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 0CC27C61D97 for ; Wed, 22 Nov 2023 18:23:54 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1344159AbjKVSXz (ORCPT ); Wed, 22 Nov 2023 13:23:55 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:34740 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231470AbjKVSXw (ORCPT ); Wed, 22 Nov 2023 13:23:52 -0500 Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 507F51AB for ; Wed, 22 Nov 2023 10:23:49 -0800 (PST) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 41197C433C7; Wed, 22 Nov 2023 18:23:48 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1700677428; bh=yZFggWdceu7rn7hUogOUO9F9Pf31Wzul4TPKXAC/3U0=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=cfx7RL1y4ISdbaje+SGuou7CtcmZrlVSo+mA0tr2l4eyuKze0qLS9FLGsH/Uvv546 s7lFQoD9HyEbwfoxy4Cvr6kIYavw/xkIhD5Bn5iNAQKfzXemwOgQb3bplHnFm5BIg7 w5kgoNaYBleytc03xf9iMLLT8dpedTeV5o0w4OEXK1C+iS0AJ4kNeMn1VzMRH5PHgQ U4MvOpuzoVT+CffnRb3OADnazbboACsZBf0jhbD2rj8OQrhsqR4YB24oNzNd2p9IGm gmTmjf9ABiSuJpyWpqzQ0LvRp116ghdK8gRzUr9Sq4s4P6kzIC1GKYmZwcBH5PdgmM +k9NrEe+MlV+g== Date: Wed, 22 Nov 2023 10:23:47 -0800 From: Jakub Kicinski To: Christian Marangi Cc: "Russell King (Oracle)" , Andrew Lunn , Heiner Kallweit , "David S. Miller" , Eric Dumazet , Paolo Abeni , Robert Marko , netdev@vger.kernel.org, linux-kernel@vger.kernel.org, kernel test robot Subject: Re: [net-next PATCH] net: phy: aquantia: drop wrong endianness conversion for addr and CRC Message-ID: <20231122102347.0bde86bb@kernel.org> In-Reply-To: <655e4025.df0a0220.50550.3d70@mx.google.com> References: <20231122170813.1222-1-ansuelsmth@gmail.com> <655e4025.df0a0220.50550.3d70@mx.google.com> MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, 22 Nov 2023 18:53:39 +0100 Christian Marangi wrote: > So they DO get converted to the HOST endian on reading the firmware from > an nvmem cell or a filesystem? They don't get converted when "reading from nvmem / fs". They get converted when you do: word = get_unaligned((const u32 *)(data + pos)); get_unaligned() is basically: #if BIGENDIAN #define get_unaligned get_unaligned_be32 #else #define get_unaligned get_unaligned_le32 #endif so you'll get different behavior here depending on the CPU.