From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.11]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 7BCA21A317D; Wed, 7 Jan 2026 06:03:02 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.175.65.11 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1767765784; cv=none; b=RB3oX1iWX4u1atolDQlpukCaAdgXN4pRL7dYineHFmKnWvefngSg520Uk6wEkoxXlkLYzh+OrwcSXPiPFdnkXhBmIxOfB9c4BeFFcrplE+iJHQNOV/+G1gSERMWyMA+goaRuQONfuBf5FTUUANGaXZAPvO7ZLANzeSQljotHp0M= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1767765784; c=relaxed/simple; bh=HuxcXDrBy7au0eucIK9MLD47AIT9nYOsFZvDKxmtDJk=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=i8g6ZLXJi8sdVc+7ZeSZYws9aGdd5PTTOZoZJx3i6XX46UIHGHFJzEYRM7IkRYTcCgAAkW0HEVawzVDhRHN+aN7LraqvYWSxmqWsm4TY02YZGScvSUlCrxhR/t5k53sYlOsX2e3g+G8eQqQ09kLqXWDX/53F8L8+uXzXoNiuBlA= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.intel.com; spf=pass smtp.mailfrom=linux.intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=RGkb0LxV; arc=none smtp.client-ip=198.175.65.11 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.intel.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linux.intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="RGkb0LxV" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1767765782; x=1799301782; h=from:to:cc:subject:date:message-id:mime-version: content-transfer-encoding; bh=HuxcXDrBy7au0eucIK9MLD47AIT9nYOsFZvDKxmtDJk=; b=RGkb0LxVtxGgXyldhf/Z81TFPQhlG6h/emY2rPVAIFM0efBmq6UfM22J bDBM51X8CYu2+XHHA2gEniWQ7HtkNml/1+fhVXYVH9IkvylEB+VY5Fy8y jYXEmYEgPHmiSvyl2VqcLOBvHKnRfiPCUHBpc+k9zaQhIYq2C01bCImwT 0C5Zugpdbk9IRVU/qBfSTXZtqVyGNUisqKNYNiWfWF5G4xdJl/AJGa0MZ goE2tI+4uWc5MtFB5owBXzPoKuf7pmPQi837bnVkl5Ug6DRcJsr5muKlE izP+ETK5DKd+RuuHYeu9VtVy9BxyTtlk+jRn395IcPw7DryaayHDnLCKE g==; X-CSE-ConnectionGUID: hZ4ND4bYRjCj9OYBUrpqbg== X-CSE-MsgGUID: O00V90dcShCxK+pY9nQTKw== X-IronPort-AV: E=McAfee;i="6800,10657,11663"; a="79434348" X-IronPort-AV: E=Sophos;i="6.21,207,1763452800"; d="scan'208";a="79434348" Received: from fmviesa006.fm.intel.com ([10.60.135.146]) by orvoesa103.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 06 Jan 2026 22:03:02 -0800 X-CSE-ConnectionGUID: 26vdUA1BRqiwu+vQehurMA== X-CSE-MsgGUID: h14tvf9RSe6IIo6g2jg8Ag== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.21,207,1763452800"; d="scan'208";a="202746870" Received: from spandruv-desk.jf.intel.com ([10.54.55.20]) by fmviesa006.fm.intel.com with ESMTP; 06 Jan 2026 22:03:02 -0800 From: Srinivas Pandruvada To: hansg@kernel.org, ilpo.jarvinen@linux.intel.com Cc: platform-driver-x86@vger.kernel.org, linux-kernel@vger.kernel.org, Srinivas Pandruvada Subject: [PATCH v2 0/2] platform/x86: ISST: Fix for write lock and suspend/resume Date: Tue, 6 Jan 2026 22:02:54 -0800 Message-ID: <20260107060256.1634188-1-srinivas.pandruvada@linux.intel.com> X-Mailer: git-send-email 2.51.0 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit There are two issues, which are not urgent as the current deployed systems don't support them, but need fixes: - Write lock- Even if the TPMI is write locked it will still write to MMIO - store-restore data during suspend/resume: Not storing and restoring data to all power domains. v2: One minor fix for new line Srinivas Pandruvada (2): platform/x86: ISST: Add missing write block check platform/x86: ISST: Store and restore all domains data .../intel/speed_select_if/isst_tpmi_core.c | 57 ++++++++++++------- 1 file changed, 36 insertions(+), 21 deletions(-) -- 2.52.0