diff mbox series

[5.8,19/99] i2c: mediatek: Send i2c master code at more than 1MHz

Message ID 20200929105930.665868752@linuxfoundation.org
State New
Headers show
Series None | expand

Commit Message

Greg KH Sept. 29, 2020, 11:01 a.m. UTC 
From: Qii Wang <qii.wang@mediatek.com>

[ Upstream commit b44658e755b5a733e9df04449facbc738df09170 ]

The master code needs to being sent when the speed is more than
I2C_MAX_FAST_MODE_PLUS_FREQ, not I2C_MAX_FAST_MODE_FREQ in the
latest I2C-bus specification and user manual.

Signed-off-by: Qii Wang <qii.wang@mediatek.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/i2c/busses/i2c-mt65xx.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/drivers/i2c/busses/i2c-mt65xx.c b/drivers/i2c/busses/i2c-mt65xx.c
index b099139cbb91e..f9e62c958cf69 100644
--- a/drivers/i2c/busses/i2c-mt65xx.c
+++ b/drivers/i2c/busses/i2c-mt65xx.c
@@ -736,7 +736,7 @@  static int mtk_i2c_set_speed(struct mtk_i2c *i2c, unsigned int parent_clk)
 	for (clk_div = 1; clk_div <= max_clk_div; clk_div++) {
 		clk_src = parent_clk / clk_div;
 
-		if (target_speed > I2C_MAX_FAST_MODE_FREQ) {
+		if (target_speed > I2C_MAX_FAST_MODE_PLUS_FREQ) {
 			/* Set master code speed register */
 			ret = mtk_i2c_calculate_speed(i2c, clk_src,
 						      I2C_MAX_FAST_MODE_FREQ,