2022-07-19 02:28:23

by Thinh Nguyen

[permalink] [raw]
Subject: [PATCH v2 09/25] usb: gadget: f_tcm: Use extra number of commands

To properly respond to host sending more commands than the number of
streams the device advertises, the device needs to be able to reject the
command with a response. Allocate an extra request to handle 1 more
command than the number of streams.

Signed-off-by: Thinh Nguyen <[email protected]>
---
Changes in v2:
- None

drivers/usb/gadget/function/tcm.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/usb/gadget/function/tcm.h b/drivers/usb/gadget/function/tcm.h
index df768559fb60..c7e6d36afd3a 100644
--- a/drivers/usb/gadget/function/tcm.h
+++ b/drivers/usb/gadget/function/tcm.h
@@ -16,7 +16,7 @@
#define UASP_SS_EP_COMP_LOG_STREAMS 5
#define UASP_SS_EP_COMP_NUM_STREAMS (1 << UASP_SS_EP_COMP_LOG_STREAMS)

-#define USBG_NUM_CMDS UASP_SS_EP_COMP_NUM_STREAMS
+#define USBG_NUM_CMDS (UASP_SS_EP_COMP_NUM_STREAMS + 1)

enum {
USB_G_STR_INT_UAS = 0,
--
2.28.0