* Russell King - ARM Linux | 2011-01-09 12:54:21 [+0000]: > >If you have a patch, I'll test it - it's very easy to reproduce here. >Last night, it was at the point of having to restart minicom almost every >time I rebooted the OMAP4 board because at some point during the uboot >blurb the USB serial port went awol. I have here like 10 usb-to-serial adapters but all of them have pl2303 which does not even show the "reloaded" symptom. The patch here changes from ATL triggered interrupt into an SOF interrupt which could fix your problem if it is what the errata describes. diff --git a/drivers/usb/host/isp1760-hcd.c b/drivers/usb/host/isp1760-hcd.c index bdba8c5..f8f8a50 100644 --- a/drivers/usb/host/isp1760-hcd.c +++ b/drivers/usb/host/isp1760-hcd.c @@ -1770,7 +1770,7 @@ static irqreturn_t isp1760_irq(struct usb_hcd *usb_hcd) goto leave; isp1760_writel(imask, usb_hcd->regs + HC_INTERRUPT_REG); - if (imask & HC_ATL_INT) + if (imask & (HC_ATL_INT | HC_SOT_INT)) do_atl_int(usb_hcd); if (imask & HC_INTL_INT) diff --git a/drivers/usb/host/isp1760-hcd.h b/drivers/usb/host/isp1760-hcd.h index 6931ef5..0d6023b 100644 --- a/drivers/usb/host/isp1760-hcd.h +++ b/drivers/usb/host/isp1760-hcd.h @@ -68,7 +68,7 @@ void deinit_kmem_cache(void); #define HC_INTERRUPT_REG 0x310 #define HC_INTERRUPT_ENABLE 0x314 -#define INTERRUPT_ENABLE_MASK (HC_INTL_INT | HC_ATL_INT | HC_EOT_INT) +#define INTERRUPT_ENABLE_MASK (HC_INTL_INT | HC_SOT_INT | HC_EOT_INT) #define HC_ISO_INT (1 << 9) #define HC_ATL_INT (1 << 8) Sebastian -- 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
