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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 5C797C28CF5 for ; Wed, 26 Jan 2022 10:52:54 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S240294AbiAZKwx (ORCPT ); Wed, 26 Jan 2022 05:52:53 -0500 Received: from relay9-d.mail.gandi.net ([217.70.183.199]:33915 "EHLO relay9-d.mail.gandi.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S240349AbiAZKww (ORCPT ); Wed, 26 Jan 2022 05:52:52 -0500 Received: (Authenticated sender: miquel.raynal@bootlin.com) by mail.gandi.net (Postfix) with ESMTPSA id EC803FF80C; Wed, 26 Jan 2022 10:52:47 +0000 (UTC) From: Miquel Raynal To: Miquel Raynal , Richard Weinberger , Vignesh Raghavendra , Tudor Ambarus , Pratyush Yadav , Michael Walle , linux-mtd@lists.infradead.org, Mark Brown , linux-spi@vger.kernel.org Cc: Julien Su , Jaime Liao , Thomas Petazzoni , Boris Brezillon , Xiangsheng Hou , stable@vger.kernel.org, Mason Yang , Zhengxun Li Subject: Re: [PATCH v9 09/13] spi: mxic: Fix the transmit path Date: Wed, 26 Jan 2022 11:52:47 +0100 Message-Id: <20220126105247.882740-1-miquel.raynal@bootlin.com> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20220104083631.40776-10-miquel.raynal@bootlin.com> References: MIME-Version: 1.0 X-linux-mtd-patch-notification: thanks X-linux-mtd-patch-commit: b'397d9ce0bdd47e2bf51ada69fe0933951f6d176e' Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org On Tue, 2022-01-04 at 08:36:27 UTC, Miquel Raynal wrote: > By working with external hardware ECC engines, we figured out that > Under certain circumstances, it is needed for the SPI controller to > check INT_TX_EMPTY and INT_RX_NOT_EMPTY in both receive and transmit > path (not only in the receive path). The delay penalty being > negligible, move this code in the common path. > > Fixes: b942d80b0a39 ("spi: Add MXIC controller driver") > Cc: stable@vger.kernel.org > Suggested-by: Mason Yang > Signed-off-by: Miquel Raynal > Reviewed-by: Zhengxun Li > Reviewed-by: Mark Brown Applied to https://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux.git spi-mem-ecc. Miquel 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 D1FFFC28CF5 for ; Wed, 26 Jan 2022 10:55:20 +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:References:In-Reply-To: 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=hX1mjlur8Kkuf3EfSNbLYzhrWS0Ot2Y/qfcMbLX/Z/k=; b=Otqs5LYcIRxqdb krXHKKihXN1th/BD4jMGJPldHBTP5nqd+3DMFLpZ5izbGXIq2OHBZy3Je9hrWILKfrianovS8/P3Z XR+e9WFGZZD9xif4SG07iSh2mgsNda67hgHCEp5/29w/9sIjCFycfliIBWKvF68LQR5LeGR7/XuMZ EoRlxfscogz8+i4RRNdOcAHP9OV6mM/YWRQaE/ZGRnOIQUQ8NJbWsSSTLFB1noVscNV6xAYQz89Vs GlKvE+go+Q1Aytdj4fiHWftDbgD3kKRWv1FUTxipMmTyoHduc6jXJJYrLPOXmw8Zjhcz4m/SeMeso zJ13CvuFxdWSsbkJ+bag==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1nCfx4-00BLXa-Gq; Wed, 26 Jan 2022 10:54:58 +0000 Received: from relay9-d.mail.gandi.net ([2001:4b98:dc4:8::229]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1nCfv1-00BKnd-7U for linux-mtd@lists.infradead.org; Wed, 26 Jan 2022 10:52:52 +0000 Received: (Authenticated sender: miquel.raynal@bootlin.com) by mail.gandi.net (Postfix) with ESMTPSA id EC803FF80C; Wed, 26 Jan 2022 10:52:47 +0000 (UTC) From: Miquel Raynal To: Miquel Raynal , Richard Weinberger , Vignesh Raghavendra , Tudor Ambarus , Pratyush Yadav , Michael Walle , linux-mtd@lists.infradead.org, Mark Brown , linux-spi@vger.kernel.org Cc: Julien Su , Jaime Liao , Thomas Petazzoni , Boris Brezillon , Xiangsheng Hou , stable@vger.kernel.org, Mason Yang , Zhengxun Li Subject: Re: [PATCH v9 09/13] spi: mxic: Fix the transmit path Date: Wed, 26 Jan 2022 11:52:47 +0100 Message-Id: <20220126105247.882740-1-miquel.raynal@bootlin.com> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20220104083631.40776-10-miquel.raynal@bootlin.com> References: MIME-Version: 1.0 X-linux-mtd-patch-notification: thanks X-linux-mtd-patch-commit: b'397d9ce0bdd47e2bf51ada69fe0933951f6d176e' X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220126_025251_461763_EB30A099 X-CRM114-Status: UNSURE ( 7.80 ) 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="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-mtd" Errors-To: linux-mtd-bounces+linux-mtd=archiver.kernel.org@lists.infradead.org On Tue, 2022-01-04 at 08:36:27 UTC, Miquel Raynal wrote: > By working with external hardware ECC engines, we figured out that > Under certain circumstances, it is needed for the SPI controller to > check INT_TX_EMPTY and INT_RX_NOT_EMPTY in both receive and transmit > path (not only in the receive path). The delay penalty being > negligible, move this code in the common path. > > Fixes: b942d80b0a39 ("spi: Add MXIC controller driver") > Cc: stable@vger.kernel.org > Suggested-by: Mason Yang > Signed-off-by: Miquel Raynal > Reviewed-by: Zhengxun Li > Reviewed-by: Mark Brown Applied to https://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux.git spi-mem-ecc. Miquel ______________________________________________________ Linux MTD discussion mailing list http://lists.infradead.org/mailman/listinfo/linux-mtd/