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path: root/drivers/usb/mtu3/mtu3_gadget_ep0.c
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Diffstat (limited to 'drivers/usb/mtu3/mtu3_gadget_ep0.c')
-rw-r--r--drivers/usb/mtu3/mtu3_gadget_ep0.c14
1 files changed, 9 insertions, 5 deletions
diff --git a/drivers/usb/mtu3/mtu3_gadget_ep0.c b/drivers/usb/mtu3/mtu3_gadget_ep0.c
index 25216e79cd6e..7cb7ac980446 100644
--- a/drivers/usb/mtu3/mtu3_gadget_ep0.c
+++ b/drivers/usb/mtu3/mtu3_gadget_ep0.c
@@ -336,9 +336,9 @@ static int ep0_handle_feature_dev(struct mtu3 *mtu,
lpc = mtu3_readl(mbase, U3D_LINK_POWER_CONTROL);
if (set)
- lpc |= SW_U1_ACCEPT_ENABLE;
+ lpc |= SW_U1_REQUEST_ENABLE;
else
- lpc &= ~SW_U1_ACCEPT_ENABLE;
+ lpc &= ~SW_U1_REQUEST_ENABLE;
mtu3_writel(mbase, U3D_LINK_POWER_CONTROL, lpc);
mtu->u1_enable = !!set;
@@ -351,9 +351,9 @@ static int ep0_handle_feature_dev(struct mtu3 *mtu,
lpc = mtu3_readl(mbase, U3D_LINK_POWER_CONTROL);
if (set)
- lpc |= SW_U2_ACCEPT_ENABLE;
+ lpc |= SW_U2_REQUEST_ENABLE;
else
- lpc &= ~SW_U2_ACCEPT_ENABLE;
+ lpc &= ~SW_U2_REQUEST_ENABLE;
mtu3_writel(mbase, U3D_LINK_POWER_CONTROL, lpc);
mtu->u2_enable = !!set;
@@ -692,9 +692,13 @@ irqreturn_t mtu3_ep0_isr(struct mtu3 *mtu)
mtu3_writel(mbase, U3D_EPISR, int_status); /* W1C */
/* only handle ep0's */
- if (!(int_status & EP0ISR))
+ if (!(int_status & (EP0ISR | SETUPENDISR)))
return IRQ_NONE;
+ /* abort current SETUP, and process new one */
+ if (int_status & SETUPENDISR)
+ mtu->ep0_state = MU3D_EP0_STATE_SETUP;
+
csr = mtu3_readl(mbase, U3D_EP0CSR);
dev_dbg(mtu->dev, "%s csr=0x%x\n", __func__, csr);