From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtpout-04.galae.net (smtpout-04.galae.net [185.171.202.116]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id ED93C316183 for ; Wed, 22 Oct 2025 10:07:29 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=185.171.202.116 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1761127651; cv=none; b=VjUt8hKOwbDTLGoy4gAlv8fFRjG1J1lGYYy51cenDmAU8q360khT+61I5HWC8IW1z+qM9KGKWJxRxX/F31G9MxJsLjqj/yrlAKjN42DqMfmhqOdKI4/zjMAUJ7zPwYhAbV+f2gnowoGPDBiBpcdsZy0fxGkfziMMRLTH6xE0RWw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1761127651; c=relaxed/simple; bh=iFjjzRCUrFEqnFFuf8dtrADntolucnbypUul4hlI83E=; h=From:To:Cc:Subject:In-Reply-To:References:Date:Message-ID: MIME-Version:Content-Type; b=NuukZMYcgH9OBJlgmGPHc+vMO3oNqWKUVfQjvFyjgnVNTkOc6J6d8zzQXHM8SsZzkC00Ij+C9Uvi6S/fHPNLaYsTIan4uVnpBNs5+OthM/Lck8uffSp0Ap67bdNjE1rXwz3cIVuwJk8vFIQjTVFNJhdvfq0W32w63A1npZvjt1I= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=bootlin.com; spf=pass smtp.mailfrom=bootlin.com; dkim=pass (2048-bit key) header.d=bootlin.com header.i=@bootlin.com header.b=Dx1tBiyq; arc=none smtp.client-ip=185.171.202.116 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=bootlin.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=bootlin.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=bootlin.com header.i=@bootlin.com header.b="Dx1tBiyq" Received: from smtpout-01.galae.net (smtpout-01.galae.net [212.83.139.233]) by smtpout-04.galae.net (Postfix) with ESMTPS id 84814C0B8B3; Wed, 22 Oct 2025 10:07:08 +0000 (UTC) Received: from mail.galae.net (mail.galae.net [212.83.136.155]) by smtpout-01.galae.net (Postfix) with ESMTPS id 44C59606DC; Wed, 22 Oct 2025 10:07:28 +0000 (UTC) Received: from [127.0.0.1] (localhost [127.0.0.1]) by localhost (Mailerdaemon) with ESMTPSA id 11C60102F2393; Wed, 22 Oct 2025 12:07:24 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bootlin.com; s=dkim; t=1761127647; h=from:subject:date:message-id:to:cc:mime-version:content-type: content-transfer-encoding:in-reply-to:references; bh=iFjjzRCUrFEqnFFuf8dtrADntolucnbypUul4hlI83E=; b=Dx1tBiyqF0HvcOXwH/oDh9QgXjdUyAjD5CG6wdkoHHp9duLQx6526AU5IsWJ7SHkuFx23r VcY62jBSz6etYxQvTc1kacbaL2+CHOtMzTuBjgRQoD61VfroK6ytrnUPJEffcpZz9VZtoE 1pQgVNJQem5FQewPJZXa/dqBUxaQq3+5f7orZjC6Kj7Bs44V1aOM/3stV7mafxExABBcUP ana+cc9LZ2YQihtmSPFkloCOuIGGan6iZ0iGH45or8eXunorRy1CUo+KebGoK3MGK4t4OP DE1JxoGOC1SzcGQkLnFJGgK5JCZSEka2u7kix1st2QXLwA8hyyq9Q6I+wufaAQ== From: Miquel Raynal To: Alexander Usyskin Cc: Richard Weinberger , Vignesh Raghavendra , linux-mtd@lists.infradead.org, linux-kernel@vger.kernel.org, Andy Shevchenko , Reuven Abliyev , Lucas De Marchi Subject: Re: [PATCH v2] mtd: intel-dg: wake card on operations In-Reply-To: <20251021123246.3629282-1-alexander.usyskin@intel.com> (Alexander Usyskin's message of "Tue, 21 Oct 2025 15:32:46 +0300") References: <20251021123246.3629282-1-alexander.usyskin@intel.com> User-Agent: mu4e 1.12.7; emacs 30.2 Date: Wed, 22 Oct 2025 12:07:24 +0200 Message-ID: <87wm4ns10j.fsf@bootlin.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable X-Last-TLS-Session-Version: TLSv1.3 Hi Alexander, On 21/10/2025 at 15:32:46 +03, Alexander Usyskin 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 > Signed-off-by: Alexander Usyskin > --- 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, Miqu=C3=A8l