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 9B5BCC5DF82 for ; Thu, 20 Aug 2026 05:53:23 +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:In-Reply-To:References: Message-ID:Date: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=9Y+CZ10NvOji9Z31jcERteMoL+ibKZy3JvfjX6pZveA=; b=xSNtvo+krWS7P4 6NAFlms5NY5K0aLkRtcaC2yoZi6iE7I+wZ3PbrGmhDy2fvJT3O5Tnnp/tV0s1O/vmeZQmITtXl4Pz uvzT5VqAkSObR30HUX3Vxdopc+ysLIW77cCR5bmSCzkYybTkCAnv/2OLhjBY8bezDwLvE3mKc3R9Q xIZuw3fJQqxePcZ/NFryURMecIuxrCYYi5oujJUp5nwz8r2UsdIWO6KDtDadALqtxmH1MlsU+Xf5s hOu7lumqMkjd0a2NuFAaYTbKkj/lvkGzjHdkP80Oog2IkY6KX8dblTvO+u+g0hoqHyaEuTHLCNgPP p8TaajvEoHrj/9U38tGA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1wwviL-0000000Asfe-3y0A; Thu, 20 Aug 2026 05:53:21 +0000 Received: from smtp11.infineon.com ([2a00:18f0:1e00:4::5]) by bombadil.infradead.org with esmtps (Exim 4.99.1 #2 (Red Hat Linux)) id 1wwviJ-0000000Asel-0kHr; Thu, 20 Aug 2026 05:53:20 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=infineon.com; i=@infineon.com; q=dns/txt; s=IFXMAIL; t=1787205198; x=1818741198; h=from:to:cc:subject:date:message-id:references: in-reply-to:content-transfer-encoding:mime-version; bh=37ZW8YOnm60ojTL8ISRSzVGScSuVacERLLcfcy5t1XI=; b=LRttVS2HxgR7W5e3VVhXNcnButdHe+9J3Ov51R9bIRd20ZCc5yvBX5Gx k+IUPM2P0VM+ve0JaLqZvbmvBhHTXeQdPgdm79UJUZqns+D4oHaXg9bAH oAe0CED7S1pfFl0VE4G0QaVS7d/ICizrxVkDhDXisgty5eK5iZ5JYfcpD 0=; X-CSE-ConnectionGUID: wStoZyi0SLOQcxFSTJKt3w== X-CSE-MsgGUID: SVZ2c4O8Svmn710HkLRf7g== X-IronPort-AV: E=McAfee;i="6800,10657,11880"; a="156701291" X-IronPort-AV: E=Sophos;i="6.25,232,1779141600"; d="scan'208";a="156701291" X-Amp-Result: SKIPPED(no attachment in message) Received: from unknown (HELO MUCSE803.infineon.com) ([172.23.29.29]) by smtp11.infineon.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 20 Aug 2026 07:53:16 +0200 Received: from MUCSE818.infineon.com (172.23.29.44) by MUCSE803.infineon.com (172.23.29.29) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.2562.45; Thu, 20 Aug 2026 07:53:17 +0200 Received: from MUCSE815.infineon.com (172.23.29.41) by MUCSE818.infineon.com (172.23.29.44) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.2562.45; Thu, 20 Aug 2026 07:53:16 +0200 Received: from MUCSE815.infineon.com ([fe80::ed10:a720:3031:ca14]) by MUCSE815.infineon.com ([fe80::ed10:a720:3031:ca14%12]) with mapi id 15.02.2562.045; Thu, 20 Aug 2026 07:53:16 +0200 From: To: , , , , , , , , , CC: , , , , , , Subject: RE: [PATCH v3 04/23] mtd: spi-nor: Add support for the new JESD216 rev F QER field Thread-Topic: [PATCH v3 04/23] mtd: spi-nor: Add support for the new JESD216 rev F QER field Thread-Index: AQHdKzcucGwXu1ZOE066BGny6n0Soramedtw Date: Thu, 20 Aug 2026 05:53:16 +0000 Message-ID: References: <20260813-winbond-v7-1-spi-nor-rv-addition-v3-0-b637cf120d5c@bootlin.com> <20260813-winbond-v7-1-spi-nor-rv-addition-v3-4-b637cf120d5c@bootlin.com> In-Reply-To: <20260813-winbond-v7-1-spi-nor-rv-addition-v3-4-b637cf120d5c@bootlin.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.161.6.196] MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260819_225319_539122_F6F169DE X-CRM114-Status: GOOD ( 10.70 ) 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="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-mtd" Errors-To: linux-mtd-bounces+linux-mtd=archiver.kernel.org@lists.infradead.org > Revision F of the JEDEC JESD216 standard includes yet another > supported setting in the QER 3-bit bitfield: 110b. > > This setting implies that the QE bit is bit 1 of SR2 (which is an > already supported case) but this time it makes it very clear that both > reading and writing to SR2 is supported, but not with the usual > opcodes. The write operation uses an alternate WRSR2 opcode: > 0x31 (instead of 0x3E) and both the reads and writes manipulate a single > register at a time. > > Signed-off-by: Miquel Raynal Reviewed-by: Takahiro Kuwano ______________________________________________________ Linux MTD discussion mailing list http://lists.infradead.org/mailman/listinfo/linux-mtd/