From 0c540438c632005ce57f45436a25cafa499d977f Mon Sep 17 00:00:00 2001 From: Josue David Hernandez Gutierrez <josue.d.hernandez.gutierrez@intel.com> Date: Fri, 17 Mar 2023 17:47:14 +0200 Subject: [PATCH] xhci: Call MSI sync function from xhci-pci instead of generic xhci code Call function to sync MSI interrupts from pci specific xhci_pci_suspend() function in xhci-pci.c instead of from generic xhci_suspend() [commit message rewording -Mathias] 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/20230317154715.535523-14-mathias.nyman@linux.intel.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> --- drivers/usb/host/xhci-pci.c | 5 +++++ drivers/usb/host/xhci.c | 7 ++----- 2 files changed, 7 insertions(+), 5 deletions(-) diff --git a/drivers/usb/host/xhci-pci.c b/drivers/usb/host/xhci-pci.c index 1e84a842e2a9..ef55cadc8d14 100644 --- a/drivers/usb/host/xhci-pci.c +++ b/drivers/usb/host/xhci-pci.c @@ -779,6 +779,7 @@ static void xhci_sparse_control_quirk(struct usb_hcd *hcd) writel(reg, hcd->regs + SPARSE_CNTL_ENABLE); } +extern void xhci_msix_sync_irqs(struct xhci_hcd *xhci); static int xhci_pci_suspend(struct usb_hcd *hcd, bool do_wakeup) { struct xhci_hcd *xhci = hcd_to_xhci(hcd); @@ -802,6 +803,10 @@ static int xhci_pci_suspend(struct usb_hcd *hcd, bool do_wakeup) xhci_sparse_control_quirk(hcd); ret = xhci_suspend(xhci, do_wakeup); + + /* synchronize irq when using MSI-X */ + xhci_msix_sync_irqs(xhci); + if (ret && (xhci->quirks & XHCI_SSIC_PORT_UNUSED)) xhci_ssic_port_unused_quirk(hcd, false); diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c index 874dca6dec69..c0fb34ccd187 100644 --- a/drivers/usb/host/xhci.c +++ b/drivers/usb/host/xhci.c @@ -320,7 +320,7 @@ static int xhci_disable_interrupter(struct xhci_interrupter *ir) #ifdef CONFIG_USB_PCI -static void __maybe_unused xhci_msix_sync_irqs(struct xhci_hcd *xhci) +void xhci_msix_sync_irqs(struct xhci_hcd *xhci) { struct usb_hcd *hcd = xhci_to_hcd(xhci); @@ -332,6 +332,7 @@ static void __maybe_unused xhci_msix_sync_irqs(struct xhci_hcd *xhci) synchronize_irq(pci_irq_vector(pdev, i)); } } +EXPORT_SYMBOL_GPL(xhci_msix_sync_irqs); #else @@ -969,10 +970,6 @@ int xhci_suspend(struct xhci_hcd *xhci, bool do_wakeup) __func__); } - /* step 5: remove core well power */ - /* synchronize irq when using MSI-X */ - xhci_msix_sync_irqs(xhci); - return rc; } EXPORT_SYMBOL_GPL(xhci_suspend); -- 2.30.9