patches/0229-usb-gadget-udc-renesas_usb3-move-pm_runtime_-en-dis-.patch

From e47755f19d73ee0f9b76b6aab46148b36eaf947e Mon Sep 17 00:00:00 2001
From: Kazuya Mizuguchi <kazuya.mizuguchi.ks@renesas.com>
Date: Fri, 29 Sep 2017 20:44:59 +0900
Subject: [PATCH 0229/1795] usb: gadget: udc: renesas_usb3: move
 pm_runtime_{en,dis}able()

This patch moves pm_runtime_{en,dis}able() call timing to
renesas_usb3_{probe,remove}() for supporting PM_SLEEP feature in
the future.

Signed-off-by: Kazuya Mizuguchi <kazuya.mizuguchi.ks@renesas.com>
[shimoda: Revise the commit log]
Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>

(cherry picked from commit cf06df3fae286b795c1abf59c4b493ebf30a7a9f)
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
---
 drivers/usb/gadget/udc/renesas_usb3.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/usb/gadget/udc/renesas_usb3.c b/drivers/usb/gadget/udc/renesas_usb3.c
index 5f872c36f2d6..b3386fc82b60 100644
--- a/drivers/usb/gadget/udc/renesas_usb3.c
+++ b/drivers/usb/gadget/udc/renesas_usb3.c
@@ -2250,7 +2250,6 @@ static int renesas_usb3_start(struct usb_gadget *gadget,
 	/* hook up the driver */
 	usb3->driver = driver;
 
-	pm_runtime_enable(usb3_to_dev(usb3));
 	pm_runtime_get_sync(usb3_to_dev(usb3));
 
 	renesas_usb3_init_controller(usb3);
@@ -2268,7 +2267,6 @@ static int renesas_usb3_stop(struct usb_gadget *gadget)
 	renesas_usb3_stop_controller(usb3);
 
 	pm_runtime_put(usb3_to_dev(usb3));
-	pm_runtime_disable(usb3_to_dev(usb3));
 
 	return 0;
 }
@@ -2421,6 +2419,7 @@ static int renesas_usb3_remove(struct platform_device *pdev)
 	renesas_usb3_dma_free_prd(usb3, &pdev->dev);
 
 	__renesas_usb3_ep_free_request(usb3->ep0_req);
+	pm_runtime_disable(usb3_to_dev(usb3));
 
 	return 0;
 }
@@ -2656,6 +2655,7 @@ static int renesas_usb3_probe(struct platform_device *pdev)
 	renesas_usb3_debugfs_init(usb3, &pdev->dev);
 
 	dev_info(&pdev->dev, "probed\n");
+	pm_runtime_enable(usb3_to_dev(usb3));
 
 	return 0;
 
-- 
2.19.0