linux-kernel - [PATCH 07/12] usb: sunxi: Uses the resource-managed extcon API when registering extcon notifier

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Date:   Wed, 30 Nov 2016 14:57:35 +0900
From:   Chanwoo Choi <cw00.choi@...sung.com>
To:     balbi@...nel.org, gregkh@...uxfoundation.org, kishon@...com,
        sre@...nel.org
Cc:     Peter.Chen@....com, wens@...e.org,
        yoshihiro.shimoda.uh@...esas.com, maxime.ripard@...e-electrons.com,
        b-liu@...com, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-pm@...r.kernel.org,
        linux-usb@...r.kernel.org, linux-omap@...r.kernel.org,
        linux-renesas-soc@...r.kernel.org, cw00.choi@...sung.com,
        chanwoo@...nel.org
Subject: [PATCH 07/12] usb: sunxi: Uses the resource-managed extcon API when
 registering extcon notifier

This patch just uses the resource-managed extcon API when registering
the extcon notifier.

Signed-off-by: Chanwoo Choi <cw00.choi@...sung.com>
---
 drivers/usb/musb/sunxi.c | 12 +++---------
 1 file changed, 3 insertions(+), 9 deletions(-)

diff --git a/drivers/usb/musb/sunxi.c b/drivers/usb/musb/sunxi.c
index 1408245be18e..4b531551e49d 100644
--- a/drivers/usb/musb/sunxi.c
+++ b/drivers/usb/musb/sunxi.c
@@ -261,14 +261,14 @@ static int sunxi_musb_init(struct musb *musb)
 	writeb(SUNXI_MUSB_VEND0_PIO_MODE, musb->mregs + SUNXI_MUSB_VEND0);
 
 	/* Register notifier before calling phy_init() */
-	ret = extcon_register_notifier(glue->extcon, EXTCON_USB_HOST,
-				       &glue->host_nb);
+	ret = devm_extcon_register_notifier(glue->dev, glue->extcon,
+					EXTCON_USB_HOST, &glue->host_nb);
 	if (ret)
 		goto error_reset_assert;
 
 	ret = phy_init(glue->phy);
 	if (ret)
-		goto error_unregister_notifier;
+		goto error_reset_assert;
 
 	musb->isr = sunxi_musb_interrupt;
 
@@ -277,9 +277,6 @@ static int sunxi_musb_init(struct musb *musb)
 
 	return 0;
 
-error_unregister_notifier:
-	extcon_unregister_notifier(glue->extcon, EXTCON_USB_HOST,
-				   &glue->host_nb);
 error_reset_assert:
 	if (test_bit(SUNXI_MUSB_FL_HAS_RESET, &glue->flags))
 		reset_control_assert(glue->rst);
@@ -303,9 +300,6 @@ static int sunxi_musb_exit(struct musb *musb)
 
 	phy_exit(glue->phy);
 
-	extcon_unregister_notifier(glue->extcon, EXTCON_USB_HOST,
-				   &glue->host_nb);
-
 	if (test_bit(SUNXI_MUSB_FL_HAS_RESET, &glue->flags))
 		reset_control_assert(glue->rst);
 
-- 
1.9.1