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PCI/ERR: Remove service dependency in pcie_do_recovery()

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Previously we passed the PCIe service type parameter to pcie_do_recovery(),
where reset_link() looked up the underlying pci_port_service_driver and its
.reset_link() function pointer. Instead of using this roundabout way, we
can just pass the driver-specific .reset_link() callback function when
calling pcie_do_recovery() function.

This allows us to call pcie_do_recovery() from code that is not a PCIe port
service driver, e.g., Error Disconnect Recover (EDR) support.

Remove pcie_port_find_service() and pcie_port_service_driver.reset_link
since they are now unused.

Link: https://lore.kernel.org/r/60e02b87b526cdf2930400059d98704bf0a147d1.1585000084.git.sathyanarayanan.kuppuswamy@linux.intel.com
Signed-off-by: Kuppuswamy Sathyanarayanan <sathyanarayanan.kuppuswamy@linux.intel.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
This commit is contained in:
Kuppuswamy Sathyanarayanan
2020-03-23 17:26:02 -07:00
committed by Bjorn Helgaas
parent be06c1b42e
commit b6cf1a42f9
7 changed files with 18 additions and 96 deletions
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2
drivers/pci/pci.h
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@@ -548,7 +548,7 @@ static inline int pci_dev_specific_disable_acs_redir(struct pci_dev *dev)
/* PCI error reporting and recovery */
void pcie_do_recovery(struct pci_dev *dev, enum pci_channel_state state,
u32 service);
pci_ers_result_t (*reset_link)(struct pci_dev *pdev));
bool pcie_wait_for_link(struct pci_dev *pdev, bool active);
#ifdef CONFIG_PCIEASPM