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[v3,09/28] usb: gadget: f_tcm: Limit number of sessions

Message ID 017016ffcab2f3c284d863fc42483b83dbd21b35.1733876548.git.Thinh.Nguyen@synopsys.com
State New
Headers show
Series [v3,01/28] usb: gadget: f_tcm: Don't free command immediately | expand

Commit Message

Thinh Nguyen Dec. 11, 2024, 12:32 a.m. UTC 
Only allocate up to UASP_SS_EP_COMP_NUM_STREAMS number of session tags.
We should not be using more than UASP_SS_EP_COMP_NUM_STREAMS of tags due
to the number of commands limit we imposed. Each command uses a unique
tag. Any more than that is unnecessary. By limiting it, we can detect an
issue in our driver immediately should we run out of session tags.

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 6cb05dcd19ff..385bc2cdefb6 100644
--- a/drivers/usb/gadget/function/tcm.h
+++ b/drivers/usb/gadget/function/tcm.h
@@ -24,7 +24,7 @@  enum {
 #define USB_G_ALT_INT_BBB       0
 #define USB_G_ALT_INT_UAS       1
 
-#define USB_G_DEFAULT_SESSION_TAGS	128
+#define USB_G_DEFAULT_SESSION_TAGS	UASP_SS_EP_COMP_NUM_STREAMS
 
 struct tcm_usbg_nexus {
 	struct se_session *tvn_se_sess;