usbd: reduce rx buffer size

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

diff --git a/cpu/arm_cortexa8/s5pc1xx/usb_downloader.c b/cpu/arm_cortexa8/s5pc1xx/usb_downloader.c
index 8c9c7ba..8688b25 100644 (file)
--- a/cpu/arm_cortexa8/s5pc1xx/usb_downloader.c
+++ b/cpu/arm_cortexa8/s5pc1xx/usb_downloader.c
@@ -29,7 +29,7 @@
 static char tx_data[8] = "MPL";
 static long tx_len = 4;
 
-static char rx_data[2048];
+static char rx_data[64];
 static long rx_len = 64;
 
 extern int s5p_receive_done;