Section Mismatch error

[Rahul Bedarkar]

try removing __devinit and __devexit from probe and remove. This is not
needed as it is module.


On Tue, Jul 30, 2013 at 4:36 PM, Vignesh Radhakrishnan <
vignesh1192 at gmail.com> wrote:

> Hi,
>
> I am facing the following error when i am building the kernel.
>
>
> ERROR: modpost: Found 2 section mismatch(es).
> To see full details build your kernel with:
> 'make CONFIG_DEBUG_SECTION_MISMATCH=y'
> To build the kernel despite the mismatches, build with:
> 'make CONFIG_NO_ERROR_ON_MISMATCH=y'
> (NOTE: This is not recommended)
> make[3]: *** [__modpost] Error 1
> make[2]: *** [modules] Error 2
> make[1]: *** [sub-make] Error 2
>
> After i did make the kernel using make CONFIG_DEBUG_SECTION_MISMATCH=y it
> said *section mismatch .*
>
> I am trying to write a platform driver (not sure if my code is right )
>
> #include<linux/spinlock.h>
> #include <linux/module.h>       /* Needed by all modules */
> #include <linux/kernel.h>
> #include <asm/io.h>     /* Needed for KERN_INFO */
> #include <linux/platform_device.h>
> MODULE_LICENSE ("GPL");
>
>
> static int __devinit my_module_probe(struct platform_device *pdev){
>
>
>     printk(KERN_INFO "Probe\n");
>
>        return 0;
>
> }
> static int  __devexit my_module_remove (struct platform_device *pdev)
> {
>
>         printk(KERN_INFO "Goodbye world 1.\n");
>     return 0;
>
> }
> static struct of_device_id spinlock_match[] = {
>         {.compatible = "spinlockcrash"},
>         {}
> };
>
>
> static struct platform_driver spinlock_platformdev = {
>         .probe          = my_module_probe,
>         .remove         = __devexit_p(my_module_remove),
>         .driver         = {
>                 .name   = "spinlock_platformdev",
>                 .owner  = THIS_MODULE,
>         .of_match_table = spinlock_match,
>         },
> };
>
>
>
> static int __init mymodule_init(void)
> {
>         printk(KERN_INFO "INIT");
>
>             platform_driver_register(&spinlock_platformdev);
>         return 0;
> }
> static void __exit mymodule_exit(void)
> {
>     printk(KERN_INFO "GOOD BYE");
>         platform_driver_unregister(&spinlock_platformdev);
> }
>
> module_init(mymodule_init);
> module_exit(mymodule_exit);
>
>
>
> Can anybody throw some light on what might be happening here ?
>
>
> Thanks and regards,
>  Vignesh
> --
> http://vigneshradhakrishnan.blogspot.com/
>
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