Linux I2C development
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From: Wolfram Sang <wsa@the-dreams.de>
To: Andy Shevchenko <andy.shevchenko@gmail.com>
Cc: Chris Packham <chris.packham@alliedtelesis.co.nz>,
	linux-i2c <linux-i2c@vger.kernel.org>,
	Yoshinori Sato <ysato@users.sourceforge.jp>,
	Linux-SH <linux-sh@vger.kernel.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH 5/6] i2c: pca-platform: use device_property_read_u32
Date: Fri, 30 Jun 2017 11:03:55 +0200	[thread overview]
Message-ID: <20170630090354.6s6ahpjhis7ptbfg@ninjato> (raw)
In-Reply-To: <CAHp75Vc+6WGFiJifEExjv3jSFsy+ORGtRoDPmv31sSFN=zkHMg@mail.gmail.com>

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> > -               i2c->algo_data.i2c_clock = 59000;
> > +               ret = device_property_read_u32(&pdev->dev, "clock-frequency",
> > +                                              &i2c->algo_data.i2c_clock);
> > +               if (ret)
> > +                       i2c->algo_data.i2c_clock = 59000;
> 
> My idea is to get rid of legacy platform data completely.
> That's why I suggested device_* in the first place.
> 
> In similar way like you did with GPIO lookup table, you may use
> PROPERTY_ENTRY*() macros in the board files.
> 
> Does it make sense?

Frankly, I am not a big fan of converting board files if we cannot test
the changes.


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  reply	other threads:[~2017-06-30  9:03 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-06-30  0:54 [PATCH 0/6] i2c: pca-platform: additional improvements Chris Packham
2017-06-30  0:54 ` [PATCH 1/6] sh: sh7785lcr: add GPIO lookup table for i2c controller reset Chris Packham
2017-07-02 16:47   ` kbuild test robot
2017-07-02 17:15     ` Geert Uytterhoeven
2017-06-30  0:54 ` [PATCH 2/6] i2c: pca-platform: correctly set algo_data.reset_chip Chris Packham
2017-07-04 14:03   ` Wolfram Sang
2017-06-30  0:54 ` [PATCH 3/6] i2c: pca-platform: propagate error from i2c_pca_add_numbered_bus Chris Packham
2017-06-30  8:40   ` Andy Shevchenko
2017-06-30  9:01     ` Wolfram Sang
2017-07-02 21:30     ` Chris Packham
2017-07-04 14:04   ` Wolfram Sang
2017-06-30  0:54 ` [PATCH 4/6] i2c: pca-platform: unconditionally use devm_gpiod_get_optional Chris Packham
2017-06-30  0:54 ` [PATCH 5/6] i2c: pca-platform: use device_property_read_u32 Chris Packham
2017-06-30  8:44   ` Andy Shevchenko
2017-06-30  9:03     ` Wolfram Sang [this message]
2017-06-30 10:56       ` Andy Shevchenko
2017-07-02 21:51         ` Chris Packham
2017-07-04 14:07           ` Wolfram Sang
2017-06-30  0:54 ` [PATCH 6/6] i2c: pca-platform: drop gpio from platform data Chris Packham
2017-06-30  8:48 ` [PATCH 0/6] i2c: pca-platform: additional improvements Andy Shevchenko

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