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From: Wolfram Sang <wsa@the-dreams.de>
To: Serge Semin <Sergey.Semin@baikalelectronics.ru>
Cc: devicetree-compiler@vger.kernel.org,
	Serge Semin <fancer.lancer@gmail.com>,
	Alexey Malahov <Alexey.Malahov@baikalelectronics.ru>,
	Thomas Bogendoerfer <tsbogend@alpha.franken.de>,
	Jarkko Nikula <jarkko.nikula@linux.intel.com>,
	Andy Shevchenko <andriy.shevchenko@linux.intel.com>,
	Frank Rowand <frowand.list@gmail.com>,
	Rob Herring <robh+dt@kernel.org>,
	devicetree@vger.kernel.org, linux-i2c@vger.kernel.org,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH v2] check: Add 10bit/slave i2c reg flags support
Date: Sat, 30 May 2020 11:31:52 +0200	[thread overview]
Message-ID: <20200530093152.GA1038@ninjato> (raw)
In-Reply-To: <20200527141517.22677-1-Sergey.Semin@baikalelectronics.ru>

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> +	addr = reg & 0x3FFFFFFFU;
> +	snprintf(unit_addr, sizeof(unit_addr), "%x", addr);

Hmm, this hardcoded value will not work if we ever need to add another
bit. I hope this will never happen, though.

> +		if ((reg & (1U << 31)) && addr > 0x3ff)

Same here with bit 31. I haven't checked DTC but can't we import the
header with the defines into the project? Or is this then a circular
dependency?


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  reply	other threads:[~2020-05-30  9:32 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-05-27 12:25 [PATCH] check: Add 10bit/slave i2c reg flags support Serge Semin
2020-05-27 13:36 ` Andy Shevchenko
2020-05-27 14:00   ` Serge Semin
2020-05-27 14:15 ` [PATCH v2] " Serge Semin
2020-05-30  9:31   ` Wolfram Sang [this message]
2020-05-31 19:07     ` Serge Semin
2020-06-01 17:08     ` Rob Herring
2020-06-02  7:46       ` Wolfram Sang

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