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| author | Nicolas Le Bayon <nicolas.le.bayon@st.com> | 2019-03-06 16:12:16 +0100 |
|---|---|---|
| committer | Wolfram Sang <wsa@the-dreams.de> | 2019-03-12 14:09:33 +0100 |
| commit | c86da50cfd840edf223a242580913692acddbcf6 (patch) | |
| tree | 1f09a88330c9d6c26c335959b08668c100002316 /drivers/i2c | |
| parent | i2c: rcar: explain the lockless design (diff) | |
| download | linux-c86da50cfd840edf223a242580913692acddbcf6.tar.xz linux-c86da50cfd840edf223a242580913692acddbcf6.zip | |
i2c: i2c-stm32f7: Fix SDADEL minimum formula
It conforms with Reference Manual I2C timing section.
Fixes: aeb068c57214 ("i2c: i2c-stm32f7: add driver")
Signed-off-by: Nicolas Le Bayon <nicolas.le.bayon@st.com>
Signed-off-by: Bich Hemon <bich.hemon@st.com>
Reviewed-by: Pierre-Yves MORDRET <pierre-yves.mordret@st.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Diffstat (limited to 'drivers/i2c')
| -rw-r--r-- | drivers/i2c/busses/i2c-stm32f7.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/i2c/busses/i2c-stm32f7.c b/drivers/i2c/busses/i2c-stm32f7.c index 13e1213561d4..4284fc991cfd 100644 --- a/drivers/i2c/busses/i2c-stm32f7.c +++ b/drivers/i2c/busses/i2c-stm32f7.c @@ -432,7 +432,7 @@ static int stm32f7_i2c_compute_timing(struct stm32f7_i2c_dev *i2c_dev, STM32F7_I2C_ANALOG_FILTER_DELAY_MAX : 0); dnf_delay = setup->dnf * i2cclk; - sdadel_min = setup->fall_time - i2c_specs[setup->speed].hddat_min - + sdadel_min = i2c_specs[setup->speed].hddat_min + setup->fall_time - af_delay_min - (setup->dnf + 3) * i2cclk; sdadel_max = i2c_specs[setup->speed].vddat_max - setup->rise_time - |