[PATCH v6 1/3] MTD : add the common code for GPMI controller driver

Lothar Waßmann LW at KARO-electronics.de
Tue Apr 26 06:09:21 EDT 2011


Hi,

Huang Shijie writes:
> Hi:
> > Huang Shijie writes:
> >> +/* debug control */
> >> +int gpmi_debug;
> >> +
> > This could be a module_param.
> >
> I think the module_param is not easy to use.
> I want to know the log when the gpmi driver is running, and change the 
> log level as soon
> as my need changs.
> 
> So I prefer to use the origin method.
> 
> 
|static int debug;
|module_param(debug, int, S_IRUGO | S_IWUSR);
is all you need to do exactly what you want.

You can write to /sys/module/imx28-gpmi-nfc/parameters/debug at any
time to change the debug level.


Lothar Waßmann
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