From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 463DBC79F99 for ; Tue, 8 Sep 2026 14:23:10 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:Message-ID:Date:References :In-Reply-To:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=MaVhwgw+n95ER7jtLvIGgV4gZIjfk5rFwam0PT5Qyrg=; b=LCGD9UAM4V3IQm YhTULQh8kSiLVTyMDyVwpQG0Gg6QENlhytNGxN6As/bTrkaC1ox9ePcgJCfTARdASD/MZW0cOcrXu 8+3VL0cfWQUEEgaPb69dma0MgLJIiRYjqjlftGI9bde5uBdhWhBuUX8aU0xtlAPObHe8EzINIbe5A 3NjAlaySzS7pFcy4/TWWFCr0COkjqzWMw2I0AIgCy9P1x2Ui+RDvBLm1/JiNEtMPtS+KTOeoSoXEr 3vf4ZsHAcfXiGtArSwXTvaguvucrcNnXvZY1P9jVwIT3zEsElQOoLsJt47qtMhthlwldLtOcj5c6k PS/eIw965U/7kGzNeKFg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1x3wj2-00000009GQU-1mN5; Tue, 08 Sep 2026 14:23:04 +0000 Received: from smtpout-02.galae.net ([185.246.84.56]) by bombadil.infradead.org with esmtps (Exim 4.99.1 #2 (Red Hat Linux)) id 1x3wiz-00000009GPb-0gLZ for linux-mtd@lists.infradead.org; Tue, 08 Sep 2026 14:23:03 +0000 Received: from smtpout-01.galae.net (smtpout-01.galae.net [212.83.139.233]) by smtpout-02.galae.net (Postfix) with ESMTPS id CF2391A1A5F; Tue, 8 Sep 2026 14:22:55 +0000 (UTC) Received: from mail.galae.net (mail.galae.net [212.83.136.155]) by smtpout-01.galae.net (Postfix) with ESMTPS id A2A8D603C4; Tue, 8 Sep 2026 14:22:55 +0000 (UTC) Received: from [127.0.0.1] (localhost [127.0.0.1]) by localhost (Mailerdaemon) with ESMTPSA id B59EA11C7AF4F; Tue, 8 Sep 2026 16:22:46 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bootlin.com; s=dkim; t=1788877371; h=from:subject:date:message-id:to:cc:mime-version:content-type: content-transfer-encoding:in-reply-to:references; bh=r4WcVwJlAzuVfNTRa6K7DKxEadAS1Eak2yTrvNVf/t0=; b=AxJ9Fp5HlfBE5bikqJQUJyrn4SaOZ4JUyUCNsg5AqkyFADS9syKyvQ1IOfrLpe6dYA18Wl Cotr+r0M9dCZmioI6o12FqqVCEH60py+7MW4/yxeFx+dIkwn6QyQv5LbtmH+4ieCL6Nm8e 4ebttxHJL2Z45x6sieycjY9yZKjY+LO0RXpoSVfq7e/QEXGveUifKnB9XO/PWkdLbKu0cb QKG9rXTIxF8I20TCIHhWrptR676uQsmSdENRHKIdg/N1gbUQkoaBVFAQ+2LwhEMvY5vhcN 6qr06W2/J+jelEhTNXA0U7yrTsyiY4ZnoDDmBony7NQBjAH76WP/Tmw7PuZ8ig== From: Miquel Raynal To: Zongzhen Feng <1768315307@qq.com> Cc: linux-mtd@lists.infradead.org, linux-kernel@vger.kernel.org, richard@nod.at, vigneshr@ti.com Subject: Re: [PATCH v3] mtd: spinand: cache the last read page to avoid redundant SPI operations In-Reply-To: (Zongzhen Feng's message of "Tue, 8 Sep 2026 18:19:58 +0800") References: User-Agent: mu4e 1.12.12; emacs 30.2 Date: Tue, 08 Sep 2026 16:22:46 +0200 Message-ID: <87o6e7u8jt.fsf@bootlin.com> MIME-Version: 1.0 X-Last-TLS-Session-Version: TLSv1.3 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260908_072301_360949_C85D8258 X-CRM114-Status: UNSURE ( 6.68 ) X-CRM114-Notice: Please train this message. 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 SGVsbG8gWm9uZ3poZW4sCgpPbiAwOC8wOS8yMDI2IGF0IDE4OjE5OjU4ICswOCwgWm9uZ3poZW4g RmVuZyA8MTc2ODMxNTMwN0BxcS5jb20+IHdyb3RlOgoKPiBXaGVuIHNxdWFzaGZzIHJlYWRzIGZp bGVzIHRocm91Z2ggbXRkYmxvY2ssIHRoZSBtdGRibG9jayBsYXllcgo+IHNwbGl0cyBJL08gaW50 byA1MTItYnl0ZSBzZWN0b3JzLiBGb3IgYSA0Sy1wYWdlIFNQSSBOQU5ELCB0aGlzCj4gbWVhbnMg cmVhZGluZyB0aGUgc2FtZSBwYWdlIDggdGltZXMgKDQwOTYgLyA1MTIpLCBnZW5lcmF0aW5nIDd4 Cj4gcmVkdW5kYW50IFNQSSByZWFkLWZyb20tY2FjaGUgb3BlcmF0aW9ucy4gRWFjaCBzdWNoIG9w ZXJhdGlvbgo+IGludm9sdmVzIGEgZnVsbCBTUEkgYnVzIHRyYW5zYWN0aW9uLCBzaWduaWZpY2Fu dGx5IHNsb3dpbmcgZG93bgo+IGJvb3QgdGltZSBhbmQgZmlsZSBhY2Nlc3MuCgpJIGhhdmVuJ3Qg bWFkZSBhIHJldmlldyB5ZXQsIGJ1dCB0aGVyZSBhcmUgc3RpbGwgYSBsb3Qgb2YgU2FzaGlrbwpj b21wbGFpbnRzIGFuZCB0aGV5IGxvb2sgcmVhc29uYWJsZS4gQ2FuIHlvdSBwbGVhc2UgY2hlY2sg dGhlbT8KClRoYW5rcywKTWlxdcOobAoKX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fCkxpbnV4IE1URCBkaXNjdXNzaW9uIG1haWxpbmcgbGlzdApo dHRwOi8vbGlzdHMuaW5mcmFkZWFkLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2xpbnV4LW10ZC8K