linux-kernel - Re: [PATCH v2 0/7] can: m_can: Fix polling and other issues

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Message-ID: <ab4b649b32ca9a1287e5d1dc3629557975b7152f.camel@ew.tq-group.com>
Date: Wed, 07 Aug 2024 10:10:56 +0200
From: Matthias Schiffer <matthias.schiffer@...tq-group.com>
To: Markus Schneider-Pargmann <msp@...libre.com>
Cc: Linux regression tracking <regressions@...mhuis.info>, 
 linux-can@...r.kernel.org, netdev@...r.kernel.org,
 linux-kernel@...r.kernel.org,  Chandrasekar Ramakrishnan
 <rcsekar@...sung.com>, Marc Kleine-Budde <mkl@...gutronix.de>, Vincent
 Mailhol <mailhol.vincent@...adoo.fr>, "David S.Miller"
 <davem@...emloft.net>, Eric Dumazet <edumazet@...gle.com>, Jakub Kicinski
 <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>,  Martin
 Hundebøll <martin@...nix.com>, Judith Mendez
 <jm@...com>, Tony Lindgren <tony@...mide.com>,  Simon Horman
 <horms@...nel.org>, linux@...tq-group.com
Subject: Re: [PATCH v2 0/7] can: m_can: Fix polling and other issues

On Mon, 2024-08-05 at 20:30 +0200, Markus Schneider-Pargmann wrote:
> Hi everyone,
> 
> these are a number of fixes for m_can that fix polling mode and some
> other issues that I saw while working on the code.
> 
> Any testing and review is appreciated.

Hi Markus,

thanks for the series. I gave it a quick spin on the interrupt-less AM62x CAN, and found that it
fixes the deadlock I reported and makes CAN usable again.

For the whole series:

Tested-by: Matthias Schiffer <matthias.schiffer@...tq-group.com>




> 
> Base
> ----
> v6.11-rc1
> 
> Changes in v2
> -------------
>  - Fixed one multiline comment
>  - Rebased to v6.11-rc1
> 
> Previous versions
> -----------------
>  v1: https://lore.kernel.org/lkml/20240726195944.2414812-1-msp@baylibre.com/
> 
> Best,
> Markus
> 
> Markus Schneider-Pargmann (7):
>   can: m_can: Reset coalescing during suspend/resume
>   can: m_can: Remove coalesing disable in isr during suspend
>   can: m_can: Remove m_can_rx_peripheral indirection
>   can: m_can: Do not cancel timer from within timer
>   can: m_can: disable_all_interrupts, not clear active_interrupts
>   can: m_can: Reset cached active_interrupts on start
>   can: m_can: Limit coalescing to peripheral instances
> 
>  drivers/net/can/m_can/m_can.c | 111 ++++++++++++++++++++--------------
>  1 file changed, 66 insertions(+), 45 deletions(-)
> 

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