From 139c2307f9d6e346943caf388dadf2be930f540a Mon Sep 17 00:00:00 2001
From: sakumisu <1203593632@qq.com>
Date: Fri, 29 Jul 2022 21:02:08 +0800
Subject: change flush to writeback

---
 port/hpm/usb_dc_hpm.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/port/hpm/usb_dc_hpm.c b/port/hpm/usb_dc_hpm.c
index 67af43ea..32fdbe69 100644
--- a/port/hpm/usb_dc_hpm.c
+++ b/port/hpm/usb_dc_hpm.c
@@ -154,7 +154,7 @@ int usbd_ep_start_write(const uint8_t ep, const uint8_t *data, uint32_t data_len
 #ifdef CONFIG_USB_DCACHE_ENABLE
     if (data_len != 0) {
         uint32_t align_len = USB_ALIGN(data_len, CONFIG_DCACHE_LINE_SIZE);
-        l1c_dc_flush((uint32_t)data, align_len);
+        l1c_dc_writeback((uint32_t)data, align_len);
     }
 #endif
     usb_device_edpt_xfer(handle, ep, data, data_len);
-- 
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