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[PATCH] PCI: start paying attention to a lot of pci function return values

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Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Greg Kroah-Hartman
2005-07-28 11:37:33 -07:00
parent 085ae41f66
commit 95a629657d
6 changed files with 39 additions and 13 deletions
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3
drivers/pci/bus.c
View File

@@ -140,10 +140,11 @@ void __devinit pci_bus_add_devices(struct pci_bus *bus)
void pci_enable_bridges(struct pci_bus *bus)
{
struct pci_dev *dev;
int retval;
list_for_each_entry(dev, &bus->devices, bus_list) {
if (dev->subordinate) {
pci_enable_device(dev);
retval = pci_enable_device(dev);
pci_set_master(dev);
pci_enable_bridges(dev->subordinate);
}

6
drivers/pci/pci-driver.c
View File

@@ -272,17 +272,19 @@ static int pci_device_suspend(struct device * dev, pm_message_t state)
}
/*
/*
* Default resume method for devices that have no driver provided resume,
* or not even a driver at all.
*/
static void pci_default_resume(struct pci_dev *pci_dev)
{
int retval;
/* restore the PCI config space */
pci_restore_state(pci_dev);
/* if the device was enabled before suspend, reenable */
if (pci_dev->is_enabled)
pci_enable_device(pci_dev);
retval = pci_enable_device(pci_dev);
/* if the device was busmaster before the suspend, make it busmaster again */
if (pci_dev->is_busmaster)
pci_set_master(pci_dev);

7
drivers/pci/pci.c
View File

@@ -444,8 +444,11 @@ pci_enable_device_bars(struct pci_dev *dev, int bars)
{
int err;
pci_set_power_state(dev, PCI_D0);
if ((err = pcibios_enable_device(dev, bars)) < 0)
err = pci_set_power_state(dev, PCI_D0);
if (err)
return err;
err = pcibios_enable_device(dev, bars);
if (err < 0)
return err;
return 0;
}

8
drivers/pci/pcie/portdrv_pci.c
View File

@@ -90,15 +90,19 @@ static void pcie_portdrv_save_config(struct pci_dev *dev)
pci_save_msi_state(dev);
}
static void pcie_portdrv_restore_config(struct pci_dev *dev)
static int pcie_portdrv_restore_config(struct pci_dev *dev)
{
struct pcie_port_device_ext *p_ext = pci_get_drvdata(dev);
int retval;
pci_restore_state(dev);
if (p_ext->interrupt_mode == PCIE_PORT_MSI_MODE)
pci_restore_msi_state(dev);
pci_enable_device(dev);
retval = pci_enable_device(dev);
if (retval)
return retval;
pci_set_master(dev);
return 0;
}
/*