diff options
| author | Josue David Hernandez Gutierrez <josue.d.hernandez.gutierrez@intel.com> | 2023-03-17 16:47:13 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2023-03-23 17:25:23 +0100 |
| commit | ba47b1aa7640cb98bb3e4c06f37afdbeb5c5d9ba (patch) | |
| tree | f81002dacc541bdd72796ff5d5e7bbca641e7d67 | |
| parent | xhci: move PCI specific MSI/MSIX cleanup away from generic xhci functions (diff) | |
| download | linux-ba47b1aa7640cb98bb3e4c06f37afdbeb5c5d9ba.tar.xz linux-ba47b1aa7640cb98bb3e4c06f37afdbeb5c5d9ba.zip | |
xhci: Move functions to cleanup MSI to xhci-pci
Move function to cleanup MSI from xhci.c to xhci-pci.c
This is to decouple PCI specific code from generic xhci code.
No functional changes, function is an exact copy
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/20230317154715.535523-13-mathias.nyman@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | drivers/usb/host/xhci-pci.c | 26 | ||||
| -rw-r--r-- | drivers/usb/host/xhci.c | 31 | ||||
| -rw-r--r-- | drivers/usb/host/xhci.h | 1 |
3 files changed, 26 insertions, 32 deletions
diff --git a/drivers/usb/host/xhci-pci.c b/drivers/usb/host/xhci-pci.c index b6cfc028f8f7..1e84a842e2a9 100644 --- a/drivers/usb/host/xhci-pci.c +++ b/drivers/usb/host/xhci-pci.c @@ -88,6 +88,32 @@ static const struct xhci_driver_overrides xhci_pci_overrides __initconst = { .update_hub_device = xhci_pci_update_hub_device, }; +/* Free any IRQs and disable MSI-X */ +static void xhci_cleanup_msix(struct xhci_hcd *xhci) +{ + struct usb_hcd *hcd = xhci_to_hcd(xhci); + struct pci_dev *pdev = to_pci_dev(hcd->self.controller); + + if (xhci->quirks & XHCI_PLAT) + return; + + /* return if using legacy interrupt */ + if (hcd->irq > 0) + return; + + if (hcd->msix_enabled) { + int i; + + for (i = 0; i < xhci->msix_count; i++) + free_irq(pci_irq_vector(pdev, i), xhci_to_hcd(xhci)); + } else { + free_irq(pci_irq_vector(pdev, 0), xhci_to_hcd(xhci)); + } + + pci_free_irq_vectors(pdev); + hcd->msix_enabled = 0; +} + /* * Set up MSI */ diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c index cf90751125ed..874dca6dec69 100644 --- a/drivers/usb/host/xhci.c +++ b/drivers/usb/host/xhci.c @@ -320,33 +320,6 @@ static int xhci_disable_interrupter(struct xhci_interrupter *ir) #ifdef CONFIG_USB_PCI -/* Free any IRQs and disable MSI-X */ -void xhci_cleanup_msix(struct xhci_hcd *xhci) -{ - struct usb_hcd *hcd = xhci_to_hcd(xhci); - struct pci_dev *pdev = to_pci_dev(hcd->self.controller); - - if (xhci->quirks & XHCI_PLAT) - return; - - /* return if using legacy interrupt */ - if (hcd->irq > 0) - return; - - if (hcd->msix_enabled) { - int i; - - for (i = 0; i < xhci->msix_count; i++) - free_irq(pci_irq_vector(pdev, i), xhci_to_hcd(xhci)); - } else { - free_irq(pci_irq_vector(pdev, 0), xhci_to_hcd(xhci)); - } - - pci_free_irq_vectors(pdev); - hcd->msix_enabled = 0; -} -EXPORT_SYMBOL_GPL(xhci_cleanup_msix); - static void __maybe_unused xhci_msix_sync_irqs(struct xhci_hcd *xhci) { struct usb_hcd *hcd = xhci_to_hcd(xhci); @@ -362,10 +335,6 @@ static void __maybe_unused xhci_msix_sync_irqs(struct xhci_hcd *xhci) #else -static inline void xhci_cleanup_msix(struct xhci_hcd *xhci) -{ -} - static inline void xhci_msix_sync_irqs(struct xhci_hcd *xhci) { } diff --git a/drivers/usb/host/xhci.h b/drivers/usb/host/xhci.h index a9111260632c..08d721921b7b 100644 --- a/drivers/usb/host/xhci.h +++ b/drivers/usb/host/xhci.h @@ -2144,7 +2144,6 @@ 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, |