From: Miquel Raynal <miquel.raynal@bootlin.com>
To: Tianyu Xu <xtydtc@gmail.com>
Cc: broonie@kernel.org, linux-spi@vger.kernel.org,
Tianyu Xu <tianyxu@cisco.com>
Subject: Re: [PATCH] spi: spi-mem: add spi_mem_adjust_op_freq() in spi_mem_supports_op()
Date: Tue, 05 Aug 2025 09:41:26 +0200 [thread overview]
Message-ID: <8734a6jjvd.fsf@bootlin.com> (raw)
In-Reply-To: <20250805015403.43928-1-tianyxu@cisco.com> (Tianyu Xu's message of "Tue, 5 Aug 2025 09:54:03 +0800")
Hello,
On 05/08/2025 at 09:54:03 +08, Tianyu Xu <xtydtc@gmail.com> wrote:
> The function spi_mem_adjust_op_freq() within spi_mem_exec_op() adjusts
> the op->max_freq, which will informs the SPI controller of the maximum
> frequency for each operation. This adjustment is based on combined
> information from the SPI device and the board's wiring conditions.
> Similarly, spi_mem_supports_op() will check the capabilities of the SPI
> controller. It also requires the combined information before it can
> accurately determine whether the SPI controller supports a given operation.
>
> Signed-off-by: Tianyu Xu <tianyxu@cisco.com>
That's correct.
Reviewed-by: Miquel Raynal <miquel.raynal@bootlin.com>
Thanks,
Miquèl
next prev parent reply other threads:[~2025-08-05 7:41 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-08-05 1:54 [PATCH] spi: spi-mem: add spi_mem_adjust_op_freq() in spi_mem_supports_op() Tianyu Xu
2025-08-05 7:41 ` Miquel Raynal [this message]
2025-08-06 13:55 ` Mark Brown
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