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authorQii Wang <qii.wang@mediatek.com>2020-09-17 13:55:42 +0200
committerWolfram Sang <wsa@kernel.org>2020-09-18 22:50:42 +0200
commitb44658e755b5a733e9df04449facbc738df09170 (patch)
tree640c0aedadc44ae098e378481699979e18a02892 /drivers/i2c
parenti2c: mediatek: Fix generic definitions for bus frequency (diff)
downloadlinux-b44658e755b5a733e9df04449facbc738df09170.tar.xz
linux-b44658e755b5a733e9df04449facbc738df09170.zip
i2c: mediatek: Send i2c master code at more than 1MHz
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>
Diffstat (limited to 'drivers/i2c')
-rw-r--r--drivers/i2c/busses/i2c-mt65xx.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/i2c/busses/i2c-mt65xx.c b/drivers/i2c/busses/i2c-mt65xx.c
index a1978ebd8177..0cbdfbe605b5 100644
--- a/drivers/i2c/busses/i2c-mt65xx.c
+++ b/drivers/i2c/busses/i2c-mt65xx.c
@@ -759,7 +759,7 @@ 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,