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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

WARNING: multiple messages have this Message-ID (diff)
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

______________________________________________________
Linux MTD discussion mailing list
http://lists.infradead.org/mailman/listinfo/linux-mtd/

  reply	other threads:[~2026-03-30  8:04 UTC|newest]

Thread overview: 14+ 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 ` Linus Walleij
2026-03-28 15:55 ` [PATCH 1/2] MIPS/input: Move RB532 button to GPIO descriptors Linus Walleij
2026-03-28 15:55   ` Linus Walleij
2026-03-29 22:38   ` Dmitry Torokhov
2026-03-29 22:38     ` Dmitry Torokhov
2026-03-30  9:12   ` Bartosz Golaszewski
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
2026-03-28 15:55   ` Linus Walleij
2026-03-30  8:04   ` Miquel Raynal [this message]
2026-03-30  8:04     ` Miquel Raynal
2026-04-13 13:43 ` [PATCH 0/2] MIPS RB532 GPIO descriptor conversion Thomas Bogendoerfer
2026-04-13 13:43   ` Thomas Bogendoerfer

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