/**
* find_source_device - search through device hierarchy for source device
* @parent: pointer to Root Port pci_dev data structure
* @e_info: including detailed error information such like id
*
* Return true if found.
*
* Invoked by DPC when error is detected at the Root Port.
* Caller of this function must set id, severity, and multi_error_valid of
* struct aer_err_info pointed by @e_info properly. This function must fill
* e_info->error_dev_num and e_info->dev[], based on the given information.
*/
static bool find_source_device(struct pci_dev *parent,
struct aer_err_info *e_info)
{
struct pci_dev *dev = parent;
int result;
/* Must reset in this function */
e_info->error_dev_num = 0;
/* Is Root Port an agent that sends error message? */
result = find_device_iter(dev, e_info);
if (result)
return true;
pci_walk_bus(parent->subordinate, find_device_iter, e_info);
if (!e_info->error_dev_num) {
#ifdef CONFIG_DEBUG_PRINTK
dev_printk(KERN_DEBUG, &parent->dev,
"can't find device of ID%04x\n",
e_info->id);
#else
dev_;
#endif
return false;
}
return true;
}
/**
* find_source_device - search through device hierarchy for source device
* @parent: pointer to Root Port pci_dev data structure
* @err_info: including detailed error information such like id
*
* Invoked when error is detected at the Root Port.
*/
static void find_source_device(struct pci_dev *parent,
struct aer_err_info *e_info)
{
struct pci_dev *dev = parent;
int result;
/* Is Root Port an agent that sends error message? */
result = find_device_iter(dev, e_info);
if (result)
return;
pci_walk_bus(parent->subordinate, find_device_iter, e_info);
}
static void find_source_device(struct pci_dev *parent,
struct aer_err_info *e_info)
{
struct pci_dev *dev = parent;
int result;
result = find_device_iter(dev, e_info);
if (result)
return;
pci_walk_bus(parent->subordinate, find_device_iter, e_info);
}