The code predates 2005, it should be unnecessary now as PCI core handles
MSI much better nowadays.
So stop PCI MSI mangling in suspend/resume callbacks.
Signed-off-by: Kai-Heng Feng <kai.heng.feng@xxxxxxxxxxxxx>
---
sound/pci/hda/hda_intel.c | 15 ---------------
1 file changed, 15 deletions(-)
diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c
index 749b88090970..b4aa1dcf1aae 100644
--- a/sound/pci/hda/hda_intel.c
+++ b/sound/pci/hda/hda_intel.c
@@ -1022,13 +1022,11 @@ static int azx_suspend(struct device *dev)
{
struct snd_card *card = dev_get_drvdata(dev);
struct azx *chip;
- struct hdac_bus *bus;
if (!azx_is_pm_ready(card))
return 0;
chip = card->private_data;
- bus = azx_bus(chip);
snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
/* An ugly workaround: direct call of __azx_runtime_suspend() and
* __azx_runtime_resume() for old Intel platforms that suffer from
@@ -1038,14 +1036,6 @@ static int azx_suspend(struct device *dev)
__azx_runtime_suspend(chip);
else
pm_runtime_force_suspend(dev);
- if (bus->irq >= 0) {
- free_irq(bus->irq, chip);
- bus->irq = -1;
- chip->card->sync_irq = -1;
- }
-
- if (chip->msi)
- pci_disable_msi(chip->pci);
trace_azx_suspend(chip);
return 0;
@@ -1060,11 +1050,6 @@ static int azx_resume(struct device *dev)
return 0;
chip = card->private_data;
- if (chip->msi)
- if (pci_enable_msi(chip->pci) < 0)
- chip->msi = 0;
- if (azx_acquire_irq(chip, 1) < 0)
- return -EIO;
if (chip->driver_caps & AZX_DCAPS_SUSPEND_SPURIOUS_WAKEUP)
__azx_runtime_resume(chip, false);
--
2.17.1
