[U-Boot] [PATCH] usbtty: adapt buffers for large packet support

[Vipin Kumar]

From: Shiraz Hashim <shiraz.hashim at st.com>

Increase buffer sizes at driver and tty level to accommodate kermit
large packet support.

Signed-off-by: Shiraz Hashim <shiraz.hashim at st.com>
---
 drivers/serial/usbtty.c | 2 +-
 include/usbdevice.h     | 4 +++-
 2 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/drivers/serial/usbtty.c b/drivers/serial/usbtty.c
index e47cb9a..148d1a6 100644
--- a/drivers/serial/usbtty.c
+++ b/drivers/serial/usbtty.c
@@ -63,7 +63,7 @@
 /*
  * Buffers to hold input and output data
  */
-#define USBTTY_BUFFER_SIZE 256
+#define USBTTY_BUFFER_SIZE 2048
 static circbuf_t usbtty_input;
 static circbuf_t usbtty_output;
 
diff --git a/include/usbdevice.h b/include/usbdevice.h
index 3edaf8b..7037efd 100644
--- a/include/usbdevice.h
+++ b/include/usbdevice.h
@@ -475,7 +475,9 @@ typedef struct urb_link {
  * function driver to inform it that data has arrived.
  */
 
-#define URB_BUF_SIZE 128 /* in linux we'd malloc this, but in u-boot we prefer static data */
+/* in linux we'd malloc this, but in u-boot we prefer static data */
+#define URB_BUF_SIZE 512
+
 struct urb {
 
 	struct usb_endpoint_instance *endpoint;
-- 
1.8.0