Linux-PCI Archive on lore.kernel.org
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From: Myron Stowe <myron.stowe@redhat.com>
To: bhelgaas@google.com
Cc: linux-pci@vger.kernel.org, rth@twiddle.net,
	ink@jurassic.park.msu.ru, mattst88@gmail.com,
	ralf@linux-mips.org, tglx@linutronix.de, mingo@redhat.com,
	hpa@zytor.com, yinghai@kernel.org, linux-kernel@vger.kernel.org
Subject: [PATCH -v2 6/8] x86/PCI: Move final fixup quirks from __init to __devinit
Date: Mon, 09 Jul 2012 15:36:33 -0600
Message-ID: <20120709213633.8975.74128.stgit@amt.stowe> (raw)
In-Reply-To: <20120709213554.8975.60552.stgit@amt.stowe>

The PCI subsystem's final fixups are executed once during boot, after the
pci-device is found.  As long as the system does not support hot-plug,
specifying __init is fine.

With hot-plug, either physically based hot-plug events or pseudo hot-plug
events such as "echo 1 > /sys/bus/pci/rescan", it is possible to remove a
PCI bus during run time and have it rediscovered which will require the
call of the fixups again in order for the device to function properly.

This patch prepares specific quirk(s) for use with hot-plug events.

Signed-off-by: Myron Stowe <myron.stowe@redhat.com>
---

 arch/x86/kernel/quirks.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/arch/x86/kernel/quirks.c b/arch/x86/kernel/quirks.c
index 03920a1..1b27de5 100644
--- a/arch/x86/kernel/quirks.c
+++ b/arch/x86/kernel/quirks.c
@@ -512,7 +512,7 @@ DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_SBX00_SMBUS,
 
 #if defined(CONFIG_PCI) && defined(CONFIG_NUMA)
 /* Set correct numa_node information for AMD NB functions */
-static void __init quirk_amd_nb_node(struct pci_dev *dev)
+static void __devinit quirk_amd_nb_node(struct pci_dev *dev)
 {
 	struct pci_dev *nb_ht;
 	unsigned int devfn;


  parent reply index

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-07-09 21:35 [PATCH -v2 0/8] PCI: Add 'pci_fixup_final' quirks into hot-plug paths Myron Stowe
2012-07-09 21:36 ` [PATCH -v2 1/8] PCI: Restructure 'pci_do_fixups()' Myron Stowe
2012-07-09 21:36 ` [PATCH -v2 2/8] PCI: release temporary reference in __nv_msi_ht_cap_quirk() Myron Stowe
2012-07-09 21:36 ` [PATCH -v2 3/8] PCI: Adjust section annotations of various quirks Myron Stowe
2012-07-09 21:36 ` [PATCH -v2 4/8] alpha/PCI: Move final fixup quirks from __init to __devinit Myron Stowe
2012-07-09 21:36 ` [PATCH -v2 5/8] MIPS/PCI: " Myron Stowe
2012-07-09 21:36 ` Myron Stowe [this message]
2012-07-09 21:36 ` [PATCH -v2 7/8] PCI: " Myron Stowe
2012-07-09 21:36 ` [PATCH -v2 8/8] PCI: Integrate 'pci_fixup_final' quirks into hot-plug paths Myron Stowe
2012-07-10  3:22 ` [PATCH -v2 0/8] PCI: Add " Bjorn Helgaas

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