diff --git a/target/linux/mediatek/patches-5.4/999-2363-spi-mediatek-fix-timeout-for-large-data.patch b/target/linux/mediatek/patches-5.4/999-2363-spi-mediatek-fix-timeout-for-large-data.patch
new file mode 100644
index 0000000..2a05ef3
--- /dev/null
+++ b/target/linux/mediatek/patches-5.4/999-2363-spi-mediatek-fix-timeout-for-large-data.patch
@@ -0,0 +1,49 @@
+From 8efe8045522d7bd790b9ae7408c64f497a54e643 Mon Sep 17 00:00:00 2001
+From: Sam Shih <sam.shih@mediatek.com>
+Date: Fri, 2 Jun 2023 13:06:18 +0800
+Subject: [PATCH] 
+ [spi-and-storage][999-2363-spi-mediatek-fix-timeout-for-large-data.patch]
+
+---
+ drivers/spi/spi-mt65xx.c | 18 ++++++++++++++++++
+ 1 file changed, 18 insertions(+)
+
+diff --git a/drivers/spi/spi-mt65xx.c b/drivers/spi/spi-mt65xx.c
+index dbb471769..871eff03f 100644
+--- a/drivers/spi/spi-mt65xx.c
++++ b/drivers/spi/spi-mt65xx.c
+@@ -721,6 +721,23 @@ static irqreturn_t mtk_spi_interrupt(int irq, void *dev_id)
+ 	return IRQ_HANDLED;
+ }
+ 
++static int mtk_spi_mem_adjust_op_size(struct spi_mem *mem,
++                                      struct spi_mem_op *op)
++{
++	int opcode_len;
++
++	if(!op->data.nbytes)
++		return 0;
++
++	if (op->data.dir != SPI_MEM_NO_DATA) {
++		opcode_len = 1 + op->addr.nbytes + op->dummy.nbytes;
++		if (opcode_len + op->data.nbytes > MTK_SPI_IPM_PACKET_SIZE)
++			op->data.nbytes = MTK_SPI_IPM_PACKET_SIZE -opcode_len;
++	}
++
++	return 0;
++}
++
+ static bool mtk_spi_mem_supports_op(struct spi_mem *mem,
+ 				     const struct spi_mem_op *op)
+ {
+@@ -947,6 +964,7 @@ err_exit:
+ }
+ 
+ static const struct spi_controller_mem_ops mtk_spi_mem_ops = {
++	.adjust_op_size = mtk_spi_mem_adjust_op_size,
+ 	.supports_op = mtk_spi_mem_supports_op,
+ 	.exec_op = mtk_spi_mem_exec_op,
+ };
+-- 
+2.34.1
+