diff options
| author | Josue David Hernandez Gutierrez <josue.d.hernandez.gutierrez@intel.com> | 2023-03-17 17:47:12 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2023-03-23 17:25:22 +0100 |
| commit | ed526ba2ecdfb77bcdbcf4331b8380b646252c20 (patch) | |
| tree | 40462ab813b6921a1800f61bf42e06d66ce11618 /drivers/usb/host/xhci.h | |
| parent | fabbd95cc47cc412e68d03476367046f4cdbd838 (diff) | |
| download | lwn-ed526ba2ecdfb77bcdbcf4331b8380b646252c20.tar.gz lwn-ed526ba2ecdfb77bcdbcf4331b8380b646252c20.zip | |
xhci: move PCI specific MSI/MSIX cleanup away from generic xhci functions
Call the PCI specific MSI/MSIX interrupt freeing code from the xhci-pci
callbacks instead of generic xhci code, decoupling PCI parts from
generic xhci functions.
Adds xhci_pci_stop() that overrides xhci_stop() for PCI xHC controllers.
This will free MSIX interrupts a bit later in the hc_driver stop
callback, but is still earlier than usb core frees "legacy" interrupts,
or interrupts for other hosts.
Signed-off-by: Josue David Hernandez Gutierrez <josue.d.hernandez.gutierrez@intel.com>
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Link: https://lore.kernel.org/r/20230317154715.535523-12-mathias.nyman@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb/host/xhci.h')
| -rw-r--r-- | drivers/usb/host/xhci.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/usb/host/xhci.h b/drivers/usb/host/xhci.h index 786002bb35db..a9111260632c 100644 --- a/drivers/usb/host/xhci.h +++ b/drivers/usb/host/xhci.h @@ -2125,6 +2125,7 @@ int xhci_reset(struct xhci_hcd *xhci, u64 timeout_us); int xhci_run(struct usb_hcd *hcd); int xhci_gen_setup(struct usb_hcd *hcd, xhci_get_quirks_t get_quirks); void xhci_shutdown(struct usb_hcd *hcd); +void xhci_stop(struct usb_hcd *hcd); void xhci_init_driver(struct hc_driver *drv, const struct xhci_driver_overrides *over); int xhci_add_endpoint(struct usb_hcd *hcd, struct usb_device *udev, @@ -2143,6 +2144,7 @@ int xhci_resume(struct xhci_hcd *xhci, bool hibernated); irqreturn_t xhci_irq(struct usb_hcd *hcd); irqreturn_t xhci_msi_irq(int irq, void *hcd); +void xhci_cleanup_msix(struct xhci_hcd *xhci); int xhci_alloc_dev(struct usb_hcd *hcd, struct usb_device *udev); int xhci_alloc_tt_info(struct xhci_hcd *xhci, struct xhci_virt_device *virt_dev, |