linux-kernel - [PATCH] usb: musb: remove extra check in musb_gadget_vbus

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Date:   Mon, 14 Nov 2022 10:59:47 +0200
From:   Ivaylo Dimitrov <ivo.g.dimitrov.75@...il.com>
To:     b-liu@...com
Cc:     gregkh@...uxfoundation.org, linux-usb@...r.kernel.org,
        linux-kernel@...r.kernel.org, tony@...mide.com,
        Ivaylo Dimitrov <ivo.g.dimitrov.75@...il.com>
Subject: [PATCH] usb: musb: remove extra check in musb_gadget_vbus_draw

The check for musb->xceiv->set_power duplicates the check done in
usb_phy_set_power(). Moreover, not calling usb_phy_set_power() results in
current USB config max current not being propagated through usb_charger FW

Signed-off-by: Ivaylo Dimitrov <ivo.g.dimitrov.75@...il.com>
---
 drivers/usb/musb/musb_gadget.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/drivers/usb/musb/musb_gadget.c b/drivers/usb/musb/musb_gadget.c
index 6704a62..ba20272d 100644
--- a/drivers/usb/musb/musb_gadget.c
+++ b/drivers/usb/musb/musb_gadget.c
@@ -1628,8 +1628,6 @@ static int musb_gadget_vbus_draw(struct usb_gadget *gadget, unsigned mA)
 {
 	struct musb	*musb = gadget_to_musb(gadget);
 
-	if (!musb->xceiv->set_power)
-		return -EOPNOTSUPP;
 	return usb_phy_set_power(musb->xceiv, mA);
 }
 
-- 
1.9.1