From: Nicolas Le Bayon Date: Thu, 18 Apr 2019 15:32:42 +0000 (+0200) Subject: i2c: stm32f7: Fix SDADEL minimum formula X-Git-Tag: v2019.07-rc3~8^2~18 X-Git-Url: https://git.librecmc.org/?a=commitdiff_plain;h=e87da7521f922e3d0f6aaa6b162e872f8f39c649;p=oweals%2Fu-boot.git i2c: stm32f7: Fix SDADEL minimum formula It conforms with Reference Manual I2C timing section. Signed-off-by: Nicolas Le Bayon Reviewed-by: Patrick DELAUNAY Signed-off-by: Patrick Delaunay --- diff --git a/drivers/i2c/stm32f7_i2c.c b/drivers/i2c/stm32f7_i2c.c index 3872364d6b..e7e0268ebe 100644 --- a/drivers/i2c/stm32f7_i2c.c +++ b/drivers/i2c/stm32f7_i2c.c @@ -500,7 +500,7 @@ static int stm32_i2c_compute_solutions(struct stm32_i2c_setup *setup, af_delay_max = setup->analog_filter ? STM32_I2C_ANALOG_FILTER_DELAY_MAX : 0; - 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 -