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[2620:137:e000::1:20]) by mx.google.com with ESMTP id z9-20020a170902834900b0019ccffb3fd3si8743453pln.509.2023.06.07.08.06.36; Wed, 07 Jun 2023 08:06:49 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@sberdevices.ru header.s=mail header.b=Y4ea4ubP; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=QUARANTINE sp=QUARANTINE dis=NONE) header.from=sberdevices.ru Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S241206AbjFGOzu (ORCPT + 99 others); Wed, 7 Jun 2023 10:55:50 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43978 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S240423AbjFGOzl (ORCPT ); Wed, 7 Jun 2023 10:55:41 -0400 Received: from mx.sberdevices.ru (mx.sberdevices.ru [45.89.227.171]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 086AE1734; Wed, 7 Jun 2023 07:55:35 -0700 (PDT) Received: from s-lin-edge02.sberdevices.ru (localhost [127.0.0.1]) by mx.sberdevices.ru (Postfix) with ESMTP id 21CBA5FD6C; Wed, 7 Jun 2023 17:55:34 +0300 (MSK) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=sberdevices.ru; s=mail; t=1686149734; bh=UYxiu6ewdp+Z+G0hkR1Ih5TEv7mk3kDcVza211h23bs=; h=From:To:Subject:Date:Message-ID:MIME-Version:Content-Type; b=Y4ea4ubPl2EX/G3JwfBKtSLh9YDYgcegMecXoCSFyohMyMHANghdnQJ2RMue8Vm4x NYArtsX9kHd194A73Jhg5A9eXPGzkk1IGt0D0tGjMjjg5+UhNMIkERg1+mHEl4XuI3 avna8yXBdJ16ZWYiPoJNwE2vhk+orOOYaKNJlQDVIQpLTPs5EAZQIsJd2LSPaJX4PE EuQIdfDZBQ0zjBNDWJTuuIiCzD5CFVYB/ZCDG5NpFoCViAaxNPuy8ALrX7vC7CXfQL /Sssye0DFy8tAqVBgijCPmbX+wmwq3xEVRoMoZ1KQVPJlSrPykNeA7aJTSLp6SayiR 3i80P0EU3uA/Q== Received: from S-MS-EXCH01.sberdevices.ru (S-MS-EXCH01.sberdevices.ru [172.16.1.4]) by mx.sberdevices.ru (Postfix) with ESMTP; Wed, 7 Jun 2023 17:55:31 +0300 (MSK) From: Arseniy Krasnov To: Liang Yang , Miquel Raynal , Richard Weinberger , Vignesh Raghavendra , Rob Herring , Krzysztof Kozlowski , Neil Armstrong , Kevin Hilman , Jerome Brunet , Martin Blumenstingl CC: , , Arseniy Krasnov , , , , , Subject: [PATCH v1 0/2] Meson NAND: waiting w/o wired ready/busy pin Date: Wed, 7 Jun 2023 17:50:23 +0300 Message-ID: <20230607145026.2899547-1-AVKrasnov@sberdevices.ru> X-Mailer: git-send-email 2.35.0 MIME-Version: 1.0 X-Originating-IP: [172.16.1.6] X-ClientProxiedBy: S-MS-EXCH01.sberdevices.ru (172.16.1.4) To S-MS-EXCH01.sberdevices.ru (172.16.1.4) X-KSMG-Rule-ID: 4 X-KSMG-Message-Action: clean X-KSMG-AntiSpam-Status: not scanned, disabled by settings X-KSMG-AntiSpam-Interceptor-Info: not scanned X-KSMG-AntiPhishing: not scanned, disabled by settings X-KSMG-AntiVirus: Kaspersky Secure Mail Gateway, version 1.1.2.30, bases: 2023/06/07 09:39:00 #21450961 X-KSMG-AntiVirus-Status: Clean, skipped X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,SPF_HELO_NONE,SPF_NONE, T_SCC_BODY_TEXT_LINE,URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= X-GMAIL-THRID: =?utf-8?q?1768056851919960523?= X-GMAIL-MSGID: =?utf-8?q?1768056851919960523?= Main thing that this patchset adds is support for waiting for command completion when there is no wired ready/busy pin. This is implemented by using Meson specific command which operates without wired pin, but supports interrupt driven waiting (default way for waiting without hardware pin is 'nand_soft_waitrdy()' which uses software loop instead of interrupt). To select which mode to use during driver initialization, common NAND controller property is used - 'nand-rb'. It is described in 'nand-controller.yaml'. But for Meson, its description was missed in 'amlogic,meson-nand.yaml', so this patchset also adds support for it. Patch for bindings was tested with dt_binding_check and dtbs_check. Arseniy Krasnov (2): dt-bindings: nand: meson: Fix 'nand-rb' property mtd: rawnand: meson: waiting w/o wired ready/busy pin .../bindings/mtd/amlogic,meson-nand.yaml | 7 ++ drivers/mtd/nand/raw/meson_nand.c | 82 ++++++++++++++++++- 2 files changed, 85 insertions(+), 4 deletions(-)