From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-m3295.qiye.163.com (mail-m3295.qiye.163.com [220.197.32.95]) (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 501982ECD38; Tue, 12 Aug 2025 11:03:16 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=220.197.32.95 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1754996600; cv=none; b=pwLD60CzjqGWIoqJrtv8h9jT6Dw3JHQhgiPtn7Eh5qzkuFNZEIvZmNu0bTnaZcXGxoY8a/YfrzhUKIcTLZbh4JmnHiNGPjO9hXHL+px7LvDYqIs9hR9J3KYaVC8PgQBvEwyM2HeayCIUiFBjh6WHhwALYPRxCoFGC9z1ZL/OxMM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1754996600; c=relaxed/simple; bh=aMU6L1c5K22WNXfOw4hDrPqadebF1K1kG8GKgIO4tjQ=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=kNG3IJuW5to+hv+dCXbKMrtTNQJHlXsxhw2ewB7GBFjvXjN0S6wMe+AhhkLlpPb6ttPMFgmbClnmewWQ2Bd2oqoNB/fSFVV9DhlOCiwcWkqVPPyuP8HCeYfi/lpwDu7GsjiQaZDPNsnkl4HWv1JZJH9ahvkQXLljKTy6bbmA3Pc= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=thundersoft.com; spf=pass smtp.mailfrom=thundersoft.com; dkim=pass (1024-bit key) header.d=thundersoft.com header.i=@thundersoft.com header.b=kxYVcsWM; arc=none smtp.client-ip=220.197.32.95 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=thundersoft.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=thundersoft.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=thundersoft.com header.i=@thundersoft.com header.b="kxYVcsWM" Received: from albert-OptiPlex-7080.. (unknown [117.184.129.134]) by smtp.qiye.163.com (Hmail) with ESMTP id 1f1d6e1f4; Tue, 12 Aug 2025 17:47:42 +0800 (GMT+08:00) From: Albert Yang To: robh@kernel.org Cc: conor+dt@kernel.org, devicetree@vger.kernel.org, krzk+dt@kernel.org, krzk@kernel.org, linux-kernel@vger.kernel.org, yangzh0906@thundersoft.com Subject: Re: [PATCH v2 6/8] arm64: dts: bst: add support for Black Sesame Technologies C1200 CDCU1.0 board Date: Tue, 12 Aug 2025 17:47:41 +0800 Message-ID: <20250812094741.2040632-1-yangzh0906@thundersoft.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20250702141957.GA1416711-robh@kernel.org> References: <20250702141957.GA1416711-robh@kernel.org> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-HM-Tid: 0a989dadae4509cckunmdb40a9fb81067c X-HM-MType: 1 X-HM-Spam-Status: e1kfGhgUHx5ZQUpXWQgPGg8OCBgUHx5ZQUlOS1dZFg8aDwILHllBWSg2Ly tZV1koWUFITzdXWS1ZQUlXWQ8JGhUIEh9ZQVkZGk9MVh0YShkeTR5PGElPS1YVFAkWGhdVEwETFh oSFyQUDg9ZV1kYEgtZQVlKSkxVSkNPVUpJQlVKSE9ZV1kWGg8SFR0UWUFZT0tIVUJCSU5LVUpLS1 VKQktCWQY+ DKIM-Signature: a=rsa-sha256; b=kxYVcsWMOpTGsnZF5jR9z7iRDjwbaGFjkdHOwNe4pUuDdnqz/6W9yl9SXEm7boBfhRMV7X4HIgCUjsrq/UNELXgIdbA3UbU/fuqHYL1HzZ4ZtIRDYOzuUw/KTlKwuhGmP+nc+XP1m0Ml2G2UyuPn9JVIaxb+zAEeMk7BV9mfr3M=; s=default; c=relaxed/relaxed; d=thundersoft.com; v=1; bh=H2WTsuc3EhhC/Vf4tfE8U6JbtAliV9KGGfugOgJdqqw=; h=date:mime-version:subject:message-id:from; On Wed, Jul 02, 2025 at 09:19:57AM -0500, Rob Herring wrote: > On Wed, Jul 02, 2025 at 08:31:33PM +0800, Albert Yang wrote: > > Before (incorrect): > > memory@800151000 { reg = <0x8 0x00151000 0x0 0x1000>; }; > > memory@800254000 { reg = <0x8 0x00254000 0x0 0x1000>; }; > > ... > > > > After (correct): > > memory@800151000 { > > reg = <0x8 0x00151000 0x0 0x1000>, > > <0x8 0x00254000 0x0 0x1000>, > > These are very odd. Are these really main memory vs. some on chip SRAM > or some other specific purpose? > > A 4KB block doesn't really work if the OS uses 16 or 64KB pages, but I > guess that would be up to the OS to ignore them. Thank you for pointing out this issue. My colleagues and I have discussed that these two 4ks are indeed ineffective, so we will remove them in v3 Best Regards, Albert