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authorJosue David Hernandez Gutierrez <josue.d.hernandez.gutierrez@intel.com>2023-03-17 16:47:14 +0100
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2023-03-23 17:25:23 +0100
commit0c540438c632005ce57f45436a25cafa499d977f (patch)
tree3f1f4dd37ecd4f4d32628e0e3788ba04da467945
parentxhci: Move functions to cleanup MSI to xhci-pci (diff)
downloadlinux-0c540438c632005ce57f45436a25cafa499d977f.tar.xz
linux-0c540438c632005ce57f45436a25cafa499d977f.zip
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>
Diffstat (limited to '')
-rw-r--r--drivers/usb/host/xhci-pci.c5
-rw-r--r--drivers/usb/host/xhci.c7
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);