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-rw-r--r--arch/arm/include/asm/arch-sunxi/usb_phy.h1
-rw-r--r--arch/arm/mach-sunxi/usb_phy.c7
-rw-r--r--drivers/usb/musb-new/sunxi.c28
3 files changed, 12 insertions, 24 deletions
diff --git a/arch/arm/include/asm/arch-sunxi/usb_phy.h b/arch/arm/include/asm/arch-sunxi/usb_phy.h
index 6a14cad..cef6c98 100644
--- a/arch/arm/include/asm/arch-sunxi/usb_phy.h
+++ b/arch/arm/include/asm/arch-sunxi/usb_phy.h
@@ -16,7 +16,6 @@ void sunxi_usb_phy_init(int index);
void sunxi_usb_phy_exit(int index);
void sunxi_usb_phy_power_on(int index);
void sunxi_usb_phy_power_off(int index);
-int sunxi_usb_phy_power_is_on(int index);
int sunxi_usb_phy_vbus_detect(int index);
int sunxi_usb_phy_id_detect(int index);
void sunxi_usb_phy_enable_squelch_detect(int index, int enable);
diff --git a/arch/arm/mach-sunxi/usb_phy.c b/arch/arm/mach-sunxi/usb_phy.c
index f9993d2..bd1bbee 100644
--- a/arch/arm/mach-sunxi/usb_phy.c
+++ b/arch/arm/mach-sunxi/usb_phy.c
@@ -296,13 +296,6 @@ void sunxi_usb_phy_power_off(int index)
gpio_set_value(phy->gpio_vbus, 0);
}
-int sunxi_usb_phy_power_is_on(int index)
-{
- struct sunxi_usb_phy *phy = &sunxi_usb_phy[index];
-
- return phy->power_on_count > 0;
-}
-
int sunxi_usb_phy_vbus_detect(int index)
{
struct sunxi_usb_phy *phy = &sunxi_usb_phy[index];
diff --git a/drivers/usb/musb-new/sunxi.c b/drivers/usb/musb-new/sunxi.c
index c016a0b..dece781 100644
--- a/drivers/usb/musb-new/sunxi.c
+++ b/drivers/usb/musb-new/sunxi.c
@@ -205,6 +205,8 @@ static struct musb *sunxi_musb;
static int sunxi_musb_enable(struct musb *musb)
{
+ int ret;
+
pr_debug("%s():\n", __func__);
musb_ep_select(musb->mregs, 0);
@@ -217,26 +219,17 @@ static int sunxi_musb_enable(struct musb *musb)
musb_writeb(musb->mregs, USBC_REG_o_VEND0, 0);
if (is_host_enabled(musb)) {
- int id = sunxi_usb_phy_id_detect(0);
-
- if (id == 1 && sunxi_usb_phy_power_is_on(0))
- sunxi_usb_phy_power_off(0);
-
- if (!sunxi_usb_phy_power_is_on(0)) {
- int vbus = sunxi_usb_phy_vbus_detect(0);
- if (vbus == 1) {
- printf("A charger is plugged into the OTG: ");
- return -ENODEV;
- }
+ ret = sunxi_usb_phy_vbus_detect(0);
+ if (ret == 1) {
+ printf("A charger is plugged into the OTG: ");
+ return -ENODEV;
}
-
- if (id == 1) {
+ ret = sunxi_usb_phy_id_detect(0);
+ if (ret == 1) {
printf("No host cable detected: ");
return -ENODEV;
}
-
- if (!sunxi_usb_phy_power_is_on(0))
- sunxi_usb_phy_power_on(0);
+ sunxi_usb_phy_power_on(0); /* port power on */
}
USBC_ForceVbusValidToHigh(musb->mregs);
@@ -252,6 +245,9 @@ static void sunxi_musb_disable(struct musb *musb)
if (!enabled)
return;
+ if (is_host_enabled(musb))
+ sunxi_usb_phy_power_off(0); /* port power off */
+
USBC_ForceVbusValidToLow(musb->mregs);
mdelay(200); /* Wait for the current session to timeout */