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authorIngo Molnar <mingo@kernel.org>2021-02-12 13:36:43 +0100
committerIngo Molnar <mingo@kernel.org>2021-02-12 13:36:43 +0100
commita3251c1a36f595046bea03935ebe37a1e1f1f1d7 (patch)
tree14b51f8bf1d7e1bb35697cb4704255b51b15baa9 /drivers/usb/host/ehci-hub.c
parent72f40a2823d6e16229ab58b898c6f22044e5222f (diff)
parentab234a260b1f625b26cbefa93ca365b0ae66df33 (diff)
downloadlinux-a3251c1a36f595046bea03935ebe37a1e1f1f1d7.tar.bz2
Merge branch 'x86/paravirt' into x86/entry
Merge in the recent paravirt changes to resolve conflicts caused by objtool annotations. Conflicts: arch/x86/xen/xen-asm.S Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'drivers/usb/host/ehci-hub.c')
-rw-r--r--drivers/usb/host/ehci-hub.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/usb/host/ehci-hub.c b/drivers/usb/host/ehci-hub.c
index 087402aec5cb..9f9ab5ccea88 100644
--- a/drivers/usb/host/ehci-hub.c
+++ b/drivers/usb/host/ehci-hub.c
@@ -345,6 +345,9 @@ static int ehci_bus_suspend (struct usb_hcd *hcd)
unlink_empty_async_suspended(ehci);
+ /* Some Synopsys controllers mistakenly leave IAA turned on */
+ ehci_writel(ehci, STS_IAA, &ehci->regs->status);
+
/* Any IAA cycle that started before the suspend is now invalid */
end_iaa_cycle(ehci);
ehci_handle_start_intr_unlinks(ehci);