Re: [PATCH 1/2] power: reset: Add generic SYSCON register mapped poweroff.
From: Moritz Fischer
Date: Wed Mar 11 2015 - 20:52:10 EST
Paul,
On Wed, Mar 11, 2015 at 4:18 PM, Paul Bolle <pebolle@xxxxxxxxxx> wrote:
> MODULE_DEVICE_TABLE() is defined only in include/linux/module.h. The few
> related lines read (in next-20150311):
> #ifdef MODULE
> /* Creates an alias so file2alias.c can find device table. */
> #define MODULE_DEVICE_TABLE(type, name) \
> extern const typeof(name) __mod_##type##__##name##_device_table \
> __attribute__ ((unused, alias(__stringify(name))))
> #else /* !MODULE */
> #define MODULE_DEVICE_TABLE(type, name)
> #endif
>
> So I think MODULE_DEVICE_TABLE() is always preprocessed away for boolean
> code. Did I get that right?
Yeah, looking at that convinced me :) I have it already removed in v2.
>
>> >> +module_platform_driver(syscon_poweroff_driver);
>> >
>> > I think the built-in equivalent of this would be adding a wrapper that
>> > only does
>> > platform_driver_register(&syscon_poweroff_driver);
>>
>> I couldn't find other examples in the tree doing this. Any pointers?
>
> Please note "think". But see drivers/cpufreq/dbx500-cpufreq.c:
> static int __init dbx500_cpufreq_register(void)
> {
> return platform_driver_register(&dbx500_cpufreq_plat_driver);
> }
> device_initcall(dbx500_cpufreq_register);
>
> or drivers/gpio/gpio-vf610.c:
> static int __init gpio_vf610_init(void)
> {
> return platform_driver_register(&vf610_gpio_driver);
> }
> device_initcall(gpio_vf610_init);
I included it into v3. Thanks.
Thanks again for your feedback,
Moritz
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