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From: Michael Walle <michael@walle.cc>
To: Jiaqing Zhao <jiaqing.zhao@linux.intel.com>
Cc: linux-mtd@lists.infradead.org,
	Tudor Ambarus <tudor.ambarus@microchip.com>,
	Pratyush Yadav <p.yadav@ti.com>
Subject: Re: [PATCH 1/2] mtd: spi-nor: macronix: Add support for mx66l2g45g
Date: Mon, 23 May 2022 13:59:47 +0200	[thread overview]
Message-ID: <24cf182693a522ed1f7afd61c7c37029@walle.cc> (raw)
In-Reply-To: <2bf3394e-0a78-c760-16ce-936c12b66b93@linux.intel.com>

Hi,

Am 2022-05-23 12:12, schrieb Jiaqing Zhao:
>> Am 2022-05-23 10:50, schrieb Jiaqing Zhao:
>>> Yes this one supports SFDP according to its spec.
>>> 
>>> On my setup, I cannot see the sysfs object. Do I need to enable some 
>>> specific
>>> kernel config or it's SPI controller related? My setup is running 
>>> kernel 5.15.
>> 
>> No, it should be there since v5.14. See commit 36ac02286265. And you 
>> shouldn't
>> need to enable any special configuration option.
>> 
>> Did you do a "find /sys -name sfdp"?
>> 
>> -michael
> 
> I tried, it give empty result. The system I'm working on disables 
> kernel module,
> and the SPI controller driver calls spi_nor_probe() directly, will this 
> be the
> issue?
> 
> And is it possible to manually load the spi-nor driver via the bind 
> interface?
> If it is possible, what should the parameters be?

Is your spi flash probed at all?

-michael

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  reply	other threads:[~2022-05-23 12:28 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-05-22  5:48 [PATCH 1/2] mtd: spi-nor: macronix: Add support for mx66l2g45g Jiaqing Zhao
2022-05-22  5:48 ` [PATCH 2/2] mtd: spi-nor: micron: Add SPI_NOR_DUAL_READ flag on mt25ql02g Jiaqing Zhao
2022-07-21  7:59   ` Tudor.Ambarus
2022-05-23  7:54 ` [PATCH 1/2] mtd: spi-nor: macronix: Add support for mx66l2g45g Michael Walle
2022-05-23  8:50   ` Jiaqing Zhao
2022-05-23  8:56     ` Michael Walle
2022-05-23 10:12       ` Jiaqing Zhao
2022-05-23 11:59         ` Michael Walle [this message]
2022-05-23 12:18           ` Jiaqing Zhao

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