Hi Sergei, On Fri, May 18, 2012 at 16:57:41, Sergei Shtylyov wrote: > Hello. > > On 18-05-2012 14:07, Manjunathappa, Prakash wrote: > > > I do not know how putting delay helped MSC device detection. > > Can you please check if MUSB is coming up in "b_idle" state(by > > $cat /sys/devices/platform/musb-da8xx/musb-hdrc/mode)? > > State should move to b_peripheral on connecting gadget cable. > > If you connect MSC device via mini-A connector, state should change to "a_host". > > OTG timer is responsible for above state changes, can you please check if below > > changes are present? > > diff --git a/drivers/usb/musb/da8xx.c b/drivers/usb/musb/da8xx.c index 4da7492..a1a692e 100644 > > --- a/drivers/usb/musb/da8xx.c > > +++ b/drivers/usb/musb/da8xx.c > > @@ -76,6 +76,7 @@ > > #define DA8XX_INTR_TX_SHIFT 0 > > #define DA8XX_INTR_TX_MASK (DA8XX_USB_TX_EP_MASK<< DA8XX_INTR_TX_SHIFT) > > > > +#define A_WAIT_BCON_TIMEOUT 1100 /* in ms */ > > #define DA8XX_MENTOR_CORE_OFFSET 0x400 > > > > #define CFGCHIP2 IO_ADDRESS(DA8XX_SYSCFG0_BASE + DA8XX_CFGCHIP2_REG) > > @@ -443,6 +444,7 @@ static int da8xx_musb_init(struct musb *musb) > > rev, __raw_readl(CFGCHIP2), > > musb_readb(reg_base, DA8XX_USB_CTRL_REG)); > > > > + musb->a_wait_bcon = A_WAIT_BCON_TIMEOUT; > > musb->isr = da8xx_musb_interrupt; > > return 0; > > fail: > > This change shouldn't be needed as musb->a_wait_bcon is set in > musb_core.c::allocate_instance(). > Yes, It worked even without above change. Thanks, Prakash -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html