Subject: Re: [PATCH 1/3] pch_can: fix 800k comms issue

From: Wolfgang Grandegger <[email-masked]>
Date: Wed, 09 Feb 2011 20:21:49 +0100

Hi Tomoya,

On 02/08/2011 10:29 AM, Tomoya MORINAGA wrote:
> Currently, 800k comms fails since prop_seg set zero.
> (EG20T PCH CAN register of prop_seg must be set more than 1)
> To prevent prop_seg set to zero, change tseg2_min 1 to 2.
> 
> Signed-off-by: Tomoya MORINAGA <tomoya-linux-ECg8zkTtlr0C6LszWs/[email-masked]>
> ---
>  drivers/net/can/pch_can.c |    2 +-
>  1 files changed, 1 insertions(+), 1 deletions(-)
> 
> diff --git a/drivers/net/can/pch_can.c b/drivers/net/can/pch_can.c
> index c42e972..9b171d1 100644
> --- a/drivers/net/can/pch_can.c
> +++ b/drivers/net/can/pch_can.c
> @@ -187,7 +187,7 @@ static struct can_bittiming_const pch_can_bittiming_const = {
>  	.name = KBUILD_MODNAME,
>  	.tseg1_min = 1,
>  	.tseg1_max = 16,
> -	.tseg2_min = 1,
> +	.tseg2_min = 2,
>  	.tseg2_max = 8,
>  	.sjw_max = 4,
>  	.brp_min = 1,

I just realized that this fix is wrong. You wanted to set tseg1_min to 2
(and not tseg2_min). Could you please send a patch?

Thanks,

Wolfgang.