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Groups > linux.kernel > #1548452

[PATCH v2] usb: musb: sunxi: Uses the resource-managed extcon API when registering extcon notifier

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

Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
Acked-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Acked-by: Bin Liu <b-liu@ti.com>
---
Changes from v1:
- Rebase this patch based on v4.10-rc1.
- Add acked-by tag from Maxime Ripard and Bin Lin.
- Drop the phy/power-supply/chipidea patches.

 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 d0be0eadd0d9..2332294dee0f 100644
--- a/drivers/usb/musb/sunxi.c
+++ b/drivers/usb/musb/sunxi.c
@@ -251,14 +251,14 @@ 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;
 
@@ -267,9 +267,6 @@ 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);
@@ -293,9 +290,6 @@ 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

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[PATCH v2] usb: musb: sunxi: Uses the resource-managed extcon API when  registering extcon notifier Chanwoo Choi <cw00.choi@samsung.com> - 2016-12-30 05:20 +0100

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