[Linux-stm32] [PATCH] i2c: i2c-stm32f7: Fix SDADEL minimum formula

[Pierre Yves MORDRET]

Hi

Reviewed-by: Pierre-Yves MORDRET <pierre-yves.mordret at st.com>

Thanks

On 3/6/19 4:12 PM, Bich HEMON wrote:
> From: Nicolas Le Bayon <nicolas.le.bayon at st.com>
> 
> It conforms with Reference Manual I2C timing section.
> 
> Signed-off-by: Nicolas Le Bayon <nicolas.le.bayon at st.com>
> Signed-off-by: Bich Hemon <bich.hemon at st.com>
> ---
>  drivers/i2c/busses/i2c-stm32f7.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/i2c/busses/i2c-stm32f7.c b/drivers/i2c/busses/i2c-stm32f7.c
> index 13e1213..4284fc9 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 -
>