Hi
don't know if you have already fixed this, anyway,
i finally solved with this patch,
iff --git a/drivers/usb/musb/da8xx.c
b/../linux-3.17/drivers/usb/musb/da8xx.c
index 4e13fe2..058775e 100644
--- a/drivers/usb/musb/da8xx.c
+++ b/../linux-3.17/drivers/usb/musb/da8xx.c
@@ -184,11 +184,6 @@ static void da8xx_musb_set_vbus(struct musb *musb,
int is_on)
#define POLL_SECONDS 2
static struct timer_list otg_workaround;
-/*
- * angelo,
- * usb host fix must triggered from inside interrupt
- */
-static int reset_fix = 0;
static void otg_timer(unsigned long _musb)
{
@@ -254,33 +249,6 @@ static void otg_timer(unsigned long _musb)
mod_timer(&otg_workaround, jiffies + POLL_SECONDS * HZ);
else
musb->xceiv->state = OTG_STATE_A_IDLE;
-
- if (reset_fix) {
- u32 cfgchip2;
-
- reset_fix = 0;
-
- MUSB_HST_MODE(musb);
- musb->xceiv->state = OTG_STATE_A_WAIT_VRISE;
-
- cfgchip2 = __raw_readl(
- DA8XX_SYSCFG0_VIRT(DA8XX_CFGCHIP2_REG));
-
- /*
- * angelo, fix step 2
- *
- * after have set force_host in a first step,
- * we need now to set as OTG and re-enable
- * bus comparators so that DRVVBUS interrupt
- * can be triggered at 5V presence
- */
- cfgchip2 &= ~CFGCHIP2_OTGMODE;
- cfgchip2 |= (CFGCHIP2_SESENDEN | CFGCHIP2_VBDTCTEN);
-
- __raw_writel(cfgchip2,
- DA8XX_SYSCFG0_VIRT(DA8XX_CFGCHIP2_REG));
- }
-
break;
default:
break;
@@ -388,25 +356,6 @@ static irqreturn_t da8xx_musb_interrupt(int irq,
void *hci)
otg->default_a = 0;
musb->xceiv->state = OTG_STATE_B_IDLE;
portstate(musb->port1_status &= ~USB_PORT_STAT_POWER);
-
- if (devctl == 0x98) {
- u32 cfgchip2;
- /*
- * angelo, fix, part 2
- * - set host mode only
- * - override vbus / id comparators
- */
- cfgchip2 = __raw_readl(
- DA8XX_SYSCFG0_VIRT(DA8XX_CFGCHIP2_REG));
-
- cfgchip2 |= CFGCHIP2_FORCE_HOST;
- cfgchip2 &= ~(CFGCHIP2_SESENDEN | CFGCHIP2_VBDTCTEN);
-
- __raw_writel(cfgchip2,
- DA8XX_SYSCFG0_VIRT(DA8XX_CFGCHIP2_REG));
-
- reset_fix = 1;
- }
}
dev_dbg(musb->controller, "VBUS %s (%s)%s, devctl %02x\n",
In this way i can have the VBUS interrupt to happen again at next
reinsertion.
Regards
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