Re: [PATCH] can: flexcan: bump FLEXCAN_TIMEOUT_US to 250

[Marc Kleine-Budde]

On 3/7/19 4:00 PM, Rasmus Villemoes wrote:
> While trying to add support for the Flexcan modules on the MPC8309,
> I'm hitting ETIMEDOUT in flexcan_chip_disable(). With this, probing
> succeeds. Checking the leftover value of timeout with a primitive
> 
>   pr_err("%s: timeout==%d\n", __func__, timeout);
> 
> after the loop in chip_disable() typically shows values around 12-14,
> i.e. suggesting that it takes about 110-130 us for the LPM_ACK bit to
> appear. So a timeout value of about twice that seems reasonable.
> 
> Signed-off-by: Rasmus Villemoes <rasmus.villemoes@xxxxxxxxx>

I've scheduled the patch by Joakim Zhang:

    9daed89ae8a3 can: flexcan: fix timeout when set small bitrate

that doubles the timeout to 100.

Marc

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