diff options
| author | Hema HK <hemahk@ti.com> | 2011-04-13 11:31:57 +0100 |
|---|---|---|
| committer | Andy Green <andy.green@linaro.org> | 2011-04-13 11:31:57 +0100 |
| commit | 6491e8427776998ffdc8a4c56fea3a725004c15d (patch) | |
| tree | f899bcdcaee8ecc492628821b774c4926d0f24f0 | |
| parent | 26ff925f44c72d44ba4256612a9a69537eb5e69c (diff) | |
Subject: [PATCH 3/3] usb: musb: Moving the Vbus enable function call from to workqueue.
Enable VBUS function can involve the I2C transfers which can't be
called from interrupt context. Moving the function call to work queqe.
Signed-off-by: Hema HK <hemahk@ti.com>
| -rw-r--r-- | drivers/usb/musb/musb_core.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/usb/musb/musb_core.c b/drivers/usb/musb/musb_core.c index 7d0fea33fa6..c2915133291 100644 --- a/drivers/usb/musb/musb_core.c +++ b/drivers/usb/musb/musb_core.c @@ -555,7 +555,6 @@ static irqreturn_t musb_stage0_irq(struct musb *musb, u8 int_usb, musb->ep0_stage = MUSB_EP0_START; musb->xceiv->state = OTG_STATE_A_IDLE; MUSB_HST_MODE(musb); - musb_platform_set_vbus(musb, 1); handled = IRQ_HANDLED; } @@ -1845,6 +1844,9 @@ static void musb_irq_work(struct work_struct *data) struct musb *musb = container_of(data, struct musb, irq_work); static int old_state; + if(musb->xceiv->state = OTG_STATE_A_IDLE) + musb_platform_set_vbus(musb, 1); + if (musb->xceiv->state != old_state) { old_state = musb->xceiv->state; sysfs_notify(&musb->controller->kobj, NULL, "mode"); |