linux-kernel - Re: [PATCH 1/9] regmap: spi: Set regmap max raw r/w from max_transfer

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Message-ID: <20210824164245.GH4393@sirena.org.uk>
Date:   Tue, 24 Aug 2021 17:42:45 +0100
From:   Mark Brown <broonie@...nel.org>
To:     Lucas Tanure <tanureal@...nsource.cirrus.com>
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        "Rafael J . Wysocki" <rafael@...nel.org>,
        Sanjay R Mehta <sanju.mehta@....com>,
        Nehal Bakulchandra Shah <Nehal-Bakulchandra.shah@....com>,
        linux-kernel@...r.kernel.org, linux-spi@...r.kernel.org,
        patches@...nsource.cirrus.com
Subject: Re: [PATCH 1/9] regmap: spi: Set regmap max raw r/w from
 max_transfer_size

On Tue, Aug 24, 2021 at 11:40:33AM +0100, Lucas Tanure wrote:

> +	if (master->max_transfer_size) {
> +		bus = kmemdup(&regmap_spi, sizeof(*bus), GFP_KERNEL);

We shouldn't be peering into the controller structure, use
spi_max_transfer_size() instead.

> +		bus->max_raw_read = bus->max_raw_write = master->max_transfer_size(spi);

Just write two assignment statements, it's more legible all round.

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