From e6f6d3e1dd09c5a038e5dd3eb31b4aa5975397ad Mon Sep 17 00:00:00 2001
From: xj <kameblue@outlook.com>
Date: Thu, 12 Sep 2024 04:45:05 -0700
Subject: [PATCH] DWC3 scratch buffer functions

---
 .../services/drivers/usb/components/port/dwc3/dwc3.c       | 7 ++++++-
 .../services/drivers/usb/components/port/dwc3/dwc3.h       | 2 ++
 2 files changed, 8 insertions(+), 1 deletion(-)

diff --git a/Ubiquitous/XiZi_AIoT/services/drivers/usb/components/port/dwc3/dwc3.c b/Ubiquitous/XiZi_AIoT/services/drivers/usb/components/port/dwc3/dwc3.c
index e733ee7ab..17c2c4fbd 100644
--- a/Ubiquitous/XiZi_AIoT/services/drivers/usb/components/port/dwc3/dwc3.c
+++ b/Ubiquitous/XiZi_AIoT/services/drivers/usb/components/port/dwc3/dwc3.c
@@ -108,6 +108,11 @@ int dwc3_alloc_scratch_buffers(struct dwc3 *dwc){
         return 0;
 
     len = dwc->nr_scratch * DWC3_SCRATCHBUF_SIZE;
+
+	vir_addr = USB_MEM_VIRADDR_ALLOC;
+    phy_addr = 0;
+	dwc->scratchbuf = (void *)vir_addr;
+
     ret = naive_mmap(&vir_addr, &phy_addr, len, true);
     
     if(ret != 0){
@@ -115,7 +120,7 @@ int dwc3_alloc_scratch_buffers(struct dwc3 *dwc){
         ret = -ENOMEM;
     }
 
-    dwc->scratchbuf = (void *)vir_addr;
+    
     dwc->scratch_addr = phy_addr;
 
     return ret;
diff --git a/Ubiquitous/XiZi_AIoT/services/drivers/usb/components/port/dwc3/dwc3.h b/Ubiquitous/XiZi_AIoT/services/drivers/usb/components/port/dwc3/dwc3.h
index f047e94c3..b4e6b06cd 100644
--- a/Ubiquitous/XiZi_AIoT/services/drivers/usb/components/port/dwc3/dwc3.h
+++ b/Ubiquitous/XiZi_AIoT/services/drivers/usb/components/port/dwc3/dwc3.h
@@ -896,6 +896,8 @@ int dwc3_setup_scratch_buffers(struct dwc3 *dwc);
 
 int dwc3_alloc_event_buffers(struct dwc3 *dwc, uint32_t length);
 
+struct dwc3_event_buffer *dwc3_alloc_one_event_buffer(struct dwc3 *dwc, unsigned length);
+
 void dwc3_free_event_buffers(struct dwc3 *dwc);
 
 int dwc3_event_buffers_setup(struct dwc3 *dwc);