From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtpout-03.galae.net (smtpout-03.galae.net [185.246.85.4]) (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 7A4E639E184 for ; Mon, 30 Mar 2026 08:04:42 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=185.246.85.4 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1774857884; cv=none; b=p98JDVkdOWssbwnWvgs0AlDddznIeLupvkj7AiM57zVJ+ZkAVO+9fsdsyRiVBAajmz2XnnhJXGdx2jCtrM1aZozJEdwboBMrVSF7QcduXeI9jS7rnqo8ikXNV3/nxlhYGCRZvoA5wixX/gNhi+zrqFR+3MkBClH02fy3RtV6mXk= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1774857884; c=relaxed/simple; bh=NI+dDSFb+B4wbwRhOwzVtiWfHdckWtXrPaqJM/br4Gw=; h=From:To:Cc:Subject:In-Reply-To:References:Date:Message-ID: MIME-Version:Content-Type; b=W75iCgBh1oBKnW51806PJEYzFWRCXmILhX0opGEFeb1g8kvLXsRKX8b2kfrbuPWG3RxGvidwV0VAU2+fXvpMZaX+t3p45ZN7yt53fKAw4B6C5wMmY/guTYiLeZhRYQ2O/wuRYJwknjj7HETfxJe663CnVt3Ef7NQOxxWXKzMqEc= 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=BuLAqCs+; arc=none smtp.client-ip=185.246.85.4 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="BuLAqCs+" Received: from smtpout-01.galae.net (smtpout-01.galae.net [212.83.139.233]) by smtpout-03.galae.net (Postfix) with ESMTPS id DA4644E4286F; Mon, 30 Mar 2026 08:04:34 +0000 (UTC) Received: from mail.galae.net (mail.galae.net [212.83.136.155]) by smtpout-01.galae.net (Postfix) with ESMTPS id A8E525FFA8; Mon, 30 Mar 2026 08:04:34 +0000 (UTC) Received: from [127.0.0.1] (localhost [127.0.0.1]) by localhost (Mailerdaemon) with ESMTPSA id CC6F110451B68; Mon, 30 Mar 2026 10:04:30 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bootlin.com; s=dkim; t=1774857874; h=from:subject:date:message-id:to:cc:mime-version:content-type: content-transfer-encoding:in-reply-to:references; bh=e9yXhXYtA6S7FCEzYya4xIi0QVtCAmYf97xEC+a39pE=; b=BuLAqCs+HBjveDvPLCofBbG3aZy+a93jX/iMOoC574ORAOecwYhDZ09PuPx2PYleznVEuX F+SVcj/mvXpWnUqakXVfj+24ofCXLNpg87FiS2fkHDdD+N3uvb1Bn7M50LKueAwkimYCwo F/ebg/i4BGA104opCHdNPWw1/pDQjewsSbM95bsM5WAhx8lkUEI5YEXlVgKMOp3K7ZrEWc gVT/CrDIU/adbPBjqFewfx+8OGL8KnGZz9vUtT3JdgwqkiZbe7+ynqPhXmf/ozL6pj7INl VBJN8D7+dUhrOX1ksxOMMzZVABbl7TaBhcjPKVIQuxBi1Ov5yE84uCqiP9rQTA== From: Miquel Raynal To: Linus Walleij Cc: Thomas Bogendoerfer , Dmitry Torokhov , Bartosz Golaszewski , Richard Weinberger , Vignesh Raghavendra , 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 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") References: <20260328-mips-input-rb532-button-v1-0-98e201621501@kernel.org> <20260328-mips-input-rb532-button-v1-2-98e201621501@kernel.org> User-Agent: mu4e 1.12.7; emacs 30.2 Date: Mon, 30 Mar 2026 10:04:30 +0200 Message-ID: <87a4vpbv5d.fsf@bootlin.com> Precedence: bulk X-Mailing-List: linux-gpio@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 On 28/03/2026 at 16:55:48 +01, Linus Walleij 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 > from the RB532 devices. > > Signed-off-by: Linus Walleij > --- > arch/mips/rb532/devices.c | 36 +++++++++++++++++++++-------------= -- > drivers/mtd/nand/raw/plat_nand.c | 24 +++++++++++++++++++++++- Fine by me for the MTD bits! 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bh=e9yXhXYtA6S7FCEzYya4xIi0QVtCAmYf97xEC+a39pE=; b=BuLAqCs+HBjveDvPLCofBbG3aZy+a93jX/iMOoC574ORAOecwYhDZ09PuPx2PYleznVEuX F+SVcj/mvXpWnUqakXVfj+24ofCXLNpg87FiS2fkHDdD+N3uvb1Bn7M50LKueAwkimYCwo F/ebg/i4BGA104opCHdNPWw1/pDQjewsSbM95bsM5WAhx8lkUEI5YEXlVgKMOp3K7ZrEWc gVT/CrDIU/adbPBjqFewfx+8OGL8KnGZz9vUtT3JdgwqkiZbe7+ynqPhXmf/ozL6pj7INl VBJN8D7+dUhrOX1ksxOMMzZVABbl7TaBhcjPKVIQuxBi1Ov5yE84uCqiP9rQTA== From: Miquel Raynal To: Linus Walleij Cc: Thomas Bogendoerfer , Dmitry Torokhov , Bartosz Golaszewski , Richard Weinberger , Vignesh Raghavendra , 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 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") References: <20260328-mips-input-rb532-button-v1-0-98e201621501@kernel.org> <20260328-mips-input-rb532-button-v1-2-98e201621501@kernel.org> User-Agent: mu4e 1.12.7; emacs 30.2 Date: Mon, 30 Mar 2026 10:04:30 +0200 Message-ID: <87a4vpbv5d.fsf@bootlin.com> MIME-Version: 1.0 X-Last-TLS-Session-Version: TLSv1.3 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260330_010442_451206_A6FD52DE X-CRM114-Status: GOOD ( 12.65 ) X-BeenThere: linux-mtd@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Sender: "linux-mtd" Errors-To: linux-mtd-bounces+linux-mtd=archiver.kernel.org@lists.infradead.org T24gMjgvMDMvMjAyNiBhdCAxNjo1NTo0OCArMDEsIExpbnVzIFdhbGxlaWogPGxpbnVzd0BrZXJu ZWwub3JnPiB3cm90ZToKCj4gVGhlIGNhbGxiYWNrcyBpbnRvIHRoZSBNSVBTIFJCNTMyIHBsYXRm b3JtIHRvIHJlYWQgdGhlIEdQSU8gcGluCj4gaW5kaWNhdGluZyB0aGF0IHRoZSBOQU5EIGNoaXAg aXMgcmVhZHkgYXJlIG9sZHNjaG9vbCBhbmQgZG9lcwo+IG5vdCBhc3NpZ24gR1BJT3MgYXMgcHJv cGVydGllcyB0byB0aGUgTkFORCBkZXZpY2UuCj4KPiBBZGQgYSBjYXBhYmlsaXR5IHRvIHRoZSBn ZW5lcmljIHBsYXRmb3JtIE5BTkQgY2hpcCBkcml2ZXIgdG8gdXNlCj4gYSBHUElPIGxpbmUgdG8g ZGV0ZWN0IGlmIGEgTkFORCBjaGlwIGlzIHJlYWR5IGFuZCBvdmVycmlkZSB0aGUKPiBwbGF0Zm9y bS1sb2NhbCBkcnZfcmVhZHkoKSBjYWxsYmFjayB3aXRoIHRoaXMgY2hlY2sgaWYgdGhlIEdQSU8K PiBpcyBwcmVzZW50Lgo+Cj4gVGhpcyBtYWtlcyBpdCBwb3NzaWJsZSB0byBkcm9wIHRoZSBsZWdh Y3kgaW5jbHVkZSBoZWFkZXIKPiA8bGludXgvZ3Bpby5oPiBmcm9tIHRoZSBSQjUzMiBkZXZpY2Vz Lgo+Cj4gU2lnbmVkLW9mZi1ieTogTGludXMgV2FsbGVpaiA8bGludXN3QGtlcm5lbC5vcmc+Cj4g LS0tCj4gIGFyY2gvbWlwcy9yYjUzMi9kZXZpY2VzLmMgICAgICAgIHwgMzYgKysrKysrKysrKysr KysrKysrKysrLS0tLS0tLS0tLS0tLS0tCj4gIGRyaXZlcnMvbXRkL25hbmQvcmF3L3BsYXRfbmFu ZC5jIHwgMjQgKysrKysrKysrKysrKysrKysrKysrKystCgpGaW5lIGJ5IG1lIGZvciB0aGUgTVRE IGJpdHMhCgpBY2tlZC1ieTogTWlxdWVsIFJheW5hbCA8bWlxdWVsLnJheW5hbEBib290bGluLmNv bT4KClRoYW5rcywKTWlxdcOobAoKX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fCkxpbnV4IE1URCBkaXNjdXNzaW9uIG1haWxpbmcgbGlzdApodHRw Oi8vbGlzdHMuaW5mcmFkZWFkLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2xpbnV4LW10ZC8K