s5p: usb: remove zlp handling on cpu mode

Signed-off-by: Minkyu Kang <mk7.kang@samsung.com>

diff --git a/arch/arm/cpu/armv7/s5p-common/usb-hs-otg.c b/arch/arm/cpu/armv7/s5p-common/usb-hs-otg.c
index 9cc771a..0cceb29 100644 (file)
--- a/arch/arm/cpu/armv7/s5p-common/usb-hs-otg.c
+++ b/arch/arm/cpu/armv7/s5p-common/usb-hs-otg.c
@@ -703,7 +703,6 @@ static void s5p_usb_ep0_int_hndlr(void)
                        s5p_otg_write_reg(1 << 18 | addr << 4 | otg.speed << 0,
                               OTG_DCFG);
                        otg.ep0_state = EP0_STATE_INIT;
-                       otg.ep0_zlp = 1;
                        break;
 
                case STANDARD_SET_DESCRIPTOR:
@@ -714,7 +713,6 @@ static void s5p_usb_ep0_int_hndlr(void)
                        config_value = otg.dev_req.wValue_L;
                        otg.set_config = 1;
                        otg.ep0_state = EP0_STATE_INIT;
-                       otg.ep0_zlp = 1;
 
                        s5p_usb_connected = 1;
                        break;
@@ -788,12 +786,10 @@ static void s5p_usb_transfer_ep0(void)
 {
        switch (otg.ep0_state) {
        case EP0_STATE_INIT:
-               if (otg.ep0_zlp) {
-                       s5p_usb_set_inep_xfersize(EP_TYPE_CONTROL, 1, 0);
+               s5p_usb_set_inep_xfersize(EP_TYPE_CONTROL, 1, 0);
 
-                       /*ep0 enable, clear nak, next ep0, 8byte */
-                       s5p_otg_write_reg(EPEN_CNAK_EP0_8, OTG_DIEPCTL0);
-               }
+               /*ep0 enable, clear nak, next ep0, 8byte */
+               s5p_otg_write_reg(EPEN_CNAK_EP0_8, OTG_DIEPCTL0);
                break;
 
        case EP0_STATE_GD_DEV_0: