Re: [PATCH v6 01/11] mtd: core: always create master device

From: Richard Weinberger <richard@nod.at>
To: Alexander Usyskin <alexander.usyskin@intel.com>
Cc: "Miquel Raynal" <miquel.raynal@bootlin.com>,
	"Guenter Roeck" <linux@roeck-us.net>,
	"Vignesh Raghavendra" <vigneshr@ti.com>,
	"Lucas De Marchi" <lucas.demarchi@intel.com>,
	"Thomas Hellström" <thomas.hellstrom@linux.intel.com>,
	"Rodrigo Vivi" <rodrigo.vivi@intel.com>,
	"Maarten Lankhorst" <maarten.lankhorst@linux.intel.com>,
	"Maxime Ripard" <mripard@kernel.org>,
	"Thomas Zimmermann" <tzimmermann@suse.de>,
	"David Airlie" <airlied@gmail.com>,
	"Simona Vetter" <simona@ffwll.ch>,
	"Jani Nikula" <jani.nikula@linux.intel.com>,
	"Joonas Lahtinen" <joonas.lahtinen@linux.intel.com>,
	"Tvrtko Ursulin" <tursulin@ursulin.net>,
	"Karthik Poosa" <karthik.poosa@intel.com>,
	"Reuven Abliyev" <reuven.abliyev@intel.com>,
	"Oren Weil" <oren.jer.weil@intel.com>,
	linux-mtd <linux-mtd@lists.infradead.org>,
	"DRI mailing list" <dri-devel@lists.freedesktop.org>,
	intel-gfx <intel-gfx@lists.freedesktop.org>,
	linux-kernel <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH v6 01/11] mtd: core: always create master device
Date: Thu, 12 Jun 2025 12:25:30 +0200 (CEST)	[thread overview]
Message-ID: <1466250376.134375386.1749723930972.JavaMail.zimbra@nod.at> (raw)
In-Reply-To: <CY5PR11MB6366DA38B20B29C1662BDC76ED74A@CY5PR11MB6366.namprd11.prod.outlook.com>

----- Ursprüngliche Mail -----
> Von: "Alexander Usyskin" <alexander.usyskin@intel.com>
> In general, it is fine for me - we have parent mtd initialized and participating
> in power management.
> 
> I can't see how to bend idr_alloc to allocate from the end and corner case
> of full idr range is also will be problematic.

I expected it to work because we can track the highest mtd ID and pass limits
to idr_alloc(), no?

Thanks,
//richard

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