diff options
| author | Greg Kroah-Hartman | 2005-07-28 11:37:33 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman | 2005-09-08 14:57:25 -0700 |
| commit | 95a629657dbe28e44a312c47815b3dc3f1ce0970 (patch) | |
| tree | 0e48656b5d61e26078a50af9f6766e52934fbedf /drivers/usb | |
| parent | 085ae41f66657a9655ce832b0a61832a06f0e1dc (diff) | |
[PATCH] PCI: start paying attention to a lot of pci function return values
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/usb')
| -rw-r--r-- | drivers/usb/core/hcd-pci.c | 24 | ||||
| -rw-r--r-- | drivers/usb/host/ehci-hcd.c | 4 |
2 files changed, 22 insertions, 6 deletions
diff --git a/drivers/usb/core/hcd-pci.c b/drivers/usb/core/hcd-pci.c index 7b9e54c39678..cbb451d227d2 100644 --- a/drivers/usb/core/hcd-pci.c +++ b/drivers/usb/core/hcd-pci.c @@ -260,8 +260,10 @@ int usb_hcd_pci_suspend (struct pci_dev *dev, pm_message_t message) retval = pci_set_power_state (dev, PCI_D3hot); if (retval == 0) { dev_dbg (hcd->self.controller, "--> PCI D3\n"); - pci_enable_wake (dev, PCI_D3hot, hcd->remote_wakeup); - pci_enable_wake (dev, PCI_D3cold, hcd->remote_wakeup); + retval = pci_enable_wake (dev, PCI_D3hot, hcd->remote_wakeup); + if (retval) + break; + retval = pci_enable_wake (dev, PCI_D3cold, hcd->remote_wakeup); } else if (retval < 0) { dev_dbg (&dev->dev, "PCI D3 suspend fail, %d\n", retval); @@ -335,8 +337,20 @@ int usb_hcd_pci_resume (struct pci_dev *dev) dev->current_state); } #endif - pci_enable_wake (dev, dev->current_state, 0); - pci_enable_wake (dev, PCI_D3cold, 0); + retval = pci_enable_wake (dev, dev->current_state, 0); + if (retval) { + dev_err(hcd->self.controller, + "can't enable_wake to %d, %d!\n", + dev->current_state, retval); + return retval; + } + retval = pci_enable_wake (dev, PCI_D3cold, 0); + if (retval) { + dev_err(hcd->self.controller, + "can't enable_wake to %d, %d!\n", + PCI_D3cold, retval); + return retval; + } } else { /* Same basic cases: clean (powered/not), dirty */ dev_dbg(hcd->self.controller, "PCI legacy resume\n"); @@ -376,7 +390,7 @@ int usb_hcd_pci_resume (struct pci_dev *dev) usb_hc_died (hcd); } - pci_enable_device(dev); + retval = pci_enable_device(dev); return retval; } EXPORT_SYMBOL (usb_hcd_pci_resume); diff --git a/drivers/usb/host/ehci-hcd.c b/drivers/usb/host/ehci-hcd.c index 149b13fc0a71..2507e898af09 100644 --- a/drivers/usb/host/ehci-hcd.c +++ b/drivers/usb/host/ehci-hcd.c @@ -549,7 +549,9 @@ static int ehci_start (struct usb_hcd *hcd) hcd->can_wakeup = (port_wake & 1) != 0; /* help hc dma work well with cachelines */ - pci_set_mwi (pdev); + retval = pci_set_mwi(pdev); + if (retval) + ehci_dbg(ehci, "unable to enable MWI - not fatal.\n"); } #endif |