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From: Miquel Raynal <miquel.raynal@bootlin.com>
To: "Michael Walle" <mwalle@kernel.org>
Cc: "Pratyush Yadav" <pratyush@kernel.org>,
	 "Takahiro Kuwano" <takahiro.kuwano@infineon.com>,
	 "Richard Weinberger" <richard@nod.at>,
	"Vignesh Raghavendra" <vigneshr@ti.com>,
	 "Tudor Ambarus" <tudor.ambarus@linaro.org>,
	 "Thomas Petazzoni" <thomas.petazzoni@bootlin.com>,
	 <linux-mtd@lists.infradead.org>, <linux-kernel@vger.kernel.org>,
	 <stable@vger.kernel.org>
Subject: Re: [PATCH] mtd: spi-nor: Unprepare legacy controllers upon RWW wait interruption
Date: Wed, 12 Aug 2026 12:05:39 +0200	[thread overview]
Message-ID: <87ik5fmz64.fsf@bootlin.com> (raw)
In-Reply-To: <DKMVA2HIPB2Z.J0W6OM4H3ARL@kernel.org> (Michael Walle's message of "Wed, 12 Aug 2026 11:44:41 +0200")

Hello,

> On Tue Aug 11, 2026 at 5:56 PM CEST, Miquel Raynal wrote:
>> All the parallel locking helpers (spi_nor_prep_and_lock(),
>> spi_nor_prep_and_lock_pe() and spi_nor_prep_and_lock_rd()) call
>> spi_nor_prep() then wait with a killable sleep. If the sleep gets
>> killed, we leave the controller in its prepared state.
>>
>
> Why does this only affect legacy controllers?

Aren't ->prepare()/->unprepare() callbacks only implemented by legacy
spi-nor controllers?

Thanks,
Miquèl

______________________________________________________
Linux MTD discussion mailing list
http://lists.infradead.org/mailman/listinfo/linux-mtd/

WARNING: multiple messages have this Message-ID (diff)
From: Miquel Raynal <miquel.raynal@bootlin.com>
To: "Michael Walle" <mwalle@kernel.org>
Cc: "Pratyush Yadav" <pratyush@kernel.org>,
	 "Takahiro Kuwano" <takahiro.kuwano@infineon.com>,
	 "Richard Weinberger" <richard@nod.at>,
	"Vignesh Raghavendra" <vigneshr@ti.com>,
	 "Tudor Ambarus" <tudor.ambarus@linaro.org>,
	 "Thomas Petazzoni" <thomas.petazzoni@bootlin.com>,
	 <linux-mtd@lists.infradead.org>, <linux-kernel@vger.kernel.org>,
	 <stable@vger.kernel.org>
Subject: Re: [PATCH] mtd: spi-nor: Unprepare legacy controllers upon RWW wait interruption
Date: Wed, 12 Aug 2026 12:05:39 +0200	[thread overview]
Message-ID: <87ik5fmz64.fsf@bootlin.com> (raw)
In-Reply-To: <DKMVA2HIPB2Z.J0W6OM4H3ARL@kernel.org> (Michael Walle's message of "Wed, 12 Aug 2026 11:44:41 +0200")

Hello,

> On Tue Aug 11, 2026 at 5:56 PM CEST, Miquel Raynal wrote:
>> All the parallel locking helpers (spi_nor_prep_and_lock(),
>> spi_nor_prep_and_lock_pe() and spi_nor_prep_and_lock_rd()) call
>> spi_nor_prep() then wait with a killable sleep. If the sleep gets
>> killed, we leave the controller in its prepared state.
>>
>
> Why does this only affect legacy controllers?

Aren't ->prepare()/->unprepare() callbacks only implemented by legacy
spi-nor controllers?

Thanks,
Miquèl

  reply	other threads:[~2026-08-12 10:05 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-08-11 15:56 [PATCH] mtd: spi-nor: Unprepare legacy controllers upon RWW wait interruption Miquel Raynal
2026-08-11 15:56 ` Miquel Raynal
2026-08-12  9:44 ` Michael Walle
2026-08-12  9:44   ` Michael Walle
2026-08-12 10:05   ` Miquel Raynal [this message]
2026-08-12 10:05     ` Miquel Raynal
2026-08-12 10:33     ` Michael Walle
2026-08-12 10:33       ` Michael Walle
2026-08-12  9:52 ` Tudor Ambarus
2026-08-12  9:52   ` Tudor Ambarus
2026-08-12 10:02   ` Miquel Raynal
2026-08-12 10:02     ` Miquel Raynal

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