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From: Wolfram Sang <w.sang@pengutronix.de>
To: David Daney <david.daney@cavium.com>
Cc: Rob Herring <robherring2@gmail.com>,
	David Daney <ddaney.cavm@gmail.com>,
	"linux-mips@linux-mips.org" <linux-mips@linux-mips.org>,
	"ralf@linux-mips.org" <ralf@linux-mips.org>,
	"devicetree-discuss@lists.ozlabs.org"
	<devicetree-discuss@lists.ozlabs.org>,
	Grant Likely <grant.likely@secretlab.ca>,
	Rob Herring <rob.herring@calxeda.com>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	"linux-i2c@vger.kernel.org" <linux-i2c@vger.kernel.org>,
	"Ben Dooks (embedded platforms)" <ben-linux@fluff.org>,
	"Jean Delvare (PC drivers, core)" <khali@linux-fr.org>
Subject: Re: [PATCH 1/5] i2c: Convert i2c-octeon.c to use device tree.
Date: Wed, 18 Apr 2012 17:16:21 +0200	[thread overview]
Message-ID: <20120418151621.GF19802@pengutronix.de> (raw)
In-Reply-To: <4F7117FD.7000700@cavium.com>

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> >>-	if (i2c_data == NULL) {
> >>-		dev_err(i2c->dev, "no I2C frequency data\n");
> >>+	/*
> >>+	 * "clock-rate" is a legacy binding, the official binding is
> >>+	 * "clock-frequency".  Try the official one first and then
> >>+	 * fall back if it doesn't exist.
> >>+	 */
> >>+	data = of_get_property(pdev->dev.of_node, "clock-frequency",&len);
> >>+	if (!data || len != sizeof(*data))
> >>+		data = of_get_property(pdev->dev.of_node, "clock-rate",&len);
> >>+	if (data&&  len == sizeof(*data)) {
> >>+		i2c->twsi_freq = be32_to_cpup(data);
> >
> >Can't you use of_property_read_u32?
> 
> I will investigate, and use it if possible.

Any outcome?

And shouldn't the bindings be documented? Or are they only standard and
we hide the legacy one?

Regards,

   Wolfram

-- 
Pengutronix e.K.                           | Wolfram Sang                |
Industrial Linux Solutions                 | http://www.pengutronix.de/  |

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  reply	other threads:[~2012-04-18 15:16 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-03-27  0:27 [PATCH 0/5] MIPS: OCTEON: Convert some device to use Device Tree David Daney
2012-03-27  0:27 ` [PATCH 1/5] i2c: Convert i2c-octeon.c to use device tree David Daney
     [not found]   ` <1332808075-8333-2-git-send-email-ddaney.cavm-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2012-03-27  1:20     ` Rob Herring
     [not found]       ` <4F7115FA.6080507-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2012-03-27  1:22         ` Rob Herring
2012-03-27  1:29         ` David Daney
2012-04-18 15:16           ` Wolfram Sang [this message]
     [not found]             ` <20120418151621.GF19802-bIcnvbaLZ9MEGnE8C9+IrQ@public.gmane.org>
2012-04-18 16:20               ` David Daney
2012-03-27  0:27 ` [PATCH 2/5] netdev: mdio-octeon.c: Convert " David Daney
2012-03-27  0:27 ` [PATCH 3/5] netdev: octeon_mgmt: " David Daney
2012-03-27  0:27 ` [PATCH 4/5] staging: octeon_ethernet: " David Daney
2012-04-10 16:43   ` Greg Kroah-Hartman
2012-03-27  0:27 ` [PATCH 5/5] MIPS: Octeon: Use device tree to register serial ports David Daney

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