s5pc1xx: remove unnecessary codes

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

diff --git a/cpu/arm_cortexa8/s5pc1xx/usb-hs-otg.c b/cpu/arm_cortexa8/s5pc1xx/usb-hs-otg.c
index 131b27c..689ce1c 100644 (file)
--- a/cpu/arm_cortexa8/s5pc1xx/usb-hs-otg.c
+++ b/cpu/arm_cortexa8/s5pc1xx/usb-hs-otg.c
@@ -1162,55 +1162,20 @@ void s5p_usb_tx(char *tx_data, int tx_size)
        }
 }
 
-static void s5p_usb_rx(u32 fifo_cnt_byte)
+static void s5p_usb_int_bulkout(u32 fifo_cnt_byte)
 {
-       if (otg.op_mode == USB_CPU) {
-               s5p_usb_read_out_fifo((u8 *)otg.dn_ptr, fifo_cnt_byte);
-               otg.dn_ptr += fifo_cnt_byte;
-
-               s5p_usb_set_outep_xfersize(EP_TYPE_BULK, 1,
-                               otg.bulkout_max_pktsize);
-
-               /*ep3 enable, clear nak, bulk, usb active, next ep3, max pkt */
-               s5pc1xx_otg_write_reg(1u << 31 | 1 << 26 | 2 << 18 | 1 << 15 |
-                               otg.bulkout_max_pktsize << 0, OTG_DOEPCTL_OUT);
-
-               if (((u32)otg.dn_ptr - otg.dn_addr) >= (otg.dn_filesize))
-                       s5p_receive_done = 1;
-       } else if (otg.dn_filesize > otg.bulkout_max_pktsize) {
-               u32 pkt_cnt, remain_cnt;
+       s5p_usb_read_out_fifo((u8 *)otg.dn_ptr, fifo_cnt_byte);
+       otg.dn_ptr += fifo_cnt_byte;
 
-               s5pc1xx_otg_write_reg(INT_RESUME | INT_OUT_EP | INT_IN_EP |
-                               INT_ENUMDONE | INT_RESET | INT_SUSPEND,
-                               OTG_GINTMSK);
-               s5pc1xx_otg_write_reg(MODE_DMA | BURST_INCR4 | GBL_INT_UNMASK,
-                               OTG_GAHBCFG);
-               s5pc1xx_otg_write_reg((u32) otg.dn_ptr, OTG_DOEPDMA_OUT);
-               pkt_cnt = (u32)(otg.dn_filesize - otg.bulkout_max_pktsize) /
-                               otg.bulkout_max_pktsize;
-               remain_cnt = (u32)((otg.dn_filesize - otg.bulkout_max_pktsize) %
-                               otg.bulkout_max_pktsize);
-
-               if (remain_cnt != 0)
-                       pkt_cnt += 1;
+       s5p_usb_set_outep_xfersize(EP_TYPE_BULK, 1,
+                       otg.bulkout_max_pktsize);
 
-               if (pkt_cnt > 1023) {
-                       s5p_usb_set_outep_xfersize(EP_TYPE_BULK, 1023,
-                                       otg.bulkout_max_pktsize * 1023);
-               } else {
-                       s5p_usb_set_outep_xfersize(EP_TYPE_BULK, pkt_cnt,
-                                       otg.dn_filesize - otg.bulkout_max_pktsize);
-               }
-
-               /*ep3 enable, clear nak, bulk, usb active, next ep3, max pkt */
-               s5pc1xx_otg_write_reg(1u << 31 | 1 << 26 | 2 << 18 | 1 << 15 |
-                               otg.bulkout_max_pktsize << 0, OTG_DOEPCTL_OUT);
-       }
-}
+       /*ep3 enable, clear nak, bulk, usb active, next ep3, max pkt */
+       s5pc1xx_otg_write_reg(1u << 31 | 1 << 26 | 2 << 18 | 1 << 15 |
+                       otg.bulkout_max_pktsize << 0, OTG_DOEPCTL_OUT);
 
-static void s5p_usb_int_bulkout(u32 fifo_cnt_byte)
-{
-       s5p_usb_rx(fifo_cnt_byte);
+       if (((u32)otg.dn_ptr - otg.dn_addr) >= (otg.dn_filesize))
+               s5p_receive_done = 1;
 }
 
 static void s5p_usb_dma_in_done(void)