From: Bjorn Helgaas <bhelgaas@google.com>
Date: Sat, 16 Jun 2012 20:40:22 +0000 (-0600)
Subject: PCI: add infrastructure for devices with broken INTx masking
X-Git-Tag: v3.6-rc1~112^2~15^2~2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=fbebb9fd22581b6422d60669c4ff86ce99d6cdba;p=pandora-kernel.git

PCI: add infrastructure for devices with broken INTx masking

pci_intx_mask_supported() assumes INTx masking is supported if the
PCI_COMMAND_INTX_DISABLE bit is writable.  But when that bit is set,
some devices don't actually mask INTx or update PCI_STATUS_INTERRUPT
as we expect.

This patch adds a way for quirks to identify these broken devices.

[bhelgaas: split out from Chelsio quirk addition]
Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
---

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