linux-kernel - Re: [PATCH v2 1/2] spi: stm32_qspi: Add transfer_one

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Date:   Wed, 10 Aug 2022 14:06:46 +0100
From:   Mark Brown <broonie@...nel.org>
To:     patrice.chotard@...s.st.com
Cc:     Alexandre Torgue <alexandre.torgue@...s.st.com>,
        linux-spi@...r.kernel.org,
        linux-stm32@...md-mailman.stormreply.com,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        christophe.kerello@...s.st.com
Subject: Re: [PATCH v2 1/2] spi: stm32_qspi: Add transfer_one_message() spi
 callback

On Wed, Aug 10, 2022 at 11:32:14AM +0200, patrice.chotard@...s.st.com wrote:

> Signed-off-by: Patrice Chotard <patrice.chotard@...s.st.com>
> 
> v2: _ use parallel-memories property
>     _ set auto_runtime_pm to true
>     _ remove pm_runtime_*() usage in transfer_one_message() callback
> ---

The changelog should come after the --- so that it gets automatically
stripped out by tooling.  No need to resend just for this.

> +	/*
> +	 * Dual flash mode is only enable in case "parallel-memories" and
> +	 * "cs-gpios" properties are found in DT
> +	 */
> +	if (of_property_read_bool(dev->of_node, "parallel-memories") &&
> +	    of_gpio_named_count(dev->of_node, "cs-gpios")) {
> +		qspi->cr_reg = CR_DFM;
> +		dev_dbg(dev, "Dual flash mode enable");
> +	}

Do we need to add something to the DT bindings to indicate that
parallel-memories is valid?

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