On Mon, Jul 22, 2019 at 09:05:56PM +0200, Michał Mirosław wrote:
>
> In SAMA5D2 datasheet, TWIHS_CWGR register rescription mentions clock
> offset of 3 cycles (compared to 4 in eg. SAMA5D3).
>
> Cc: stable@xxxxxxxxxxxxxxx # 5.2.x
> [needs applying to i2c-at91.c instead for earlier kernels]
> Fixes: 0ef6f3213dac ("i2c: at91: add support for new alternative command mode")
> Signed-off-by: Michał Mirosław <mirq-linux@xxxxxxxxxxxx>
Acked-by: Ludovic Desroches <ludovic.desroches@xxxxxxxxxxxxx>
Thanks
> ---
> drivers/i2c/busses/i2c-at91-core.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/i2c/busses/i2c-at91-core.c b/drivers/i2c/busses/i2c-at91-core.c
> index 8d55cdd69ff4..435c7d7377a3 100644
> --- a/drivers/i2c/busses/i2c-at91-core.c
> +++ b/drivers/i2c/busses/i2c-at91-core.c
> @@ -142,7 +142,7 @@ static struct at91_twi_pdata sama5d4_config = {
>
> static struct at91_twi_pdata sama5d2_config = {
> .clk_max_div = 7,
> - .clk_offset = 4,
> + .clk_offset = 3,
> .has_unre_flag = true,
> .has_alt_cmd = true,
> .has_hold_field = true,
> --
> 2.20.1
>
