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 22E1EC5DF9D for ; Thu, 27 Aug 2026 05:12:36 +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:Cc:To:Message-Id:MIME-Version:Subject: Date:From:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References: List-Owner; bh=n6nhcbGAB3iF7z7L2ClrZ+McIQ5h2/kMMkOfN1H3Rrk=; b=nxXcZ12JCG+mrk Ey+Un5kgnXy5FHo0r6PT+U3Ly8Gp4zbO5d0YLDnF4VY/uzPu4qvc15Yeh5F2geiZUDCAIjZaX04R2 DM3EbkcEC6nEhNaWFjTxrLdni10YzGrj9mnneT4oequL8/5yrojtNy5bscQDh8afLmj5bKJzIf5gj ho1E0ITrHmZeXXzv2SnBZY4d7RVfMQwENzQ8hNhJBgtyiDVVzlhwTSAzG/8iPf3WVKSuhIyFyGBEB MFQI+nsIY9dxOjbYr2FfzsNXIRPVWG996MJbQoOiE2XTWGuzi8oJfjNzpz5/r06O7hRq/RAMrHba+ wHP7u3xZcgxaLBVDomLQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1wzSPa-00000003Pej-0KZV; Thu, 27 Aug 2026 05:12:26 +0000 Received: from mgamail.intel.com ([198.175.65.21]) by bombadil.infradead.org with esmtps (Exim 4.99.1 #2 (Red Hat Linux)) id 1wzSPW-00000003Pde-1MA9 for linux-mtd@lists.infradead.org; Thu, 27 Aug 2026 05:12:23 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1787807542; x=1819343542; h=from:date:subject:mime-version:content-transfer-encoding: message-id:to:cc; bh=jplI6Oc3+3ZSXLSuE+Ach9nhgnX57Rptzw/LsuGgC1g=; b=lu0OBPLVE1JKiUU7iPW9Kbn4it5IdVrmEvVkfKmT3u0O8WpZXeVZRyzI JFSHBb5iZwTDmoMp+Oq13CF+mkiUCSMNgxY0sxGYduRDvoOErVxz4Rnnr ssS1/BjDLihokBsSnk5PWbWRAjQMrsIJB8CH2TS6Wz5LUevr/cP7ZKwdj hjMLmOZCqUZ7yZJDwNpW1/eJcw6zM31zSmil3l2chI10+ac3kV2MaRceB OqbKOxa2j+GOz4/zEBntgIcwPi6MaC9cz9NSv6MvlQhl3JoHawE4PbV8+ Oo7EzV2mmt3Szdvz6by1rMgC/meKAkPicjRD5ZDZ4czemRAI3/77DZ4J+ g==; X-CSE-ConnectionGUID: D68EQy/TT1uRttfAX2inyA== X-CSE-MsgGUID: X0gcRorfQ/KnJV86m4qrYQ== X-IronPort-AV: E=McAfee;i="6800,10657,11887"; a="88159971" X-IronPort-AV: E=Sophos;i="6.25,246,1779174000"; d="scan'208";a="88159971" Received: from orviesa005.jf.intel.com ([10.64.159.145]) by orvoesa113.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 26 Aug 2026 22:12:19 -0700 X-CSE-ConnectionGUID: K1BmynRxRiqXZKLk7KJeng== X-CSE-MsgGUID: 3f+bCbmmQxa+S5aPjgo3eQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.25,246,1779174000"; d="scan'208";a="271979932" Received: from sannilnx-dsk.jer.intel.com (HELO [127.0.1.1]) ([10.12.231.107]) by orviesa005-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 26 Aug 2026 22:12:17 -0700 From: Alexander Usyskin Date: Thu, 27 Aug 2026 08:11:56 +0300 Subject: [PATCH v2] mtd: mtd_intel_dg: reset poll counter for each erase MIME-Version: 1.0 Message-Id: <20260827-mtd_eraze_to_fix-v2-1-1395ae4fb795@intel.com> X-B4-Tracking: v=1; b=H4sIAAAAAAAC/32NQQ6DIBREr2L+ujSAqUJXvUdjCOq3/qSKAULaG u5e6gE6uzfJvNkhoCcMcK128JgokFsLyFMFw2zXBzIaC4PksuFKNmyJo0FvP2iiMxO9WN1yhXz SuhcWymzzWOpDee8KzxSi8+/jIYlf+0eWBBOsV1bpuoS3lxutEZ/nwS3Q5Zy/ww6QcbAAAAA= X-Change-ID: 20260826-mtd_eraze_to_fix-3708e0f99b1a To: Miquel Raynal , Richard Weinberger , Vignesh Raghavendra Cc: linux-mtd@lists.infradead.org, linux-kernel@vger.kernel.org, Menachem Adin , stable@vger.kernel.org, Alexander Usyskin X-Mailer: b4 0.14.3 X-Developer-Signature: v=1; a=ed25519-sha256; t=1787807537; l=1851; i=alexander.usyskin@intel.com; s=20260315; h=from:subject:message-id; bh=vXZtjOotZCVR+xsRZA0rIviHyugLPf2qFp/jodZPmYw=; b=SYT4x5TEJSV6W7tgkrgpQLF0ikG4f8qzCFOJoR2z39DBB/6wsTT8T1Dn0HXd1IZ8/fFnEeiVO oNbiqwvN28uDGyWKghXGft1r5donYh+ihopCaM5fzS51hEWOuE04Vr+ X-Developer-Key: i=alexander.usyskin@intel.com; a=ed25519; pk=X+qoF/nFCdDOV04IForWSxnkyoCAbUE10egZi6PSfcU= X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260826_221222_426254_C70053E8 X-CRM114-Status: GOOD ( 11.21 ) 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 From: Menachem Adin The non-posted erase polling counter is initialized only once per MTD erase request. Large requests therefore share the polling budget across all 4K erase commands and can fail with -ETIME even though no individual command timed out. Reset the counter for each 4K erase command so every operation gets the intended completion timeout. Cc: stable@vger.kernel.org Fixes: a1c940cbf505 ("drm/xe/nvm: add support for non-posted erase") Signed-off-by: Menachem Adin Signed-off-by: Alexander Usyskin --- Changes in v2: - Add Fixes tag and stable cc - Link to v1: https://lore.kernel.org/r/20260826-mtd_eraze_to_fix-v1-1-b8a893333075@intel.com --- drivers/mtd/devices/mtd_intel_dg.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/mtd/devices/mtd_intel_dg.c b/drivers/mtd/devices/mtd_intel_dg.c index f2fa8f68d190..6e226c0c7f17 100644 --- a/drivers/mtd/devices/mtd_intel_dg.c +++ b/drivers/mtd/devices/mtd_intel_dg.c @@ -387,7 +387,7 @@ idg_erase(struct intel_dg_nvm *nvm, u8 region, loff_t from, u64 len, u64 *fail_a void __iomem *base2 = nvm->base2; void __iomem *base = nvm->base; const u32 block = 0x10; - u32 iter = 0; + u32 iter; u32 reg; u64 i; @@ -396,6 +396,7 @@ idg_erase(struct intel_dg_nvm *nvm, u8 region, loff_t from, u64 len, u64 *fail_a iowrite32(region << 24 | block, base + NVM_ERASE_REG); if (nvm->non_posted_erase) { /* Wait for Erase Done */ + iter = 0; reg = ioread32(base2 + NVM_DEBUG_REG); while (!(reg & NVM_NON_POSTED_ERASE_DONE) && ++iter < NVM_NON_POSTED_ERASE_DONE_ITER) { --- base-commit: 8d3ae59288f1e7d58d76558a6ee96d533bc5019f change-id: 20260826-mtd_eraze_to_fix-3708e0f99b1a Best regards, -- Alexander Usyskin ______________________________________________________ Linux MTD discussion mailing list http://lists.infradead.org/mailman/listinfo/linux-mtd/