diff --git a/target/linux/mediatek/patches-5.10/000-spi-fix-fifo.patch b/target/linux/mediatek/patches-5.10/000-spi-fix-fifo.patch
new file mode 100644
index 0000000000..a7ac93a208
--- /dev/null
+++ b/target/linux/mediatek/patches-5.10/000-spi-fix-fifo.patch
@@ -0,0 +1,54 @@
+From 3a70dd2d050331ee4cf5ad9d5c0a32d83ead9a43 Mon Sep 17 00:00:00 2001
+From: Peter Hess <peter.hess@ph-home.de>
+Date: Tue, 6 Jul 2021 14:16:09 +0200
+Subject: spi: mediatek: fix fifo rx mode
+
+In FIFO mode were two problems:
+- RX mode was never handled and
+- in this case the tx_buf pointer was NULL and caused an exception
+
+fix this by handling RX mode in mtk_spi_fifo_transfer
+
+Fixes: a568231f4632 ("spi: mediatek: Add spi bus for Mediatek MT8173")
+Signed-off-by: Peter Hess <peter.hess@ph-home.de>
+Signed-off-by: Frank Wunderlich <frank-w@public-files.de>
+Link: https://lore.kernel.org/r/20210706121609.680534-1-linux@fw-web.de
+Signed-off-by: Mark Brown <broonie@kernel.org>
+---
+ drivers/spi/spi-mt65xx.c | 16 +++++++++++++---
+ 1 file changed, 13 insertions(+), 3 deletions(-)
+
+diff --git a/drivers/spi/spi-mt65xx.c b/drivers/spi/spi-mt65xx.c
+index 976f73b9e2998..8d5fa7f1e5069 100644
+--- a/drivers/spi/spi-mt65xx.c
++++ b/drivers/spi/spi-mt65xx.c
+@@ -427,13 +427,23 @@ static int mtk_spi_fifo_transfer(struct spi_master *master,
+ 	mtk_spi_setup_packet(master);
+ 
+ 	cnt = xfer->len / 4;
+-	iowrite32_rep(mdata->base + SPI_TX_DATA_REG, xfer->tx_buf, cnt);
++	if (xfer->tx_buf)
++		iowrite32_rep(mdata->base + SPI_TX_DATA_REG, xfer->tx_buf, cnt);
++
++	if (xfer->rx_buf)
++		ioread32_rep(mdata->base + SPI_RX_DATA_REG, xfer->rx_buf, cnt);
+ 
+ 	remainder = xfer->len % 4;
+ 	if (remainder > 0) {
+ 		reg_val = 0;
+-		memcpy(&reg_val, xfer->tx_buf + (cnt * 4), remainder);
+-		writel(reg_val, mdata->base + SPI_TX_DATA_REG);
++		if (xfer->tx_buf) {
++			memcpy(&reg_val, xfer->tx_buf + (cnt * 4), remainder);
++			writel(reg_val, mdata->base + SPI_TX_DATA_REG);
++		}
++		if (xfer->rx_buf) {
++			reg_val = readl(mdata->base + SPI_RX_DATA_REG);
++			memcpy(xfer->rx_buf + (cnt * 4), &reg_val, remainder);
++		}
+ 	}
+ 
+ 	mtk_spi_enable_transfer(master);
+-- 
+cgit 1.2.3-1.el7
+