linux-kernel - [PATCH 7/9] usb: cdns3: Improvement: removed 'goto not

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Date:   Wed, 1 Jul 2020 08:20:02 +0200
From:   Pawel Laszczak <pawell@...ence.com>
To:     <balbi@...nel.org>, <gregkh@...uxfoundation.org>,
        <linux-usb@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <rogerq@...com>, <peter.chen@....com>
CC:     <dan.carpenter@...cle.com>, <heikki.krogerus@...ux.intel.com>,
        <colin.king@...onical.com>, <jpawar@...ence.com>,
        <ben.dooks@...ethink.co.uk>, <kurahul@...ence.com>,
        <sparmar@...ence.com>, Pawel Laszczak <pawell@...ence.com>
Subject: [PATCH 7/9] usb: cdns3: Improvement: removed 'goto not_otg'

Patch removes 'goto not_otg' instruction from
 cdnsp_hw_role_state_machine function.

Signed-off-by: Pawel Laszczak <pawell@...ence.com>
---
 drivers/usb/cdns3/core.c | 20 +++++++++-----------
 1 file changed, 9 insertions(+), 11 deletions(-)

diff --git a/drivers/usb/cdns3/core.c b/drivers/usb/cdns3/core.c
index c3dac945f63d..591186987245 100644
--- a/drivers/usb/cdns3/core.c
+++ b/drivers/usb/cdns3/core.c
@@ -191,11 +191,17 @@ static int cdns3_core_init_role(struct cdns3 *cdns)
  */
 static enum usb_role cdns3_hw_role_state_machine(struct cdns3 *cdns)
 {
-	enum usb_role role;
+	enum usb_role role = USB_ROLE_NONE;
 	int id, vbus;
 
-	if (cdns->dr_mode != USB_DR_MODE_OTG)
-		goto not_otg;
+	if (cdns->dr_mode != USB_DR_MODE_OTG) {
+		if (cdns3_is_host(cdns))
+			role = USB_ROLE_HOST;
+		if (cdns3_is_device(cdns))
+			role = USB_ROLE_DEVICE;
+
+		return role;
+	}
 
 	id = cdns3_get_id(cdns);
 	vbus = cdns3_get_vbus(cdns);
@@ -232,14 +238,6 @@ static enum usb_role cdns3_hw_role_state_machine(struct cdns3 *cdns)
 	dev_dbg(cdns->dev, "role %d -> %d\n", cdns->role, role);
 
 	return role;
-
-not_otg:
-	if (cdns3_is_host(cdns))
-		role = USB_ROLE_HOST;
-	if (cdns3_is_device(cdns))
-		role = USB_ROLE_DEVICE;
-
-	return role;
 }
 
 static int cdns3_idle_role_start(struct cdns3 *cdns)
-- 
2.17.1