linux-kernel - Re: [PATCH] mfd: Add support for CPLD chip on Mikrotik RB4xx boards

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Date:	Tue, 07 Apr 2015 00:49:24 +0200
From:	Bert Vermeulen <bert@...t.com>
To:	Andy Shevchenko <andy.shevchenko@...il.com>
CC:	Ralf Baechle <ralf@...ux-mips.org>,
	Samuel Ortiz <sameo@...ux.intel.com>,
	Lee Jones <lee.jones@...aro.org>, linux-mips@...ux-mips.org,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] mfd: Add support for CPLD chip on Mikrotik RB4xx boards

Hi Andy,

I will submit a new version with your comments addressed. However this one:

On 04/06/2015 12:13 PM, Andy Shevchenko wrote:

>> +static struct spi_driver rb4xx_cpld_driver = {
>> +       .probe = rb4xx_cpld_probe,
>> +       .remove = rb4xx_cpld_remove,
>> +       .driver = {
>> +               .name = "rb4xx-cpld",
>> +               .bus = &spi_bus_type,
>> +               .owner = THIS_MODULE,
> 
> Do we really need this line?
>
> +       },
> +};
> +
> +module_spi_driver(rb4xx_cpld_driver);

Yes, apparently. It's only the module_platform_driver() macro that
automatically fills in the owner field. All SPI protocol drivers do this
(except one, video/backlight/hx8357.c). Having said that, I don't really get
what that field is used for.


-- 
Bert Vermeulen        bert@...t.com          email/xmpp
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