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[22/36] usb: gadget: f_tcm: Use extra number of commands

Message ID c37cabb26020f051388500db9fe1a34587e4c76d.1657149962.git.Thinh.Nguyen@synopsys.com
State Superseded
Headers show
Series usb: gadget: f_tcm: Enhance UASP driver | expand

Commit Message

Thinh Nguyen July 6, 2022, 11:36 p.m. UTC 
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 <Thinh.Nguyen@synopsys.com>
---
 drivers/usb/gadget/function/tcm.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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Patch

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,