linux-kernel - Re: [PATCH v1 02/14] serial: core: Add UPIO

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Date: Thu, 22 Feb 2024 15:21:45 +0200
From: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To: Jiri Slaby <jirislaby@...nel.org>
Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Thomas Gleixner <tglx@...utronix.de>, linux-kernel@...r.kernel.org,
	linux-serial@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	linux-aspeed@...ts.ozlabs.org, linux-rpi-kernel@...ts.infradead.org,
	linux-mips@...r.kernel.org, linux-tegra@...r.kernel.org,
	Joel Stanley <joel@....id.au>,
	Andrew Jeffery <andrew@...econstruct.com.au>,
	Florian Fainelli <florian.fainelli@...adcom.com>,
	Ray Jui <rjui@...adcom.com>, Scott Branden <sbranden@...adcom.com>,
	Broadcom internal kernel review list <bcm-kernel-feedback-list@...adcom.com>,
	Al Cooper <alcooperx@...il.com>,
	Ilpo Järvinen <ilpo.jarvinen@...ux.intel.com>,
	Paul Cercueil <paul@...pouillou.net>,
	Vladimir Zapolskiy <vz@...ia.com>,
	Thierry Reding <thierry.reding@...il.com>,
	Jonathan Hunter <jonathanh@...dia.com>,
	Kunihiko Hayashi <hayashi.kunihiko@...ionext.com>,
	Masami Hiramatsu <mhiramat@...nel.org>
Subject: Re: [PATCH v1 02/14] serial: core: Add UPIO_UNSET constant for unset
 port type

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? Btw, how can I justify it?

-- 
With Best Regards,
Andy Shevchenko