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

From: Wolfgang Grandegger
Date: Wed Feb 09 2011 - 14:19:59 EST


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@xxxxxxxxxxxxxxx>
> ---
> 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.
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