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| author | Mathias Nyman <mathias.nyman@linux.intel.com> | 2024-09-05 17:33:00 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2024-09-05 17:39:23 +0300 |
| commit | 9c0c11bb87b09a8b7cdc21ca1090e7b36abe9d09 (patch) | |
| tree | a2e6bfeab1cdb21d41a0a28055a10b51144a4427 /drivers/usb/host/xhci.h | |
| parent | f81dfa3b57c624c56f2bff171c431bc7f5b558f2 (diff) | |
| download | linux-9c0c11bb87b09a8b7cdc21ca1090e7b36abe9d09.tar.xz | |
xhci: support setting interrupt moderation IMOD for secondary interrupters
Allow creators of seconday interrupters to specify the interrupt
moderation interval value in nanoseconds when creating the interrupter.
If not sure what value to use then use the xhci driver default
xhci->imod_interval
Suggested-by: Wesley Cheng <quic_wcheng@quicinc.com>
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Link: https://lore.kernel.org/r/20240905143300.1959279-13-mathias.nyman@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb/host/xhci.h')
| -rw-r--r-- | drivers/usb/host/xhci.h | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/usb/host/xhci.h b/drivers/usb/host/xhci.h index d41523c9b15c..1e50ebbe9514 100644 --- a/drivers/usb/host/xhci.h +++ b/drivers/usb/host/xhci.h @@ -1826,7 +1826,8 @@ 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); @@ -1866,6 +1867,8 @@ 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); |