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SubjectRe: [PATCH] rtc: max8997: Add driver for max8997 rtc.
On Thu, 07 Feb 2013 10:43:23 +0900 wrote:

> > The best way of handling this sort of thing is for the driver to probe
> > the hardware, work out its capabilities and "do the right thing".
> >
> > The second best way is to require that the user add certain module
> > parameters to enable the functionality.
> >
> How do we create sysfs node for enabling these options?

I suggest using module_param[_named](), so users can execute "modprobe
max8997 wtsr=1". Or, if the driver is built into vmlinux, add
"max8997.wtsr=1" to the kernel boot command line.

Documentation/kernel-parameters.txt mentions this.

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