diff options
Diffstat (limited to 'drivers/usb')
| -rw-r--r-- | drivers/usb/musb-new/sunxi.c | 28 |
1 files changed, 12 insertions, 16 deletions
diff --git a/drivers/usb/musb-new/sunxi.c b/drivers/usb/musb-new/sunxi.c index c016a0bb54..dece7818dc 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 */ |