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    SubjectRE: How to compile module params into kernel?
    Date
    > -----Original Message-----
    > From: Miguel Ojeda [mailto:maxextreme@gmail.com]
    > Sent: den 8 november 2006 21:17
    > To: Jesper Juhl
    > Cc: Joakim Tjernlund; linux-kernel@vger.kernel.org
    > Subject: Re: How to compile module params into kernel?
    >
    > On 11/8/06, Jesper Juhl <jesper.juhl@gmail.com> wrote:
    > > On 08/11/06, Joakim Tjernlund <joakim.tjernlund@transmode.se> wrote:
    > > > > -----Original Message-----
    > > > > From: Jesper Juhl [mailto:jesper.juhl@gmail.com]
    > > > >
    > > > > On 08/11/06, Joakim Tjernlund
    > <joakim.tjernlund@transmode.se> wrote:
    > > > > > Instead of passing a module param on the cmdline I want to
    > > > > compile that
    > > > > > into
    > > > > > the kernel, but I can't figure out how.
    > > > > >
    > > > > > The module param I want compile into kernel is
    > > > > > rtc-ds1307.force=0,0x68
    > > > > >
    > > > > > This is for an embeddet target that doesn't have
    > loadable module
    > > > > > support.
    > > > > >
    > > > > You could edit the module source and hardcode default values.
    > > > >
    > > >
    > > > Yes, but I don't want to do that since it makes maintance
    > > > harder.
    > > >
    > > Well, as far as I know, there's no way to specify default module
    > > options at compile time. The defaults are set in the module
    > source and
    > > are modifiable at module load time or by setting options on
    > the kernel
    > > command line at boot tiem. So, if that's no good for you I don't see
    > > any other way except modifying the source to hardcode new defaults.
    > >
    >
    > You can add parameter values at Kconfig using "int", "hex"... instead
    > of tristate, and then do something like:
    >
    > static unsigned int foo = CONFIG_foo;
    > module_param(foo, uint, S_IRUGO);
    > MODULE_PARM_DESC(foo, "foo value (uint)");

    hmm, don't quite understand.
    Can you rewrite that to match the cmdvar "rtc-ds1307.force=0,0x68" ?

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