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-rw-r--r--src/portable/sunxi/dcd_sunxi_musb.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/portable/sunxi/dcd_sunxi_musb.c b/src/portable/sunxi/dcd_sunxi_musb.c
index 420ce1de0..e164f2c19 100644
--- a/src/portable/sunxi/dcd_sunxi_musb.c
+++ b/src/portable/sunxi/dcd_sunxi_musb.c
@@ -389,7 +389,7 @@ static inline void print_block_list(free_block_t const *blk, unsigned num)
#endif
#if CFG_TUSB_MCU == OPT_MCU_F1C100S
-#define USB_FIFO_SIZE_KB 2
+#define USB_FIFO_SIZE_KB 4
#else
#error "Unsupported MCU"
#endif