From c5db36f4b94d17cbbc29455f58466010e9d16d14 Mon Sep 17 00:00:00 2001
From: songyanguang <345810377@qq.com>
Date: Thu, 4 Jul 2024 11:28:28 +0800
Subject: [PATCH] enable DSB

---
 .../services/drivers/usb/components/port/xhci/xhci.c          | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/Ubiquitous/XiZi_AIoT/services/drivers/usb/components/port/xhci/xhci.c b/Ubiquitous/XiZi_AIoT/services/drivers/usb/components/port/xhci/xhci.c
index 527cdf2c1..75354f2db 100644
--- a/Ubiquitous/XiZi_AIoT/services/drivers/usb/components/port/xhci/xhci.c
+++ b/Ubiquitous/XiZi_AIoT/services/drivers/usb/components/port/xhci/xhci.c
@@ -1456,7 +1456,7 @@ int xhci_event_wait(struct xhci_host *xhci,
  * @v value     Value send to doorbell
  */
 static inline void xhci_doorbell ( struct xhci_host *xhci, uint32_t slotid, uint32_t value ) {
-//	DSB();
+	DSB();
 	BARRIER();
 	writel ( value, xhci->db + slotid * XHCI_REG_DB_SIZE ); /* bit[7:0] db target, is ep_id */
 }
@@ -2702,4 +2702,4 @@ void xhci_event_process(struct xhci_host *xhci) {
    }
 
    return;    
-}
\ No newline at end of file
+}