diff options
| author | Kiran Raparthy <kiran.kumar@linaro.org> | 2014-11-24 18:24:59 +0100 |
|---|---|---|
| committer | Felipe Balbi <balbi@ti.com> | 2014-11-25 15:47:05 +0100 |
| commit | b20f3f9e8e537ee25bfb86940903cba4b5abbde6 (patch) | |
| tree | e5ff093ca23c06881f6d469e9e0a76fd78c1bd96 /drivers/usb/phy/phy-ab8500-usb.c | |
| parent | usb: dwc2: remove early return on clock query (diff) | |
| download | linux-b20f3f9e8e537ee25bfb86940903cba4b5abbde6.tar.xz linux-b20f3f9e8e537ee25bfb86940903cba4b5abbde6.zip | |
usb: phy: Handle per-PHY event for connnect and disconnect events
When usb is connected and enumerated in device mode or when
usb is disconnected, call usb_phy_set_event() from phy drivers
to handle per-PHY event.
[ toddpoynor@google.com : Original patch in Android ]
Cc: Felipe Balbi <balbi@ti.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: linux-kernel@vger.kernel.org
Cc: linux-usb@vger.kernel.org
Cc: Android Kernel Team <kernel-team@android.com>
Cc: John Stultz <john.stultz@linaro.org>
Cc: Sumit Semwal <sumit.semwal@linaro.org>
Cc: Arve Hjønnevåg <arve@android.com>
Cc: Benoit Goby <benoit@android.com>
Cc: Todd Poynor <toddpoynor@google.com>
Signed-off-by: Kiran Raparthy <kiran.kumar@linaro.org>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Diffstat (limited to 'drivers/usb/phy/phy-ab8500-usb.c')
| -rw-r--r-- | drivers/usb/phy/phy-ab8500-usb.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/drivers/usb/phy/phy-ab8500-usb.c b/drivers/usb/phy/phy-ab8500-usb.c index 30c96f08308b..8cd7d193c2ca 100644 --- a/drivers/usb/phy/phy-ab8500-usb.c +++ b/drivers/usb/phy/phy-ab8500-usb.c @@ -445,6 +445,7 @@ static int ab9540_usb_link_status_update(struct ab8500_usb *ab, event = UX500_MUSB_NONE; /* Fallback to default B_IDLE as nothing is connected. */ ab->phy.otg->state = OTG_STATE_B_IDLE; + usb_phy_set_event(&ab->phy, USB_EVENT_NONE); break; case USB_LINK_ACA_RID_C_NM_9540: @@ -459,12 +460,14 @@ static int ab9540_usb_link_status_update(struct ab8500_usb *ab, ab8500_usb_peri_phy_en(ab); atomic_notifier_call_chain(&ab->phy.notifier, UX500_MUSB_PREPARE, &ab->vbus_draw); + usb_phy_set_event(&ab->phy, USB_EVENT_ENUMERATED); } if (ab->mode == USB_IDLE) { ab->mode = USB_PERIPHERAL; ab8500_usb_peri_phy_en(ab); atomic_notifier_call_chain(&ab->phy.notifier, UX500_MUSB_PREPARE, &ab->vbus_draw); + usb_phy_set_event(&ab->phy, USB_EVENT_ENUMERATED); } if (event != UX500_MUSB_RIDC) event = UX500_MUSB_VBUS; @@ -500,6 +503,7 @@ static int ab9540_usb_link_status_update(struct ab8500_usb *ab, event = UX500_MUSB_CHARGER; atomic_notifier_call_chain(&ab->phy.notifier, event, &ab->vbus_draw); + usb_phy_set_event(&ab->phy, USB_EVENT_CHARGER); break; case USB_LINK_PHYEN_NO_VBUS_NO_IDGND_9540: @@ -524,6 +528,7 @@ static int ab9540_usb_link_status_update(struct ab8500_usb *ab, ab->mode = USB_IDLE; ab->phy.otg->default_a = false; ab->vbus_draw = 0; + usb_phy_set_event(&ab->phy, USB_EVENT_NONE); } } break; @@ -583,6 +588,7 @@ static int ab8540_usb_link_status_update(struct ab8500_usb *ab, * is connected */ ab->phy.otg->state = OTG_STATE_B_IDLE; + usb_phy_set_event(&ab->phy, USB_EVENT_NONE); break; case USB_LINK_ACA_RID_C_NM_8540: @@ -596,6 +602,7 @@ static int ab8540_usb_link_status_update(struct ab8500_usb *ab, ab8500_usb_peri_phy_en(ab); atomic_notifier_call_chain(&ab->phy.notifier, UX500_MUSB_PREPARE, &ab->vbus_draw); + usb_phy_set_event(&ab->phy, USB_EVENT_ENUMERATED); } if (event != UX500_MUSB_RIDC) event = UX500_MUSB_VBUS; @@ -624,6 +631,7 @@ static int ab8540_usb_link_status_update(struct ab8500_usb *ab, event = UX500_MUSB_CHARGER; atomic_notifier_call_chain(&ab->phy.notifier, event, &ab->vbus_draw); + usb_phy_set_event(&ab->phy, USB_EVENT_CHARGER); break; case USB_LINK_PHYEN_NO_VBUS_NO_IDGND_8540: @@ -646,6 +654,7 @@ static int ab8540_usb_link_status_update(struct ab8500_usb *ab, ab->mode = USB_IDLE; ab->phy.otg->default_a = false; ab->vbus_draw = 0; + usb_phy_set_event(&ab->phy, USB_EVENT_NONE); } break; @@ -692,6 +701,7 @@ static int ab8505_usb_link_status_update(struct ab8500_usb *ab, * is connected */ ab->phy.otg->state = OTG_STATE_B_IDLE; + usb_phy_set_event(&ab->phy, USB_EVENT_NONE); break; case USB_LINK_ACA_RID_C_NM_8505: @@ -705,6 +715,7 @@ static int ab8505_usb_link_status_update(struct ab8500_usb *ab, ab8500_usb_peri_phy_en(ab); atomic_notifier_call_chain(&ab->phy.notifier, UX500_MUSB_PREPARE, &ab->vbus_draw); + usb_phy_set_event(&ab->phy, USB_EVENT_ENUMERATED); } if (event != UX500_MUSB_RIDC) event = UX500_MUSB_VBUS; @@ -732,6 +743,7 @@ static int ab8505_usb_link_status_update(struct ab8500_usb *ab, event = UX500_MUSB_CHARGER; atomic_notifier_call_chain(&ab->phy.notifier, event, &ab->vbus_draw); + usb_phy_set_event(&ab->phy, USB_EVENT_CHARGER); break; default: @@ -775,6 +787,7 @@ static int ab8500_usb_link_status_update(struct ab8500_usb *ab, event = UX500_MUSB_NONE; /* Fallback to default B_IDLE as nothing is connected */ ab->phy.otg->state = OTG_STATE_B_IDLE; + usb_phy_set_event(&ab->phy, USB_EVENT_NONE); break; case USB_LINK_ACA_RID_C_NM_8500: @@ -792,6 +805,7 @@ static int ab8500_usb_link_status_update(struct ab8500_usb *ab, ab8500_usb_peri_phy_en(ab); atomic_notifier_call_chain(&ab->phy.notifier, UX500_MUSB_PREPARE, &ab->vbus_draw); + usb_phy_set_event(&ab->phy, USB_EVENT_ENUMERATED); } if (event != UX500_MUSB_RIDC) event = UX500_MUSB_VBUS; @@ -818,6 +832,7 @@ static int ab8500_usb_link_status_update(struct ab8500_usb *ab, event = UX500_MUSB_CHARGER; atomic_notifier_call_chain(&ab->phy.notifier, event, &ab->vbus_draw); + usb_phy_set_event(&ab->phy, USB_EVENT_CHARGER); break; case USB_LINK_RESERVED_8500: |