[PATCH 2/5] usb: gadget: sdp: use CONFIG_SDP_LOADADDR as default load address

[Peng Fan]

From: Frank Li <Frank.Li at nxp.com>

If SDP_WRITE and SDP_JUMP addr is zero, use CONFIG_SDP_LOADADDR
as default address

Signed-off-by: Frank Li <Frank.Li at nxp.com>
Signed-off-by: Peng Fan <peng.fan at nxp.com>
---
 drivers/usb/gadget/Kconfig | 4 ++++
 drivers/usb/gadget/f_sdp.c | 4 ++--
 2 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/drivers/usb/gadget/Kconfig b/drivers/usb/gadget/Kconfig
index 58ca82d4de..46aa3fe954 100644
--- a/drivers/usb/gadget/Kconfig
+++ b/drivers/usb/gadget/Kconfig
@@ -122,6 +122,10 @@ config USB_GADGET_VBUS_DRAW
 	   This value will be used except for system-specific gadget
 	   drivers that have more specific information.
 
+config SDP_LOADADDR
+	hex "Default load address at SDP_WRITE and SDP_JUMP"
+	default 0
+
 # Selected by UDC drivers that support high-speed operation.
 config USB_GADGET_DUALSPEED
 	bool
diff --git a/drivers/usb/gadget/f_sdp.c b/drivers/usb/gadget/f_sdp.c
index 50836db4a0..1732a3acf1 100644
--- a/drivers/usb/gadget/f_sdp.c
+++ b/drivers/usb/gadget/f_sdp.c
@@ -276,7 +276,7 @@ static void sdp_rx_command_complete(struct usb_ep *ep, struct usb_request *req)
 		sdp->error_status = SDP_WRITE_FILE_COMPLETE;
 
 		sdp->state = SDP_STATE_RX_FILE_DATA;
-		sdp->dnl_address = be32_to_cpu(cmd->addr);
+		sdp->dnl_address = cmd->addr ? be32_to_cpu(cmd->addr) : CONFIG_SDP_LOADADDR;
 		sdp->dnl_bytes_remaining = be32_to_cpu(cmd->cnt);
 		sdp->dnl_bytes = sdp->dnl_bytes_remaining;
 		sdp->next_state = SDP_STATE_IDLE;
@@ -304,7 +304,7 @@ static void sdp_rx_command_complete(struct usb_ep *ep, struct usb_request *req)
 		sdp->always_send_status = false;
 		sdp->error_status = 0;
 
-		sdp->jmp_address = be32_to_cpu(cmd->addr);
+		sdp->jmp_address = cmd->addr ? be32_to_cpu(cmd->addr) : CONFIG_SDP_LOADADDR;
 		sdp->state = SDP_STATE_TX_SEC_CONF;
 		sdp->next_state = SDP_STATE_JUMP;
 		break;
-- 
2.16.4