From: Hans de Goede <hdegoede@redhat.com>
Date: Sun, 14 Jun 2015 14:48:56 +0000 (+0200)
Subject: sunxi: musb: Move vbus check to sunxi_musb_enable
X-Git-Tag: KARO-TXSD-2017-03-15~4067^2~7
X-Git-Url: https://git.kernelconcepts.de/?a=commitdiff_plain;ds=sidebyside;h=b41972e7d17fb920cc50db5b363209685b1251e5;p=karo-tx-uboot.git

sunxi: musb: Move vbus check to sunxi_musb_enable

This way it can be re-checked on "usb reset".

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Ian Campbell <ijc@hellion.org.uk>
---

diff --git a/drivers/usb/musb-new/sunxi.c b/drivers/usb/musb-new/sunxi.c
index c123d61af2..ee018c7e6e 100644
--- a/drivers/usb/musb-new/sunxi.c
+++ b/drivers/usb/musb-new/sunxi.c
@@ -201,6 +201,8 @@ static bool enabled = false;
 
 static int sunxi_musb_enable(struct musb *musb)
 {
+	int ret;
+
 	pr_debug("%s():\n", __func__);
 
 	if (enabled)
@@ -209,8 +211,14 @@ static int sunxi_musb_enable(struct musb *musb)
 	/* select PIO mode */
 	musb_writeb(musb->mregs, USBC_REG_o_VEND0, 0);
 
-	if (is_host_enabled(musb))
+	if (is_host_enabled(musb)) {
+		ret = sunxi_usb_phy_vbus_detect(0);
+		if (ret) {
+			printf("A charger is plugged into the OTG: ");
+			return -ENODEV;
+		}
 		sunxi_usb_phy_power_on(0); /* port power on */
+	}
 
 	USBC_ForceVbusValidToHigh(musb->mregs);
 
@@ -237,18 +245,9 @@ static void sunxi_musb_disable(struct musb *musb)
 static int sunxi_musb_init(struct musb *musb)
 {
 	struct sunxi_ccm_reg *ccm = (struct sunxi_ccm_reg *)SUNXI_CCM_BASE;
-	int err;
 
 	pr_debug("%s():\n", __func__);
 
-	if (is_host_enabled(musb)) {
-		err = sunxi_usb_phy_vbus_detect(0);
-		if (err) {
-			eprintf("Error: A charger is plugged into the OTG\n");
-			return -EIO;
-		}
-	}
-
 	musb->isr = sunxi_musb_interrupt;
 
 	setbits_le32(&ccm->ahb_gate0, 1 << AHB_GATE_OFFSET_USB0);