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If not sure what value to use then use the xhci driver default xhci->imod_interval Suggested-by: Wesley Cheng Signed-off-by: Mathias Nyman Link: https://lore.kernel.org/r/20240905143300.1959279-13-mathias.nyman@lin= ux.intel.com Signed-off-by: Greg Kroah-Hartman --- drivers/usb/host/xhci-mem.c | 8 +++++++- drivers/usb/host/xhci.c | 4 ++-- drivers/usb/host/xhci.h | 5 ++++- 3 files changed, 13 insertions(+), 4 deletions(-) diff --git a/drivers/usb/host/xhci-mem.c b/drivers/usb/host/xhci-mem.c index 3100219d6496..a25576f27e66 100644 --- a/drivers/usb/host/xhci-mem.c +++ b/drivers/usb/host/xhci-mem.c @@ -2334,7 +2334,8 @@ xhci_add_interrupter(struct xhci_hcd *xhci, struct xh= ci_interrupter *ir, } =20 struct xhci_interrupter * -xhci_create_secondary_interrupter(struct usb_hcd *hcd, unsigned int segs) +xhci_create_secondary_interrupter(struct usb_hcd *hcd, unsigned int segs, + u32 imod_interval) { struct xhci_hcd *xhci =3D hcd_to_xhci(hcd); struct xhci_interrupter *ir; @@ -2367,6 +2368,11 @@ xhci_create_secondary_interrupter(struct usb_hcd *hc= d, unsigned int segs) return NULL; } =20 + err =3D xhci_set_interrupter_moderation(ir, imod_interval); + if (err) + xhci_warn(xhci, "Failed to set interrupter %d moderation to %uns\n", + i, imod_interval); + xhci_dbg(xhci, "Add secondary interrupter %d, max interrupters %d\n", i, xhci->max_interrupters); =20 diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c index 37eb37b0affa..ed1bb7ed44b0 100644 --- a/drivers/usb/host/xhci.c +++ b/drivers/usb/host/xhci.c @@ -347,8 +347,8 @@ static int xhci_disable_interrupter(struct xhci_interru= pter *ir) } =20 /* interrupt moderation interval imod_interval in nanoseconds */ -static int xhci_set_interrupter_moderation(struct xhci_interrupter *ir, - u32 imod_interval) +int xhci_set_interrupter_moderation(struct xhci_interrupter *ir, + u32 imod_interval) { u32 imod; =20 diff --git a/drivers/usb/host/xhci.h b/drivers/usb/host/xhci.h index 30415158ed3c..324644165d93 100644 --- a/drivers/usb/host/xhci.h +++ b/drivers/usb/host/xhci.h @@ -1827,7 +1827,8 @@ struct xhci_container_ctx *xhci_alloc_container_ctx(s= truct xhci_hcd *xhci, void xhci_free_container_ctx(struct xhci_hcd *xhci, struct xhci_container_ctx *ctx); struct xhci_interrupter * -xhci_create_secondary_interrupter(struct usb_hcd *hcd, unsigned int segs); +xhci_create_secondary_interrupter(struct usb_hcd *hcd, unsigned int segs, + u32 imod_interval); void xhci_remove_secondary_interrupter(struct usb_hcd *hcd, struct xhci_interrupter *ir); =20 @@ -1867,6 +1868,8 @@ int xhci_alloc_tt_info(struct xhci_hcd *xhci, struct xhci_virt_device *virt_dev, struct usb_device *hdev, struct usb_tt *tt, gfp_t mem_flags); +int xhci_set_interrupter_moderation(struct xhci_interrupter *ir, + u32 imod_interval); =20 /* xHCI ring, segment, TRB, and TD functions */ dma_addr_t xhci_trb_virt_to_dma(struct xhci_segment *seg, union xhci_trb *= trb);