netdev - Re: [PATCH v3 1/2] arm64: dts: imx93: add the Flex-CAN stop mode by GPR

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Date: Thu, 3 Aug 2023 10:15:38 +0200
From: Marc Kleine-Budde <mkl@...gutronix.de>
To: haibo.chen@....com
Cc: robh+dt@...nel.org, krzysztof.kozlowski+dt@...aro.org,
	conor+dt@...nel.org, shawnguo@...nel.org, s.hauer@...gutronix.de,
	wg@...ndegger.com, kernel@...gutronix.de, linux-imx@....com,
	davem@...emloft.net, edumazet@...gle.com, kuba@...nel.org,
	pabeni@...hat.com, devicetree@...r.kernel.org,
	linux-can@...r.kernel.org, netdev@...r.kernel.org
Subject: Re: [PATCH v3 1/2] arm64: dts: imx93: add the Flex-CAN stop mode by
 GPR

On 26.07.2023 19:24:57, haibo.chen@....com wrote:
> From: Haibo Chen <haibo.chen@....com>
> 
> imx93 A0 chip use the internal q-channel handshake signal in LPCG
> and CCM to automatically handle the Flex-CAN stop mode. But this
> method meet issue when do the system PM stress test. IC can't fix
> it easily. So in the new imx93 A1 chip, IC drop this method, and
> involve back the old way，use the GPR method to trigger the Flex-CAN
> stop mode signal. Now NXP claim to drop imx93 A0, and only support
> imx93 A1. So here add the stop mode through GPR.
> 
> This patch also fix a typo for aonmix_ns_gpr.
> 
> Signed-off-by: Haibo Chen <haibo.chen@....com>

Added both to linux-can/testing.

Thanks,
Marc

-- 
Pengutronix e.K.                 | Marc Kleine-Budde          |
Embedded Linux                   | https://www.pengutronix.de |
Vertretung Nürnberg              | Phone: +49-5121-206917-129 |
Amtsgericht Hildesheim, HRA 2686 | Fax:   +49-5121-206917-9   |

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