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authorNicolas Le Bayon <nicolas.le.bayon@st.com>2019-03-06 15:12:16 +0000
committerWolfram Sang <wsa@the-dreams.de>2019-03-12 14:09:33 +0100
commitc86da50cfd840edf223a242580913692acddbcf6 (patch)
tree1f09a88330c9d6c26c335959b08668c100002316 /drivers/i2c
parent7ce98a5591d292c7630e2c6804ba0818a75a0f86 (diff)
downloadlinux-c86da50cfd840edf223a242580913692acddbcf6.tar.bz2
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.c2
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 -