From: Miquel Raynal <miquel.raynal@bootlin.com>
To: Linus Walleij <linusw@kernel.org>
Cc: Thomas Bogendoerfer <tsbogend@alpha.franken.de>,
Dmitry Torokhov <dmitry.torokhov@gmail.com>,
Bartosz Golaszewski <brgl@kernel.org>,
Richard Weinberger <richard@nod.at>,
Vignesh Raghavendra <vigneshr@ti.com>,
linux-mips@vger.kernel.org, linux-input@vger.kernel.org,
linux-gpio@vger.kernel.org, linux-mtd@lists.infradead.org
Subject: Re: [PATCH 2/2] MIPS/mtd: Handle READY GPIO in generic NAND platform data
Date: Mon, 30 Mar 2026 10:04:30 +0200 [thread overview]
Message-ID: <87a4vpbv5d.fsf@bootlin.com> (raw)
In-Reply-To: <20260328-mips-input-rb532-button-v1-2-98e201621501@kernel.org> (Linus Walleij's message of "Sat, 28 Mar 2026 16:55:48 +0100")
On 28/03/2026 at 16:55:48 +01, Linus Walleij <linusw@kernel.org> wrote:
> The callbacks into the MIPS RB532 platform to read the GPIO pin
> indicating that the NAND chip is ready are oldschool and does
> not assign GPIOs as properties to the NAND device.
>
> Add a capability to the generic platform NAND chip driver to use
> a GPIO line to detect if a NAND chip is ready and override the
> platform-local drv_ready() callback with this check if the GPIO
> is present.
>
> This makes it possible to drop the legacy include header
> <linux/gpio.h> from the RB532 devices.
>
> Signed-off-by: Linus Walleij <linusw@kernel.org>
> ---
> arch/mips/rb532/devices.c | 36 +++++++++++++++++++++---------------
> drivers/mtd/nand/raw/plat_nand.c | 24 +++++++++++++++++++++++-
Fine by me for the MTD bits!
Acked-by: Miquel Raynal <miquel.raynal@bootlin.com>
Thanks,
Miquèl
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prev parent reply other threads:[~2026-03-30 8:04 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-03-28 15:55 [PATCH 0/2] MIPS RB532 GPIO descriptor conversion Linus Walleij
2026-03-28 15:55 ` [PATCH 1/2] MIPS/input: Move RB532 button to GPIO descriptors Linus Walleij
2026-03-29 22:38 ` Dmitry Torokhov
2026-03-30 9:12 ` Bartosz Golaszewski
2026-03-28 15:55 ` [PATCH 2/2] MIPS/mtd: Handle READY GPIO in generic NAND platform data Linus Walleij
2026-03-30 8:04 ` Miquel Raynal [this message]
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