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SubjectRe: [PATCH v4 4/9] power: reset: Add AT91RM9200 reset driver
On 05/03/2015 at 20:49:14 +0100, Paul Bolle wrote :
> On Thu, 2015-03-05 at 16:49 +0100, Alexandre Belloni wrote:
> > --- a/drivers/power/reset/Kconfig
> > +++ b/drivers/power/reset/Kconfig
> > @@ -30,6 +30,13 @@ config POWER_RESET_AT91_RESET
> > This driver supports restart for Atmel AT91SAM9 and SAMA5
> > SoCs
> >
> > +config POWER_RESET_AT91RM9200_RESET
> > + bool "Atmel AT91RM9200 reset driver"
>
> This adds a bool symbol.
>
> > + depends on ARCH_AT91 && MFD_SYSCON
> > + default SOC_AT91RM9200
> > + help
> > + This driver supports restart for Atmel AT91RM9200.
> > +
> > config POWER_RESET_AXXIA
> > bool "LSI Axxia reset driver"
> > depends on ARCH_AXXIA
> > diff --git a/drivers/power/reset/Makefile b/drivers/power/reset/Makefile
> > index 11de15bae52e..96e972bbb922 100644
> > --- a/drivers/power/reset/Makefile
> > +++ b/drivers/power/reset/Makefile
> > @@ -1,6 +1,7 @@
> > obj-$(CONFIG_POWER_RESET_AS3722) += as3722-poweroff.o
> > obj-$(CONFIG_POWER_RESET_AT91_POWEROFF) += at91-poweroff.o
> > obj-$(CONFIG_POWER_RESET_AT91_RESET) += at91-reset.o
> > +obj-$(CONFIG_POWER_RESET_AT91RM9200_RESET) += at91rm9200-reset.o
>
> This objectfile will never be modular.
>
> > obj-$(CONFIG_POWER_RESET_AXXIA) += axxia-reset.o
> > obj-$(CONFIG_POWER_RESET_BRCMSTB) += brcmstb-reboot.o
> > obj-$(CONFIG_POWER_RESET_GPIO) += gpio-poweroff.o
> > diff --git a/drivers/power/reset/at91rm9200-reset.c b/drivers/power/reset/at91rm9200-reset.c
> > new file mode 100644
> > index 000000000000..b739ac82b9c9
> > --- /dev/null
> > +++ b/drivers/power/reset/at91rm9200-reset.c
> > @@ -0,0 +1,72 @@
>
> > +#include <linux/module.h>
>
> Is this needed?
>
> > +static struct platform_driver at91rm9200_reset_driver = {
> > + .probe = at91rm9200_reset_probe,
> > + .driver = {
> > + .name = "at91rm9200-reset",
> > + .of_match_table = at91rm9200_reset_of_match,
> > + },
> > +};
> > +module_platform_driver(at91rm9200_reset_driver);
>
> This should, perhaps, be replaced by a wrapper that calls
> platform_driver_register(at91rm9200_reset_driver)
>
> while that wrapper is, well, called through
> device_initcall()
>
> or something similar. I didn't test this suggestion.
>
> > +MODULE_ALIAS("platform:at91rm9200-reset");
> > +MODULE_AUTHOR("Alexandre Belloni <alexandre.belloni@free-electrons.com>");
> > +MODULE_DESCRIPTION("Atmel at91rm9200 System Timer Reset driver");
> > +MODULE_LICENSE("GPL v2");
>
> All these macros will be, basically, preprocessed away.
>
>

Indeed, a lot got cargo culted/copy-pasted. I'll fix it and the
at91-reset driver too.

Thanks!

--
Alexandre Belloni, Free Electrons
Embedded Linux, Kernel and Android engineering
http://free-electrons.com


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