From 6ac25538d870685707e7cdebba771c79ada77e80 Mon Sep 17 00:00:00 2001
From: Eddie James <eajames@linux.ibm.com>
Date: Wed, 11 May 2022 15:52:03 -0500
Subject: [PATCH] i2c: ast_i2c: Remove SCL direct drive mode

SCL direct drive mode prevents communication with devices that
do clock stretching, so disable. The Linux driver doesn't use
this mode, and the engine can handle clock stretching.

Signed-off-by: Eddie James <eajames@linux.ibm.com>
Reviewed-by: Heiko Schocher <hs@denx.de>
Reviewed-by: Joel Stanley <joel@jms.id.au>
Reviewed-by: ryan_chen <ryan_chen@aspeedtech.com>
---
 drivers/i2c/ast_i2c.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/i2c/ast_i2c.c b/drivers/i2c/ast_i2c.c
index c9ffe2d628..1c1d5566da 100644
--- a/drivers/i2c/ast_i2c.c
+++ b/drivers/i2c/ast_i2c.c
@@ -77,7 +77,7 @@ static void ast_i2c_init_bus(struct udevice *dev)
 	/* Enable Master Mode. Assuming single-master */
 	writel(I2CD_MASTER_EN
 	       | I2CD_M_SDA_LOCK_EN
-	       | I2CD_MULTI_MASTER_DIS | I2CD_M_SCL_DRIVE_EN,
+	       | I2CD_MULTI_MASTER_DIS,
 	       &priv->regs->fcr);
 	/* Enable Interrupts */
 	writel(I2CD_INTR_TX_ACK
-- 
2.39.5