When creating a secondary interrupter, add an argument for XHCI sideband clients to specify an interrupt moderation value for the interrupter context.
Signed-off-by: Wesley Cheng quic_wcheng@quicinc.com --- drivers/usb/host/xhci-mem.c | 4 +++- drivers/usb/host/xhci-sideband.c | 4 ++-- drivers/usb/host/xhci.c | 2 +- drivers/usb/host/xhci.h | 5 ++++- include/linux/usb/xhci-sideband.h | 2 +- 5 files changed, 11 insertions(+), 6 deletions(-)
diff --git a/drivers/usb/host/xhci-mem.c b/drivers/usb/host/xhci-mem.c index 3100219d6496..2ca5937b73f4 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 xhci_interrupter *ir, }
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 = hcd_to_xhci(hcd); struct xhci_interrupter *ir; @@ -2367,6 +2368,7 @@ xhci_create_secondary_interrupter(struct usb_hcd *hcd, unsigned int segs) return NULL; }
+ xhci_set_interrupter_moderation(ir, imod_interval); xhci_dbg(xhci, "Add secondary interrupter %d, max interrupters %d\n", i, xhci->max_interrupters);
diff --git a/drivers/usb/host/xhci-sideband.c b/drivers/usb/host/xhci-sideband.c index 281ab4c1fc42..f06bb49ede4d 100644 --- a/drivers/usb/host/xhci-sideband.c +++ b/drivers/usb/host/xhci-sideband.c @@ -259,7 +259,7 @@ EXPORT_SYMBOL_GPL(xhci_sideband_get_event_buffer); */ int xhci_sideband_create_interrupter(struct xhci_sideband *sb, int num_seg, - bool ip_autoclear) + bool ip_autoclear, u32 imod_interval) { int ret = 0;
@@ -273,7 +273,7 @@ xhci_sideband_create_interrupter(struct xhci_sideband *sb, int num_seg, }
sb->ir = xhci_create_secondary_interrupter(xhci_to_hcd(sb->xhci), - num_seg); + num_seg, imod_interval); if (!sb->ir) { ret = -ENOMEM; goto out; diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c index 3a051ed32907..0b22342bbff1 100644 --- a/drivers/usb/host/xhci.c +++ b/drivers/usb/host/xhci.c @@ -347,7 +347,7 @@ static int xhci_disable_interrupter(struct xhci_interrupter *ir) }
/* interrupt moderation interval imod_interval in nanoseconds */ -static int xhci_set_interrupter_moderation(struct xhci_interrupter *ir, +int xhci_set_interrupter_moderation(struct xhci_interrupter *ir, u32 imod_interval) { u32 imod; diff --git a/drivers/usb/host/xhci.h b/drivers/usb/host/xhci.h index 58236b435e1c..a2db8250b1fd 100644 --- a/drivers/usb/host/xhci.h +++ b/drivers/usb/host/xhci.h @@ -1832,7 +1832,8 @@ struct xhci_container_ctx *xhci_alloc_container_ctx(struct 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);
@@ -1872,6 +1873,8 @@ 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);
/* xHCI ring, segment, TRB, and TD functions */ dma_addr_t xhci_trb_virt_to_dma(struct xhci_segment *seg, union xhci_trb *trb); diff --git a/include/linux/usb/xhci-sideband.h b/include/linux/usb/xhci-sideband.h index a03f0958ebed..dd4b1a27c08d 100644 --- a/include/linux/usb/xhci-sideband.h +++ b/include/linux/usb/xhci-sideband.h @@ -56,7 +56,7 @@ xhci_sideband_get_event_buffer(struct xhci_sideband *sb);
int xhci_sideband_create_interrupter(struct xhci_sideband *sb, int num_seg, - bool ip_autoclear); + bool ip_autoclear, u32 imod_interval);
void xhci_sideband_remove_interrupter(struct xhci_sideband *sb);