From 0b3eba442d4810df4bdd46d6c3e189c9e7760137 Mon Sep 17 00:00:00 2001 From: Daniel Mack Date: Wed, 10 Apr 2013 21:55:42 +0200 Subject: usb: musb: factor some host-specific functions In particular, this introduces musb_host_resume_root_hub()and musb_host_poke_root_hub() which will be stubbed out later. Signed-off-by: Daniel Mack Acked-by: Peter Korsgaard Signed-off-by: Felipe Balbi --- drivers/usb/musb/musb_core.c | 18 +++++++----------- drivers/usb/musb/musb_host.c | 15 ++++++++++++++- drivers/usb/musb/musb_host.h | 3 +++ 3 files changed, 24 insertions(+), 12 deletions(-) (limited to 'drivers/usb/musb') diff --git a/drivers/usb/musb/musb_core.c b/drivers/usb/musb/musb_core.c index fc4d97e2bc3..bd14fed44af 100644 --- a/drivers/usb/musb/musb_core.c +++ b/drivers/usb/musb/musb_core.c @@ -483,7 +483,7 @@ static irqreturn_t musb_stage0_irq(struct musb *musb, u8 int_usb, musb->xceiv->state = OTG_STATE_A_HOST; musb->is_active = 1; - usb_hcd_resume_root_hub(musb_to_hcd(musb)); + musb_host_resume_root_hub(musb); break; case OTG_STATE_B_WAIT_ACON: musb->xceiv->state = OTG_STATE_B_PERIPHERAL; @@ -500,7 +500,7 @@ static irqreturn_t musb_stage0_irq(struct musb *musb, u8 int_usb, case OTG_STATE_A_SUSPEND: /* possibly DISCONNECT is upcoming */ musb->xceiv->state = OTG_STATE_A_HOST; - usb_hcd_resume_root_hub(musb_to_hcd(musb)); + musb_host_resume_root_hub(musb); break; case OTG_STATE_B_WAIT_ACON: case OTG_STATE_B_PERIPHERAL: @@ -642,7 +642,7 @@ static irqreturn_t musb_stage0_irq(struct musb *musb, u8 int_usb, * undesired detour through A_WAIT_BCON. */ musb_hnp_stop(musb); - usb_hcd_resume_root_hub(musb_to_hcd(musb)); + musb_host_resume_root_hub(musb); musb_root_disconnect(musb); musb_platform_try_idle(musb, jiffies + msecs_to_jiffies(musb->a_wait_bcon @@ -732,17 +732,13 @@ b_host: if ((devctl & MUSB_DEVCTL_VBUS) == (3 << MUSB_DEVCTL_VBUS_SHIFT)) { musb->xceiv->state = OTG_STATE_A_HOST; - hcd->self.is_b_host = 0; + if (hcd) + hcd->self.is_b_host = 0; } break; } - /* poke the root hub */ - MUSB_HST_MODE(musb); - if (hcd->status_urb) - usb_hcd_poll_rh_status(hcd); - else - usb_hcd_resume_root_hub(hcd); + musb_host_poke_root_hub(musb); dev_dbg(musb->controller, "CONNECT (%s) devctl %02x\n", usb_otg_state_string(musb->xceiv->state), devctl); @@ -757,7 +753,7 @@ b_host: switch (musb->xceiv->state) { case OTG_STATE_A_HOST: case OTG_STATE_A_SUSPEND: - usb_hcd_resume_root_hub(musb_to_hcd(musb)); + musb_host_resume_root_hub(musb); musb_root_disconnect(musb); if (musb->a_wait_bcon != 0) musb_platform_try_idle(musb, jiffies diff --git a/drivers/usb/musb/musb_host.c b/drivers/usb/musb/musb_host.c index 8914dec49f0..8b977d23ddf 100644 --- a/drivers/usb/musb/musb_host.c +++ b/drivers/usb/musb/musb_host.c @@ -46,7 +46,6 @@ #include "musb_core.h" #include "musb_host.h" - /* MUSB HOST status 22-mar-2006 * * - There's still lots of partial code duplication for fault paths, so @@ -2608,3 +2607,17 @@ const struct hc_driver musb_hc_driver = { /* .start_port_reset = NULL, */ /* .hub_irq_enable = NULL, */ }; + +void musb_host_resume_root_hub(struct musb *musb) +{ + usb_hcd_resume_root_hub(musb_to_hcd(musb)); +} + +void musb_host_poke_root_hub(struct musb *musb) +{ + MUSB_HST_MODE(musb); + if (musb_to_hcd(musb)->status_urb) + usb_hcd_poll_rh_status(musb_to_hcd(musb)); + else + usb_hcd_resume_root_hub(musb_to_hcd(musb)); +} diff --git a/drivers/usb/musb/musb_host.h b/drivers/usb/musb/musb_host.h index 967026986de..c63e5853df0 100644 --- a/drivers/usb/musb/musb_host.h +++ b/drivers/usb/musb/musb_host.h @@ -89,6 +89,9 @@ extern void musb_host_tx(struct musb *, u8); extern void musb_host_rx(struct musb *, u8); extern void musb_root_disconnect(struct musb *musb); +extern void musb_host_resume_root_hub(struct musb *musb); +extern void musb_host_poke_root_hub(struct musb *musb); + struct usb_hcd; extern int musb_hub_status_data(struct usb_hcd *hcd, char *buf); -- cgit v1.2.3-18-g5258