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ahci: restore pci_intx() handling

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Commit a5bfc4714b dropped explicit
pci_intx() manipulation from ahci because it seemed unnecessary and
ahci doesn't seem to be the right place to be tweaking it if it were.
This was largely okay but there are exceptions.  There was one on an
embedded platform which was fixed via firmware and now bko#14124
reports it on a HP DL320.

  http://bugzilla.kernel.org/show_bug.cgi?id=14124

I still think this isn't something libata drivers should be caring
about (the only ones which are calling pci_intx() explicitly are
libata ones and one other driver) but for now reverting the change
seems to be the right thing to do.

Signed-off-by: Tejun Heo <tj@kernel.org>
Reported-by: Thomas Jarosch <thomas.jarosch@intra2net.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
This commit is contained in:
Tejun Heo 2009-09-17 00:34:39 +09:00 committed by Jeff Garzik
parent de55a8958f
commit 31b239ad1b
1 changed files with 2 additions and 2 deletions
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4
drivers/ata/ahci.c
View file

@ -2930,8 +2930,8 @@ static int ahci_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
if (ahci_sb600_32bit_only(pdev))
hpriv->flags |= AHCI_HFLAG_32BIT_ONLY;
if (!(hpriv->flags & AHCI_HFLAG_NO_MSI))
pci_enable_msi(pdev);
if ((hpriv->flags & AHCI_HFLAG_NO_MSI) || pci_enable_msi(pdev))
pci_intx(pdev, 1);
/* save initial config */
ahci_save_initial_config(pdev, hpriv);