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Message-ID: <20240506-imperial-taupe-deer-9132a5-mkl@pengutronix.de>
Date: Mon, 6 May 2024 12:02:44 +0200
From: Marc Kleine-Budde <mkl@...gutronix.de>
To: Gregor Herburger <gregor.herburger@...tq-group.com>
Cc: Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>,
Thomas Kopp <thomas.kopp@...rochip.com>, 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>, Rob Herring <robh@...nel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>, Conor Dooley <conor+dt@...nel.org>, linux-can@...r.kernel.org,
netdev@...r.kernel.org, linux-kernel@...r.kernel.org, devicetree@...r.kernel.org,
linux@...tq-group.com
Subject: Re: [PATCH v2 0/6] can: mcp251xfd: add gpio functionality
On 06.05.2024 07:59:42, Gregor Herburger wrote:
> Hi all,
>
> The mcp251xfd allows two pins to be configured as GPIOs. This series
> adds support for this feature.
>
> The GPIO functionality is controlled with the IOCON register which has
> an erratum. The second patch is to work around this erratum. I am not
^^^^^^
> sure if the place for the check and workaround in
> mcp251xfd_regmap_crc_write is correct or if the check could be bypassed
> with a direct call to mcp251xfd_regmap_crc_gather_write. If you have a
> better suggestion where to add the check please let me know.
Yes, better move the workaround to mcp251xfd_regmap_crc_gather_write().
I don't remember under which circumstances regmap uses the
gather_write() or the write() function.
> Patch 1-3 from https://lore.kernel.org/linux-can/20240429-mcp251xfd-runtime_pm-v1-0-c26a93a66544@pengutronix.de/
Nitpick: Please add your S-o-b to these patches.
Marc
--
Pengutronix e.K. | Marc Kleine-Budde |
Embedded Linux | https://www.pengutronix.de |
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