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authorDexuan Cui <dexuan.cui@intel.com>2009-12-07 13:03:21 +0800
committerJesse Barnes <jbarnes@virtuousgeek.org>2009-12-16 13:37:50 -0800
commitb9c3b266411d27f1a6466c19d146d08db576bfea (patch)
treec310b37e7dff6607e22eca0b690c2a3f290c85a9 /drivers/pci/quirks.c
parent2820f333e3b4ad96590093efbed7b3400bcf492b (diff)
PCI: support device-specific reset methods
Add a new type of quirk for resetting devices at pci_dev_reset time. This is necessary to handle device with nonstandard reset procedures, especially useful for guest drivers. Signed-off-by: Yu Zhao <yu.zhao@intel.com> Signed-off-by: Dexuan Cui <dexuan.cui@intel.com> Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Diffstat (limited to 'drivers/pci/quirks.c')
-rw-r--r--drivers/pci/quirks.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c
index f70f4e23225c..86c9177a6c6c 100644
--- a/drivers/pci/quirks.c
+++ b/drivers/pci/quirks.c
@@ -2636,6 +2636,15 @@ static int __init pci_apply_final_quirks(void)
}
fs_initcall_sync(pci_apply_final_quirks);
+
+/*
+ * Followings are device-specific reset methods which can be used to
+ * reset a single function if other methods (e.g. FLR, PM D0->D3) are
+ * not available.
+ */
+struct pci_dev_reset_methods pci_dev_reset_methods[] = {
+ { 0 }
+};
#else
void pci_fixup_device(enum pci_fixup_pass pass, struct pci_dev *dev) {}
#endif