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| author | Nicolas Le Bayon <nicolas.le.bayon@st.com> | 2019-03-06 15:12:16 +0000 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-05-08 07:21:55 +0200 |
| commit | 5f18c95d296447fe70f5f015ecbcf20eb3bce726 (patch) | |
| tree | 5404b5ff9d0713100e4d9d76834969f15a7d44e3 /drivers/i2c | |
| parent | 7a32cbf1720bc78e4960d03f2fc8cea44f7367b9 (diff) | |
i2c: i2c-stm32f7: Fix SDADEL minimum formula
commit c86da50cfd840edf223a242580913692acddbcf6 upstream.
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>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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 62d023e737d9..a492da9fd0d3 100644 --- a/drivers/i2c/busses/i2c-stm32f7.c +++ b/drivers/i2c/busses/i2c-stm32f7.c @@ -424,7 +424,7 @@ 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 - |