Messages in this thread | | | From | "Joakim Tjernlund" <> | Subject | RE: How to compile module params into kernel? | Date | Wed, 8 Nov 2006 21:22:24 +0100 |
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> -----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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