diff --git a/target/linux/mediatek/patches-5.4/999-2368-kernel-MT7988-fix-spi-dma-unmap.patch b/target/linux/mediatek/patches-5.4/999-2368-kernel-MT7988-fix-spi-dma-unmap.patch
new file mode 100644
index 0000000..4774cb3
--- /dev/null
+++ b/target/linux/mediatek/patches-5.4/999-2368-kernel-MT7988-fix-spi-dma-unmap.patch
@@ -0,0 +1,32 @@
+From f715b301cff26297a1f4af71e6982de3d56673dd Mon Sep 17 00:00:00 2001
+From: Sam Shih <sam.shih@mediatek.com>
+Date: Fri, 2 Jun 2023 13:06:20 +0800
+Subject: [PATCH] 
+ [spi-and-storage][999-2368-kernel-MT7988-fix-spi-dma-unmap.patch]
+
+---
+ drivers/spi/spi-mt65xx.c | 4 ++--
+ 1 file changed, 2 insertions(+), 2 deletions(-)
+
+diff --git a/drivers/spi/spi-mt65xx.c b/drivers/spi/spi-mt65xx.c
+index 2883dc908..b03257132 100644
+--- a/drivers/spi/spi-mt65xx.c
++++ b/drivers/spi/spi-mt65xx.c
+@@ -957,12 +957,12 @@ static int mtk_spi_mem_exec_op(struct spi_mem *mem,
+ 
+ unmap_rx_dma:
+ 	if (op->data.dir == SPI_MEM_DATA_IN) {
++		dma_unmap_single(mdata->dev, mdata->rx_dma,
++				 op->data.nbytes, DMA_FROM_DEVICE);
+ 		if(!IS_ALIGNED((size_t)op->data.buf.in, 4)) {
+ 			memcpy(op->data.buf.in, rx_tmp_buf, op->data.nbytes);
+ 			kfree(rx_tmp_buf);
+ 		}
+-		dma_unmap_single(mdata->dev, mdata->rx_dma,
+-				 op->data.nbytes, DMA_FROM_DEVICE);
+ 	}
+ unmap_tx_dma:
+ 	dma_unmap_single(mdata->dev, mdata->tx_dma,
+-- 
+2.34.1
+