelgaas@google.com>
To: Thierry Reding <thierry.reding@avionic-design.de>
Cc: Richard Henderson <rth@twiddle.net>,
	Ivan Kokshaysky <ink@jurassic.park.msu.ru>,
	Matt Turner <mattst88@gmail.com>,
	Russell King <linux@arm.linux.org.uk>,
	Tony Luck <tony.luck@intel.com>,
	Fenghua Yu <fenghua.yu@intel.com>,
	Geert Uytterhoeven <geert@linux-m68k.org>,
	Ralf Baechle <ralf@linux-mips.org>,
	Paul Mundt <lethal@linux-sh.org>,
	"David S. Miller" <davem@davemloft.net>,
	Chris Metcalf <cmetcalf@tilera.com>,
	Guan Xuetao <gxt@mprc.pku.edu.cn>,
	Thomas Gleixner <tglx@linutronix.de>,
	Ingo Molnar <mingo@redhat.com>, "H. Peter Anvin" <hpa@zytor.com>,
	x86@kernel.org, Chris Zankel <chris@zankel.net>,
	Greg Ungerer <gerg@uclinux.org>,
	linux-alpha@vger.kernel.org, linux-kernel@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org, linux-ia64@vger.kernel.org,
	linux-m68k@lists.linux-m68k.org, linux-mips@linux-mips.org,
	linux-sh@vger.kernel.org, sparclinux@vger.kernel.org,
	linux-pci@vger.kernel.org,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Subject: Re: [PATCH 1/2] PCI: Annotate pci_fixup_irqs with __devinit
Date: Fri, 14 Sep 2012 14:53:11 -0600	[thread overview]
Message-ID: <CAErSpo6BqPUEpMmh2+FuEi-mHFK0U1XCmdCpJfo6V2XcNxzMNg@mail.gmail.com> (raw)
In-Reply-To: <1347655456-2542-1-git-send-email-thierry.reding@avionic-design.de>

+cc Greg KH

On Fri, Sep 14, 2012 at 2:44 PM, Thierry Reding
<thierry.reding@avionic-design.de> wrote:
> In order to keep pci_fixup_irqs() around after init (e.g. for hotplug),
> mark it __devinit instead of __init. This requires the same change for
> the implementation of the pcibios_update_irq() function on all
> architectures.
>
> Signed-off-by: Thierry Reding <thierry.reding@avionic-design.de>
> ---
> Note: Ideally these annotations should go away completely in order to
> be independent of the HOTPLUG symbol. However, there is work underway
> to get rid of HOTPLUG altogether, so I've kept the __devinit for now.
>
>  arch/alpha/kernel/pci.c   | 2 +-
>  arch/mips/pci/pci.c       | 2 +-
>  arch/sh/drivers/pci/pci.c | 2 +-
>  arch/x86/pci/visws.c      | 2 +-
>  arch/xtensa/kernel/pci.c  | 2 +-
>  drivers/pci/setup-irq.c   | 4 ++--
>  6 files changed, 7 insertions(+), 7 deletions(-)
>
> diff --git a/arch/alpha/kernel/pci.c b/arch/alpha/kernel/pci.c
> index 9816d5a..6192b35 100644
> --- a/arch/alpha/kernel/pci.c
> +++ b/arch/alpha/kernel/pci.c
> @@ -256,7 +256,7 @@ pcibios_fixup_bus(struct pci_bus *bus)
>         }
>  }
>
> -void __init
> +void __devinit
>  pcibios_update_irq(struct pci_dev *dev, int irq)
>  {
>         pci_write_config_byte(dev, PCI_INTERRUPT_LINE, irq);
> diff --git a/arch/mips/pci/pci.c b/arch/mips/pci/pci.c
> index 6903568..af3dc05 100644
> --- a/arch/mips/pci/pci.c
> +++ b/arch/mips/pci/pci.c
> @@ -313,7 +313,7 @@ void __devinit pcibios_fixup_bus(struct pci_bus *bus)
>         }
>  }
>
> -void __init
> +void __devinit
>  pcibios_update_irq(struct pci_dev *dev, int irq)
>  {
>         pci_write_config_byte(dev, PCI_INTERRUPT_LINE, irq);
> diff --git a/arch/sh/drivers/pci/pci.c b/arch/sh/drivers/pci/pci.c
> index 40db2d0..d16fabe 100644
> --- a/arch/sh/drivers/pci/pci.c
> +++ b/arch/sh/drivers/pci/pci.c
> @@ -192,7 +192,7 @@ int pcibios_enable_device(struct pci_dev *dev, int mask)
>         return pci_enable_resources(dev, mask);
>  }
>
> -void __init pcibios_update_irq(struct pci_dev *dev, int irq)
> +void __devinit pcibios_update_irq(struct pci_dev *dev, int irq)
>  {
>         pci_write_config_byte(dev, PCI_INTERRUPT_LINE, irq);
>  }
> diff --git a/arch/x86/pci/visws.c b/arch/x86/pci/visws.c
> index 6f2f8ee..15bdfbf 100644
> --- a/arch/x86/pci/visws.c
> +++ b/arch/x86/pci/visws.c
> @@ -62,7 +62,7 @@ out:
>         return irq;
>  }
>
> -void __init pcibios_update_irq(struct pci_dev *dev, int irq)
> +void __devinit pcibios_update_irq(struct pci_dev *dev, int irq)
>  {
>         pci_write_config_byte(dev, PCI_INTERRUPT_LINE, irq);
>  }
> diff --git a/arch/xtensa/kernel/pci.c b/arch/xtensa/kernel/pci.c
> index 69759e9..efc3369 100644
> --- a/arch/xtensa/kernel/pci.c
> +++ b/arch/xtensa/kernel/pci.c
> @@ -212,7 +212,7 @@ void pcibios_set_master(struct pci_dev *dev)
>
>  /* the next one is stolen from the alpha port... */
>
> -void __init
> +void __devinit
>  pcibios_update_irq(struct pci_dev *dev, int irq)
>  {
>         pci_write_config_byte(dev, PCI_INTERRUPT_LINE, irq);
> diff --git a/drivers/pci/setup-irq.c b/drivers/pci/setup-irq.c
> index eb219a1..f0bcd56 100644
> --- a/drivers/pci/setup-irq.c
> +++ b/drivers/pci/setup-irq.c
> @@ -18,7 +18,7 @@
>  #include <linux/cache.h>
>
>
> -static void __init
> +static void __devinit
>  pdev_fixup_irq(struct pci_dev *dev,
>                u8 (*swizzle)(struct pci_dev *, u8 *),
>                int (*map_irq)(const struct pci_dev *, u8, u8))
> @@ -54,7 +54,7 @@ pdev_fixup_irq(struct pci_dev *dev,
>         pcibios_update_irq(dev, irq);
>  }
>
> -void __init
> +void __devinit
>  pci_fixup_irqs(u8 (*swizzle)(struct pci_dev *, u8 *),
>                int (*map_irq)(const struct pci_dev *, u8, u8))
>  {
> --
> 1.7.12
>