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().
Thanks,
Prakash
WBR, Sergei
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