diff options
Diffstat (limited to 'arch/powerpc/platforms/pseries/eeh.c')
| -rw-r--r-- | arch/powerpc/platforms/pseries/eeh.c | 33 |
1 files changed, 14 insertions, 19 deletions
diff --git a/arch/powerpc/platforms/pseries/eeh.c b/arch/powerpc/platforms/pseries/eeh.c index 4bdc278..9e618424 100644 --- a/arch/powerpc/platforms/pseries/eeh.c +++ b/arch/powerpc/platforms/pseries/eeh.c @@ -270,9 +270,8 @@ static inline unsigned long eeh_token_to_phys(unsigned long token) } /** - * eeh_dn_check_failure - Check if all 1's data is due to EEH slot freeze - * @dn: device node - * @dev: pci device, if known + * eeh_dev_check_failure - Check if all 1's data is due to EEH slot freeze + * @edev: eeh device * * Check for an EEH failure for the given device node. Call this * routine if the result of a read was all 0xff's and you want to @@ -284,12 +283,13 @@ static inline unsigned long eeh_token_to_phys(unsigned long token) * * It is safe to call this routine in an interrupt context. */ -int eeh_dn_check_failure(struct device_node *dn, struct pci_dev *dev) +int eeh_dev_check_failure(struct eeh_dev *edev) { int ret; unsigned long flags; + struct device_node *dn; + struct pci_dev *dev; struct eeh_pe *pe; - struct eeh_dev *edev; int rc = 0; const char *location; @@ -298,15 +298,12 @@ int eeh_dn_check_failure(struct device_node *dn, struct pci_dev *dev) if (!eeh_subsystem_enabled) return 0; - if (dn) { - edev = of_node_to_eeh_dev(dn); - } else if (dev) { - edev = pci_dev_to_eeh_dev(dev); - dn = pci_device_to_OF_node(dev); - } else { + if (!edev) { eeh_stats.no_dn++; return 0; } + dn = eeh_dev_to_of_node(edev); + dev = eeh_dev_to_pci_dev(edev); pe = edev->pe; /* Access to IO BARs might get this far and still not want checking. */ @@ -393,7 +390,7 @@ dn_unlock: return rc; } -EXPORT_SYMBOL_GPL(eeh_dn_check_failure); +EXPORT_SYMBOL_GPL(eeh_dev_check_failure); /** * eeh_check_failure - Check if all 1's data is due to EEH slot freeze @@ -410,21 +407,19 @@ EXPORT_SYMBOL_GPL(eeh_dn_check_failure); unsigned long eeh_check_failure(const volatile void __iomem *token, unsigned long val) { unsigned long addr; - struct pci_dev *dev; - struct device_node *dn; + struct eeh_dev *edev; /* Finding the phys addr + pci device; this is pretty quick. */ addr = eeh_token_to_phys((unsigned long __force) token); - dev = pci_addr_cache_get_device(addr); - if (!dev) { + edev = pci_addr_cache_get_device(addr); + if (!edev) { eeh_stats.no_device++; return val; } - dn = pci_device_to_OF_node(dev); - eeh_dn_check_failure(dn, dev); + eeh_dev_check_failure(edev); - pci_dev_put(dev); + pci_dev_put(eeh_dev_to_pci_dev(edev)); return val; } |
