netdev - Re: [PATCH v3 4/7] ARM: davinci: net: davinci

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Date:	Thu, 17 May 2012 12:51:00 +0530
From:	Sekhar Nori <nsekhar@...com>
To:	<hs@...x.de>
CC:	"davinci-linux-open-source@...ux.davincidsp.com" 
	<davinci-linux-open-source@...ux.davincidsp.com>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	"devicetree-discuss@...ts.ozlabs.org" 
	<devicetree-discuss@...ts.ozlabs.org>,
	"netdev@...r.kernel.org" <netdev@...r.kernel.org>,
	Grant Likely <grant.likely@...retlab.ca>,
	Wolfgang Denk <wd@...x.de>, Anatoly Sivov <mm05@...l.ru>
Subject: Re: [PATCH v3 4/7] ARM: davinci: net: davinci_emac: add OF support

On 5/17/2012 12:02 PM, Heiko Schocher wrote:
> Nori, Sekhar wrote:
>> On Mon, Mar 05, 2012 at 16:40:01, Heiko Schocher wrote:

>>> +#ifdef CONFIG_OF
>>> +static struct emac_platform_data
>>> +	*davinci_emac_of_get_pdata(struct platform_device *pdev,
>>> +	struct emac_priv *priv)
>>> +{
>>> +	struct device_node *np;
>>> +	struct device_node *pinmux_np;
>>> +	struct emac_platform_data *pdata = NULL;
>>> +	const u8 *mac_addr;
>>> +	u32 data;
>>> +	int ret;
>>> +	int version;
>>> +
>>> +	np = pdev->dev.of_node;
>>> +	if (!np)
>>> +		goto nodata;
>>> +	else
>>> +		version = EMAC_VERSION_2;
>>
>> You could set pdata->version directly here. 
> 
> done.

Just noticed that pdata is not setup at this time. I guess you will be
moving around some code to do this.

>>> +
>>> +	pinmux_np = of_parse_phandle(np, "pinmux-handle", 0);
>>> +	if (pinmux_np)
>>> +		davinci_cfg_reg_of(pinmux_np);
>>
>> This is a DaVinci specific pinmux function and this
>> driver can be used in non-DaVinci platforms like C6x
>> and OMAP. So, it will not be correct to call a DaVinci
>> specific function here.
> 
> Ah, right!
> 
>> Can you drop the pinmux from this patch for now? On DaVinci,
> 
> Done ... Hmm.. so I think, I should drop this for all patches
> from my patchset, right?

Yes.

> 
>> for pinmux, we need to migrate to drivers/pinctrl/ as well.
> 
> Ah, I see ... take a look at it, maybe I find time to do here
> something ... or do you know about work in progress here?

There is no work in progress within TI. So, if you are interested in
taking a stab it it, it will be great.

> 
>> Doing this will also make this patch independent of the rest
>> of this series can even be merged separately. Can you please
>> make these changes and resend just this patch?
> 
> Yep, I do some test with the changes you requested and resend
> this patch ... do you prefer some tree, which I should use as
> base?

This one should ideally merge through the network subsystem so may be
base it on the net-next tree?

http://git.kernel.org/?p=linux/kernel/git/davem/net-next.git;a=summary

Thanks,
Sekhar
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