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a="7047448" X-IronPort-AV: E=Sophos;i="6.06,185,1705392000"; d="scan'208";a="7047448" Received: from fmsmga002.fm.intel.com ([10.253.24.26]) by orvoesa106.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 26 Feb 2024 06:17:14 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10995"; a="913872291" X-IronPort-AV: E=Sophos;i="6.06,185,1705392000"; d="scan'208";a="913872291" Received: from smile.fi.intel.com ([10.237.72.54]) by fmsmga002.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 26 Feb 2024 06:17:07 -0800 Received: from andy by smile.fi.intel.com with local (Exim 4.97) (envelope-from ) id 1rebmx-00000007hRa-3oE3; Mon, 26 Feb 2024 16:17:03 +0200 Date: Mon, 26 Feb 2024 16:17:03 +0200 From: Andy Shevchenko To: Jiri Slaby Cc: Greg Kroah-Hartman , Thomas Gleixner , linux-kernel@vger.kernel.org, linux-serial@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-aspeed@lists.ozlabs.org, linux-rpi-kernel@lists.infradead.org, linux-mips@vger.kernel.org, linux-tegra@vger.kernel.org, Joel Stanley , Andrew Jeffery , Florian Fainelli , Ray Jui , Scott Branden , Broadcom internal kernel review list , Al Cooper , Ilpo =?iso-8859-1?Q?J=E4rvinen?= , Paul Cercueil , Vladimir Zapolskiy , Thierry Reding , Jonathan Hunter , Kunihiko Hayashi , Masami Hiramatsu Subject: Re: [PATCH v1 02/14] serial: core: Add UPIO_UNSET constant for unset port type Message-ID: References: <20240221183442.4124354-1-andriy.shevchenko@linux.intel.com> <20240221183442.4124354-3-andriy.shevchenko@linux.intel.com> <5aeee02f-45a6-48e5-a6f4-e55b76d4b959@kernel.org> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: Organization: Intel Finland Oy - BIC 0357606-4 - Westendinkatu 7, 02160 Espoo X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240226_061715_005590_319FC527 X-CRM114-Status: GOOD ( 27.44 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Fri, Feb 23, 2024 at 04:59:25PM +0200, Andy Shevchenko wrote: > On Fri, Feb 23, 2024 at 06:42:15AM +0100, Jiri Slaby wrote: > > On 22. 02. 24, 14:21, Andy Shevchenko wrote: > > > On Thu, Feb 22, 2024 at 07:58:32AM +0100, Jiri Slaby wrote: > > > > On 21. 02. 24, 19:31, Andy Shevchenko wrote: ... > > > > > unsigned char iotype; /* io access style */ > > > > > +#define UPIO_UNSET ((unsigned char)~0U) /* UCHAR_MAX */ > > > > > > > > Perhaps making the var u8 and this U8_MAX then? It would make more sense to > > > > me. > > > > > > WFM, should it be a separate change? > > > > Likely. > > Then I need a commit message, because I'm unable to justify this change myself. > > > > Btw, how can I justify it? > > > > Hmm, thinking about it, why is it not an enum? > > Maybe, but it is a replica of UAPI definitions, do we want to see it as a enum? > To me it will be a bit ugly looking. > > > But it could be also an u8 because you want it be exactly 8 bits as you want > > to be sure values up to 255 fit. > > Depends on what we assume UAPI does with those flags. It maybe even less than > 8 bits, or great than, currently 8 bits is enough... > > TL;DR: I would rather take a patch from you and incorporate into the series > than trying hard to invent a justification and proper type. Okay, I want to send a new version, for now I leave the type change for the next time. It looks that quirks as well will benefit from type clarifying. -- With Best Regards, Andy Shevchenko _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel