Salut Jean-philippe,
jean-philippe francois <jp.francois@xxxxxxxxxx> writes:
> Hi list,
>
> Launching program using I2C after init leads to an oops with 3.9 on a
> custom dm3730 based board.
>
> Looking at the disassembly of the _enable function in omap_hwmod.o, I
> noticed the call to _enable_preprogram was a direct branch to an
> adress in the .text section in the middle of another function. Looking
> for _enable_preprogram, it was at the right offset, but in the
> .init.text section, so I guess this is why it works fine during the
> boot, and oops once init is started
>
> I recompiled the kernel with the attached patch and the oops is gone.
> Is that the right ting to do ?
Yes, that looks like the right thing to do.
Could you please send a proper patch with changelog and signoff?
Thanks,
Kevin
> Jean-Philippe François
>
>
> Index: b/arch/arm/mach-omap2/omap_hwmod.c
> ===================================================================
> --- a/arch/arm/mach-omap2/omap_hwmod.c
> +++ b/arch/arm/mach-omap2/omap_hwmod.c
> @@ -2066,7 +2066,7 @@
> * do so is present in the hwmod data, then call it and pass along the
> * return value; otherwise, return 0.
> */
> -static int __init _enable_preprogram(struct omap_hwmod *oh)
> +static int _enable_preprogram(struct omap_hwmod *oh)
> {
> if (!oh->class->enable_preprogram)
> return 0;
--
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