renesas_usbhs driver is using mod_host/mod_gadget shared irq handler.
But HCD_FLAG_SAW_IRQ bit control is needed like usb_hcd_irq()
if it is mod_host.
Without this patch, the driver will stop when USB hub was disconnected
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@xxxxxxxxxxx>
---
drivers/usb/renesas_usbhs/mod.c | 3 +++
drivers/usb/renesas_usbhs/mod.h | 3 +++
drivers/usb/renesas_usbhs/mod_host.c | 24 +++++++++++++++++++++++-
3 files changed, 29 insertions(+), 1 deletions(-)
diff --git a/drivers/usb/renesas_usbhs/mod.c b/drivers/usb/renesas_usbhs/mod.c
index 1b97fb1..26ce9df 100644
--- a/drivers/usb/renesas_usbhs/mod.c
+++ b/drivers/usb/renesas_usbhs/mod.c
@@ -293,6 +293,9 @@ static irqreturn_t usbhs_interrupt(int irq, void *data)
if (irq_state.intsts1 & SACK)
usbhs_mod_call(priv, irq_sack, priv, &irq_state);
+ /* common */
+ usbhs_mod_call(priv, irq_common, priv);
+
return IRQ_HANDLED;
}
diff --git a/drivers/usb/renesas_usbhs/mod.h b/drivers/usb/renesas_usbhs/mod.h
index 6c68755..b6b0989 100644
--- a/drivers/usb/renesas_usbhs/mod.h
+++ b/drivers/usb/renesas_usbhs/mod.h
@@ -83,6 +83,9 @@ struct usbhs_mod {
int (*irq_sack)(struct usbhs_priv *priv,
struct usbhs_irq_state *irq_state);
+ /* common */
+ int (*irq_common)(struct usbhs_priv *priv);
+
struct usbhs_priv *priv;
};
diff --git a/drivers/usb/renesas_usbhs/mod_host.c b/drivers/usb/renesas_usbhs/mod_host.c
index c394047..d8a7e97 100644
--- a/drivers/usb/renesas_usbhs/mod_host.c
+++ b/drivers/usb/renesas_usbhs/mod_host.c
@@ -799,11 +799,14 @@ static int usbhsh_urb_dequeue(struct usb_hcd *hcd, struct urb *urb, int status)
{
struct usbhsh_hpriv *hpriv = usbhsh_hcd_to_hpriv(hcd);
struct usbhsh_request *ureq = usbhsh_urb_to_ureq(urb);
+ int ret;
+
+ ret = usb_hcd_check_unlink_urb(hcd, urb, status);
if (ureq)
usbhsh_ureq_free(hpriv, ureq);
- return 0;
+ return ret;
}
static void usbhsh_endpoint_disable(struct usb_hcd *hcd,
@@ -1116,6 +1119,24 @@ static int usbhsh_irq_setup_err(struct usbhs_priv *priv,
return 0;
}
+static int usbhsh_irq_common(struct usbhs_priv *priv)
+{
+ struct usbhsh_hpriv *hpriv = usbhsh_priv_to_hpriv(priv);
+ struct usb_hcd *hcd = usbhsh_hpriv_to_hcd(hpriv);
+
+ /*
+ * renesas_usbhs driver is not using usb host
+ * common driver. so, this flags-setting is needed by itself.
+ * see
+ * usb_hcd_check_unlink_urb()
+ * usb_hcd_irq()
+ */
+
+ set_bit(HCD_FLAG_SAW_IRQ, &hcd->flags);
+
+ return 0;
+}
+
/*
* module start/stop
*/
@@ -1205,6 +1226,7 @@ static int usbhsh_start(struct usbhs_priv *priv)
mod->irq_dtch = usbhsh_irq_dtch;
mod->irq_sack = usbhsh_irq_setup_ack;
mod->irq_sign = usbhsh_irq_setup_err;
+ mod->irq_common = usbhsh_irq_common;
usbhs_irq_callback_update(priv, mod);
dev_dbg(dev, "start host\n");
--
1.7.5.4
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