linux-kernel - Re: [PATCH 0/3] mtd: maps: vmu-flash: Fix build and runtime errors

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Message-ID: <6e2e9edcd9247c216bfe1ba637629a9a838f9fed.camel@physik.fu-berlin.de>
Date: Tue, 18 Nov 2025 08:31:22 +0100
From: John Paul Adrian Glaubitz <glaubitz@...sik.fu-berlin.de>
To: Florian Fuchs <fuchsfl@...il.com>, Miquel Raynal
 <miquel.raynal@...tlin.com>,  Richard Weinberger	 <richard@....at>, Vignesh
 Raghavendra <vigneshr@...com>, 	linux-mtd@...ts.infradead.org
Cc: linux-sh@...r.kernel.org, linux-kernel@...r.kernel.org, Rich Felker
	 <dalias@...c.org>, Artur Rojek <contact@...ur-rojek.eu>
Subject: Re: [PATCH 0/3] mtd: maps: vmu-flash: Fix build and runtime errors

Hi Florian,

On Mon, 2025-11-17 at 23:44 +0100, Florian Fuchs wrote:
> This small series fixes build and runtime errors in the vmu-flash driver
> (enabled by CONFIG_MTD_VMU) and the included maple.h. These changes were
> verified on real Dreamcast hardware with a physical VMU. The VMU can now
> be successfully probed, read and written with MTD tools like mtd_info and
> mtd_debug. Previously, the driver failed to build or crashed during
> probing.
> 
> 	bash-5.3# mtdinfo /dev/mtd0
> 	mtd0
> 	Name:                           vmu2.1.0
> 	Type:                           mlc-nand
> 	Eraseblock size:                512 bytes
> 	Amount of eraseblocks:          256 (131072 bytes, 128.0 KiB)
> 	Minimum input/output unit size: 512 bytes
> 	Sub-page size:                  512 bytes
> 	Character device major/minor:   90:0
> 	Bad blocks are allowed:         true
> 	Device is writable:             true

Thanks again for this series. Before this can be picked up, I would like again
Artur Rojek to test it on his Dreamcast, so let's loop him in.

If he confirms the functionality, I'll pick it up. I'll try to get it reviewed
later this week.

Adrian

-- 
 .''`.  John Paul Adrian Glaubitz
: :' :  Debian Developer
`. `'   Physicist
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