netdev - Re: [PATCH net-next 1/2] can: sja1000: Prepare the use of a threaded handler

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Message-ID: <20230620-unicycle-wifi-fbc8d73e51fb-mkl@pengutronix.de>
Date: Tue, 20 Jun 2023 15:27:06 +0200
From: Marc Kleine-Budde <mkl@...gutronix.de>
To: Miquel Raynal <miquel.raynal@...tlin.com>
Cc: Wolfgang Grandegger <wg@...ndegger.com>, linux-can@...r.kernel.org,
	"David S. Miller" <davem@...emloft.net>,
	Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>,
	Eric Dumazet <edumazet@...gle.com>, netdev@...r.kernel.org,
	Sylvain Girard <sylvain.girard@...com>,
	Pascal Eberhard <pascal.eberhard@...com>,
	Thomas Petazzoni <thomas.petazzoni@...tlin.com>,
	Herve Codina <herve.codina@...tlin.com>,
	Jérémie Dautheribes <jeremie.dautheribes@...tlin.com>
Subject: Re: [PATCH net-next 1/2] can: sja1000: Prepare the use of a threaded
 handler

On 16.06.2023 15:45:52, Miquel Raynal wrote:
> In order to support a flavor of the sja1000 which sometimes freezes, it
> will be needed upon certain interrupts to perform a soft reset. The soft
> reset operation takes a bit of time, so better not do it within the hard
> interrupt handler but rather in a threaded handler. Let's prepare the
> possibility for sja1000_err() to request "interrupting" the current flow
> and request the threaded handler to be run while keeping the interrupt
> line low.
> 
> There is no functional change.

Applied both to linux-can-next.

Thanks,
Marc

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