kernel: Move to Linux v5.1.15-openpower1
Powerpc related changes:
powerpc/mm/64s/hash: Reallocate context ids on fork
powerpc/bpf: use unsigned division instruction for 64-bit operations
powerpc/powernv: Return for invalid IMC domain
powerpc/64s: Fix THP PMD collapse serialisation
Signed-off-by: Joel Stanley <joel@jms.id.au>
diff --git a/openpower/linux/0001-xhci-Reset-controller-on-xhci-shutdown.patch b/openpower/linux/0001-xhci-Reset-controller-on-xhci-shutdown.patch
index 5982f23..d25646e 100644
--- a/openpower/linux/0001-xhci-Reset-controller-on-xhci-shutdown.patch
+++ b/openpower/linux/0001-xhci-Reset-controller-on-xhci-shutdown.patch
@@ -14,7 +14,7 @@
1 file changed, 1 insertion(+)
diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c
-index 448e3f812833..3eb119e6f58b 100644
+index f39ca3980e48..bd7011c1ad34 100644
--- a/drivers/usb/host/xhci.c
+++ b/drivers/usb/host/xhci.c
@@ -793,6 +793,7 @@ static void xhci_shutdown(struct usb_hcd *hcd)