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authorGrant Likely <grant.likely@linaro.org>2014-03-04 16:44:10 +0800
committerGrant Likely <grant.likely@linaro.org>2014-03-04 16:44:10 +0800
commitdab2310d9d90eded48625c5382c6a60389bf8ca9 (patch)
tree9327cc815d69dec23aebf03407e3fa82b6d2fbaa /drivers/pci/pci.c
parenta3dbeb5b45af5b6113385db89fce2a8279278e8b (diff)
parent0414855fdc4a40da05221fc6062cccbc0c30f169 (diff)
downloadop-kernel-dev-dab2310d9d90eded48625c5382c6a60389bf8ca9.zip
op-kernel-dev-dab2310d9d90eded48625c5382c6a60389bf8ca9.tar.gz
Merge tag 'v3.14-rc5' into HEAD
Linux 3.14-rc5
Diffstat (limited to 'drivers/pci/pci.c')
-rw-r--r--drivers/pci/pci.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c
index 1febe90..6b05f61 100644
--- a/drivers/pci/pci.c
+++ b/drivers/pci/pci.c
@@ -1181,6 +1181,8 @@ EXPORT_SYMBOL_GPL(pci_load_and_free_saved_state);
static int do_pci_enable_device(struct pci_dev *dev, int bars)
{
int err;
+ u16 cmd;
+ u8 pin;
err = pci_set_power_state(dev, PCI_D0);
if (err < 0 && err != -EIO)
@@ -1190,6 +1192,14 @@ static int do_pci_enable_device(struct pci_dev *dev, int bars)
return err;
pci_fixup_device(pci_fixup_enable, dev);
+ pci_read_config_byte(dev, PCI_INTERRUPT_PIN, &pin);
+ if (pin) {
+ pci_read_config_word(dev, PCI_COMMAND, &cmd);
+ if (cmd & PCI_COMMAND_INTX_DISABLE)
+ pci_write_config_word(dev, PCI_COMMAND,
+ cmd & ~PCI_COMMAND_INTX_DISABLE);
+ }
+
return 0;
}
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