linux-kernel - Re: [PATCH 0/7] can: m_can: fix pm

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Message-ID: <20250813-shaggy-xanthic-griffin-23aede-mkl@pengutronix.de>
Date: Wed, 13 Aug 2025 11:06:54 +0200
From: Marc Kleine-Budde <mkl@...gutronix.de>
To: Philipp Zabel <p.zabel@...gutronix.de>
Cc: Chandrasekar Ramakrishnan <rcsekar@...sung.com>, 
	Vincent Mailhol <mailhol.vincent@...adoo.fr>, Patrik Flykt <patrik.flykt@...ux.intel.com>, 
	Dong Aisheng <b29396@...escale.com>, Fengguang Wu <fengguang.wu@...el.com>, 
	Varka Bhadram <varkabhadram@...il.com>, Wu Bo <wubo.oduw@...il.com>, 
	Markus Schneider-Pargmann <msp@...libre.com>, linux-kernel@...r.kernel.org, kernel@...gutronix.de, 
	linux-can@...r.kernel.org
Subject: Re: [PATCH 0/7] can: m_can: fix pm_runtime and CAN state handling

On 13.08.2025 10:17:49, Philipp Zabel wrote:
> On Di, 2025-08-12 at 19:36 +0200, Marc Kleine-Budde wrote:
> > The first patch fixes a pm_runtime imbalance in the m_can_platform
> > driver.
> > 
> > The rest of this series fixes the CAN state handling in the m_can
> > driver:
> > - add the missing state transition from from Error Warning back to
> >   Error Active (Patches 2+3)
> > - address the fact that in some SoCs (observed on the STM32MP15) the
> >   M_CAN IP core keeps the CAN state and CAN error counters over an
> >   internal reset cycle. Set the correct CAN state during ifup and
> >   system resume (Patches 4+5)
> > - add support for optional shared external reset, to properly reset
> >   the IP core (Patches 6+7)
> 
> Should this declare a dependency on
> https://lore.kernel.org/all/20250807-stm32mp15-m_can-add-reset-v2-1-f69ebbfced1f@pengutronix.de/
> or is that already merged?

Still open, reference added to the cover letter.

Marc

-- 
Pengutronix e.K.                 | Marc Kleine-Budde          |
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