diff options
Diffstat (limited to 'drivers/usb/host/xhci.c')
| -rw-r--r-- | drivers/usb/host/xhci.c | 59 |
1 files changed, 30 insertions, 29 deletions
diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c index 3e5d89bb6167..853b6188c891 100644 --- a/drivers/usb/host/xhci.c +++ b/drivers/usb/host/xhci.c @@ -542,7 +542,7 @@ static int xhci_all_ports_seen_u0(struct xhci_hcd *xhci) * device contexts (?), set up a command ring segment (or two?), create event * ring (one for now). */ -int xhci_init(struct usb_hcd *hcd) +static int xhci_init(struct usb_hcd *hcd) { struct xhci_hcd *xhci = hcd_to_xhci(hcd); int retval = 0; @@ -685,7 +685,7 @@ EXPORT_SYMBOL_GPL(xhci_run); * Disable device contexts, disable IRQs, and quiesce the HC. * Reset the HC, finish any completed transactions, and cleanup memory. */ -void xhci_stop(struct usb_hcd *hcd) +static void xhci_stop(struct usb_hcd *hcd) { u32 temp; struct xhci_hcd *xhci = hcd_to_xhci(hcd); @@ -746,7 +746,7 @@ void xhci_stop(struct usb_hcd *hcd) * * This will only ever be called with the main usb_hcd (the USB3 roothub). */ -void xhci_shutdown(struct usb_hcd *hcd) +static void xhci_shutdown(struct usb_hcd *hcd) { struct xhci_hcd *xhci = hcd_to_xhci(hcd); @@ -1179,7 +1179,7 @@ unsigned int xhci_get_endpoint_address(unsigned int ep_index) * endpoint index to create a bitmask. The slot context is bit 0, endpoint 0 is * bit 1, etc. */ -unsigned int xhci_get_endpoint_flag(struct usb_endpoint_descriptor *desc) +static unsigned int xhci_get_endpoint_flag(struct usb_endpoint_descriptor *desc) { return 1 << (xhci_get_endpoint_index(desc) + 1); } @@ -1188,7 +1188,7 @@ unsigned int xhci_get_endpoint_flag(struct usb_endpoint_descriptor *desc) * endpoint index to create a bitmask. The slot context is bit 0, endpoint 0 is * bit 1, etc. */ -unsigned int xhci_get_endpoint_flag_from_index(unsigned int ep_index) +static unsigned int xhci_get_endpoint_flag_from_index(unsigned int ep_index) { return 1 << (ep_index + 1); } @@ -1332,7 +1332,7 @@ command_cleanup: * non-error returns are a promise to giveback() the urb later * we drop ownership so next owner (or urb unlink) can get it */ -int xhci_urb_enqueue(struct usb_hcd *hcd, struct urb *urb, gfp_t mem_flags) +static int xhci_urb_enqueue(struct usb_hcd *hcd, struct urb *urb, gfp_t mem_flags) { struct xhci_hcd *xhci = hcd_to_xhci(hcd); unsigned long flags; @@ -1468,7 +1468,7 @@ free_priv: * Note that this function can be called in any context, or so says * usb_hcd_unlink_urb() */ -int xhci_urb_dequeue(struct usb_hcd *hcd, struct urb *urb, int status) +static int xhci_urb_dequeue(struct usb_hcd *hcd, struct urb *urb, int status) { unsigned long flags; int ret, i; @@ -1585,7 +1585,7 @@ err_giveback: * disabled, so there's no need for mutual exclusion to protect * the xhci->devs[slot_id] structure. */ -int xhci_drop_endpoint(struct usb_hcd *hcd, struct usb_device *udev, +static int xhci_drop_endpoint(struct usb_hcd *hcd, struct usb_device *udev, struct usb_host_endpoint *ep) { struct xhci_hcd *xhci; @@ -1668,7 +1668,7 @@ int xhci_drop_endpoint(struct usb_hcd *hcd, struct usb_device *udev, * configuration or alt setting is installed in the device, so there's no need * for mutual exclusion to protect the xhci->devs[slot_id] structure. */ -int xhci_add_endpoint(struct usb_hcd *hcd, struct usb_device *udev, +static int xhci_add_endpoint(struct usb_hcd *hcd, struct usb_device *udev, struct usb_host_endpoint *ep) { struct xhci_hcd *xhci; @@ -2339,7 +2339,7 @@ static unsigned int xhci_get_ss_bw_consumed(struct xhci_bw_info *ep_bw) } -void xhci_drop_ep_from_interval_table(struct xhci_hcd *xhci, +static void xhci_drop_ep_from_interval_table(struct xhci_hcd *xhci, struct xhci_bw_info *ep_bw, struct xhci_interval_bw_table *bw_table, struct usb_device *udev, @@ -2704,7 +2704,7 @@ static void xhci_check_bw_drop_ep_streams(struct xhci_hcd *xhci, * else should be touching the xhci->devs[slot_id] structure, so we * don't need to take the xhci->lock for manipulating that. */ -int xhci_check_bandwidth(struct usb_hcd *hcd, struct usb_device *udev) +static int xhci_check_bandwidth(struct usb_hcd *hcd, struct usb_device *udev) { int i; int ret = 0; @@ -2808,7 +2808,7 @@ command_cleanup: return ret; } -void xhci_reset_bandwidth(struct usb_hcd *hcd, struct usb_device *udev) +static void xhci_reset_bandwidth(struct usb_hcd *hcd, struct usb_device *udev) { struct xhci_hcd *xhci; struct xhci_virt_device *virt_dev; @@ -2934,7 +2934,7 @@ void xhci_cleanup_stalled_ring(struct xhci_hcd *xhci, * Context: in_interrupt */ -void xhci_endpoint_reset(struct usb_hcd *hcd, +static void xhci_endpoint_reset(struct usb_hcd *hcd, struct usb_host_endpoint *ep) { struct xhci_hcd *xhci; @@ -3110,7 +3110,7 @@ static u32 xhci_calculate_no_streams_bitmask(struct xhci_hcd *xhci, * hardware or endpoints claim they can't support the number of requested * stream IDs. */ -int xhci_alloc_streams(struct usb_hcd *hcd, struct usb_device *udev, +static int xhci_alloc_streams(struct usb_hcd *hcd, struct usb_device *udev, struct usb_host_endpoint **eps, unsigned int num_eps, unsigned int num_streams, gfp_t mem_flags) { @@ -3274,7 +3274,7 @@ cleanup: * Modify the endpoint context state, submit a configure endpoint command, * and free all endpoint rings for streams if that completes successfully. */ -int xhci_free_streams(struct usb_hcd *hcd, struct usb_device *udev, +static int xhci_free_streams(struct usb_hcd *hcd, struct usb_device *udev, struct usb_host_endpoint **eps, unsigned int num_eps, gfp_t mem_flags) { @@ -3406,7 +3406,8 @@ void xhci_free_device_endpoint_resources(struct xhci_hcd *xhci, * re-initialization during S3/S4. In this case, call xhci_alloc_dev() to * re-allocate the device. */ -int xhci_discover_or_reset_device(struct usb_hcd *hcd, struct usb_device *udev) +static int xhci_discover_or_reset_device(struct usb_hcd *hcd, + struct usb_device *udev) { int ret, i; unsigned long flags; @@ -3571,7 +3572,7 @@ command_cleanup: * disconnected, and all traffic has been stopped and the endpoints have been * disabled. Free any HC data structures associated with that device. */ -void xhci_free_dev(struct usb_hcd *hcd, struct usb_device *udev) +static void xhci_free_dev(struct usb_hcd *hcd, struct usb_device *udev) { struct xhci_hcd *xhci = hcd_to_xhci(hcd); struct xhci_virt_device *virt_dev; @@ -3960,12 +3961,12 @@ out: return ret; } -int xhci_address_device(struct usb_hcd *hcd, struct usb_device *udev) +static int xhci_address_device(struct usb_hcd *hcd, struct usb_device *udev) { return xhci_setup_device(hcd, udev, SETUP_CONTEXT_ADDRESS); } -int xhci_enable_device(struct usb_hcd *hcd, struct usb_device *udev) +static int xhci_enable_device(struct usb_hcd *hcd, struct usb_device *udev) { return xhci_setup_device(hcd, udev, SETUP_CONTEXT_ONLY); } @@ -4122,7 +4123,7 @@ static int xhci_calculate_usb2_hw_lpm_params(struct usb_device *udev) return PORT_BESLD(besld) | PORT_L1_TIMEOUT(l1) | PORT_HIRDM(hirdm); } -int xhci_set_usb2_hardware_lpm(struct usb_hcd *hcd, +static int xhci_set_usb2_hardware_lpm(struct usb_hcd *hcd, struct usb_device *udev, int enable) { struct xhci_hcd *xhci = hcd_to_xhci(hcd); @@ -4246,7 +4247,7 @@ static int xhci_check_usb2_port_capability(struct xhci_hcd *xhci, int port, return 0; } -int xhci_update_device(struct usb_hcd *hcd, struct usb_device *udev) +static int xhci_update_device(struct usb_hcd *hcd, struct usb_device *udev) { struct xhci_hcd *xhci = hcd_to_xhci(hcd); int portnum = udev->portnum - 1; @@ -4655,7 +4656,7 @@ static int calculate_max_exit_latency(struct usb_device *udev, } /* Returns the USB3 hub-encoded value for the U1/U2 timeout. */ -int xhci_enable_usb3_lpm_timeout(struct usb_hcd *hcd, +static int xhci_enable_usb3_lpm_timeout(struct usb_hcd *hcd, struct usb_device *udev, enum usb3_link_state state) { struct xhci_hcd *xhci; @@ -4686,7 +4687,7 @@ int xhci_enable_usb3_lpm_timeout(struct usb_hcd *hcd, return hub_encoded_timeout; } -int xhci_disable_usb3_lpm_timeout(struct usb_hcd *hcd, +static int xhci_disable_usb3_lpm_timeout(struct usb_hcd *hcd, struct usb_device *udev, enum usb3_link_state state) { struct xhci_hcd *xhci; @@ -4702,24 +4703,24 @@ int xhci_disable_usb3_lpm_timeout(struct usb_hcd *hcd, } #else /* CONFIG_PM */ -int xhci_set_usb2_hardware_lpm(struct usb_hcd *hcd, +static int xhci_set_usb2_hardware_lpm(struct usb_hcd *hcd, struct usb_device *udev, int enable) { return 0; } -int xhci_update_device(struct usb_hcd *hcd, struct usb_device *udev) +static int xhci_update_device(struct usb_hcd *hcd, struct usb_device *udev) { return 0; } -int xhci_enable_usb3_lpm_timeout(struct usb_hcd *hcd, +static int xhci_enable_usb3_lpm_timeout(struct usb_hcd *hcd, struct usb_device *udev, enum usb3_link_state state) { return USB3_LPM_DISABLED; } -int xhci_disable_usb3_lpm_timeout(struct usb_hcd *hcd, +static int xhci_disable_usb3_lpm_timeout(struct usb_hcd *hcd, struct usb_device *udev, enum usb3_link_state state) { return 0; @@ -4731,7 +4732,7 @@ int xhci_disable_usb3_lpm_timeout(struct usb_hcd *hcd, /* Once a hub descriptor is fetched for a device, we need to update the xHC's * internal data structures for the device. */ -int xhci_update_hub_device(struct usb_hcd *hcd, struct usb_device *hdev, +static int xhci_update_hub_device(struct usb_hcd *hcd, struct usb_device *hdev, struct usb_tt *tt, gfp_t mem_flags) { struct xhci_hcd *xhci = hcd_to_xhci(hcd); @@ -4837,7 +4838,7 @@ int xhci_update_hub_device(struct usb_hcd *hcd, struct usb_device *hdev, return ret; } -int xhci_get_frame(struct usb_hcd *hcd) +static int xhci_get_frame(struct usb_hcd *hcd) { struct xhci_hcd *xhci = hcd_to_xhci(hcd); /* EHCI mods by the periodic size. Why? */ |