linux-kernel - [PATCH 3/4] Run pci_apply_final

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Message-Id: <1255349177.10605.10.camel@macbook.infradead.org>
Date:	Mon, 12 Oct 2009 13:06:17 +0100
From:	David Woodhouse <dwmw2@...radead.org>
To:	Linus Torvalds <torvalds@...ux-foundation.org>
Cc:	"Rafael J.Wysocki" <rjw@...k.pl>,
	Greg Kroah-Hartman <gregkh@...e.de>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Adrian Bunk <bunk@...nel.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Natalie Protasevich <protasnb@...il.com>
Subject: [PATCH 3/4] Run pci_apply_final_quirks() sooner.

Having this as a device_initcall() means that some real device drivers
can actually initialise _before_ the quirks are run, which is wrong.

We want it to run _before_ device_initcall(), but _after_ fs_initcall(),
since some arch-specific PCI initialisation like pcibios_assign_resources()
is done at fs_initcall().

We could use rootfs_initcall() but I actually want to use that for the
IOMMU initialisation, which has to come after the quirks, but still
before the real devices. So use fs_initcall_sync() instead -- since this
is entirely synchronous, it doesn't hurt that it'll escape the
synchronisation.

Signed-off-by: David Woodhouse <David.Woodhouse@...el.com>
---
 drivers/pci/quirks.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c
index 77bf620..4e1b1b8 100644
--- a/drivers/pci/quirks.c
+++ b/drivers/pci/quirks.c
@@ -2584,7 +2584,7 @@ static int __init pci_apply_final_quirks(void)
 	return 0;
 }

-device_initcall(pci_apply_final_quirks);
+fs_initcall_sync(pci_apply_final_quirks);
 #else
 void pci_fixup_device(enum pci_fixup_pass pass, struct pci_dev *dev) {}
 #endif
-- 
1.6.5.rc2

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