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From: Miquel Raynal <miquel.raynal@bootlin.com>
To: Alexander Usyskin <alexander.usyskin@intel.com>
Cc: Richard Weinberger <richard@nod.at>,
	 Vignesh Raghavendra <vigneshr@ti.com>,
	 linux-mtd@lists.infradead.org, linux-kernel@vger.kernel.org,
	 Andy Shevchenko <andriy.shevchenko@linux.intel.com>,
	 Reuven Abliyev <reuven.abliyev@intel.com>,
	 Lucas De Marchi <lucas.demarchi@intel.com>
Subject: Re: [PATCH v2] mtd: intel-dg: wake card on operations
Date: Wed, 22 Oct 2025 12:07:24 +0200	[thread overview]
Message-ID: <87wm4ns10j.fsf@bootlin.com> (raw)
In-Reply-To: <20251021123246.3629282-1-alexander.usyskin@intel.com> (Alexander Usyskin's message of "Tue, 21 Oct 2025 15:32:46 +0300")

Hi Alexander,

On 21/10/2025 at 15:32:46 +03, Alexander Usyskin <alexander.usyskin@intel.com> wrote:

> The Intel DG cards do not have separate power control for
> persistent memory.
> The memory is available when the whole card is awake.
>
> Enable runtime PM in mtd driver to notify parent graphics driver
> that whole card should be kept awake while nvm operations are
> performed through this driver.
>
> CC: Lucas De Marchi <lucas.demarchi@intel.com>
> Signed-off-by: Alexander Usyskin <alexander.usyskin@intel.com>
> ---

I am curious to know why this now works, whereas in your previous
attempt (which had to be reverted) we had to do a lot more.

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: Alexander Usyskin <alexander.usyskin@intel.com>
Cc: Richard Weinberger <richard@nod.at>,
	 Vignesh Raghavendra <vigneshr@ti.com>,
	 linux-mtd@lists.infradead.org, linux-kernel@vger.kernel.org,
	 Andy Shevchenko <andriy.shevchenko@linux.intel.com>,
	 Reuven Abliyev <reuven.abliyev@intel.com>,
	 Lucas De Marchi <lucas.demarchi@intel.com>
Subject: Re: [PATCH v2] mtd: intel-dg: wake card on operations
Date: Wed, 22 Oct 2025 12:07:24 +0200	[thread overview]
Message-ID: <87wm4ns10j.fsf@bootlin.com> (raw)
In-Reply-To: <20251021123246.3629282-1-alexander.usyskin@intel.com> (Alexander Usyskin's message of "Tue, 21 Oct 2025 15:32:46 +0300")

Hi Alexander,

On 21/10/2025 at 15:32:46 +03, Alexander Usyskin <alexander.usyskin@intel.com> wrote:

> The Intel DG cards do not have separate power control for
> persistent memory.
> The memory is available when the whole card is awake.
>
> Enable runtime PM in mtd driver to notify parent graphics driver
> that whole card should be kept awake while nvm operations are
> performed through this driver.
>
> CC: Lucas De Marchi <lucas.demarchi@intel.com>
> Signed-off-by: Alexander Usyskin <alexander.usyskin@intel.com>
> ---

I am curious to know why this now works, whereas in your previous
attempt (which had to be reverted) we had to do a lot more.

Thanks,
Miquèl

  parent reply	other threads:[~2025-10-22 10:07 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-10-21 12:32 [PATCH v2] mtd: intel-dg: wake card on operations Alexander Usyskin
2025-10-21 12:32 ` Alexander Usyskin
2025-10-21 14:50 ` Andy Shevchenko
2025-10-21 14:50   ` Andy Shevchenko
2025-10-22 10:07 ` Miquel Raynal [this message]
2025-10-22 10:07   ` Miquel Raynal
2025-10-22 14:26   ` Usyskin, Alexander
2025-10-22 14:26     ` Usyskin, Alexander

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