From d9e1cc087a55286fe028e0f078159b30d7da90bd Mon Sep 17 00:00:00 2001
From: Robin van der Gracht <robin@protonic.nl>
Date: Mon, 27 Jan 2025 13:16:44 +0100
Subject: [PATCH] can: rockchip_canfd: rkcanfd_chip_fifo_setup(): remove
 duplicated setup of RX FIFO

The rockchip_canfd driver doesn't make use of the TXE FIFO.

Although the comment states that the TXE FIFO is setup, it's actually
a setup of the RX FIFO. The regular setup of the RX FIFO follows.

Remove the duplicated setup of the RX FIFO.

Fixes: ff60bfbaf67f ("can: rockchip_canfd: add driver for Rockchip CAN-FD controller")
Signed-off-by: Robin van der Gracht <robin@protonic.nl>
Link: https://patch.msgid.link/20250219-rk3568-canfd-v1-1-453869358c72@pengutronix.de
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
---
 drivers/net/can/rockchip/rockchip_canfd-core.c | 5 -----
 1 file changed, 5 deletions(-)

diff --git a/drivers/net/can/rockchip/rockchip_canfd-core.c b/drivers/net/can/rockchip/rockchip_canfd-core.c
index d9a937ba126c..46201c126703 100644
--- a/drivers/net/can/rockchip/rockchip_canfd-core.c
+++ b/drivers/net/can/rockchip/rockchip_canfd-core.c
@@ -236,11 +236,6 @@ static void rkcanfd_chip_fifo_setup(struct rkcanfd_priv *priv)
 {
 	u32 reg;
 
-	/* TXE FIFO */
-	reg = rkcanfd_read(priv, RKCANFD_REG_RX_FIFO_CTRL);
-	reg |= RKCANFD_REG_RX_FIFO_CTRL_RX_FIFO_ENABLE;
-	rkcanfd_write(priv, RKCANFD_REG_RX_FIFO_CTRL, reg);
-
 	/* RX FIFO */
 	reg = rkcanfd_read(priv, RKCANFD_REG_RX_FIFO_CTRL);
 	reg |= RKCANFD_REG_RX_FIFO_CTRL_RX_FIFO_ENABLE;