Hi Ben, On Wed, Apr 06, 2011 at 03:08:09, Ben Gardiner wrote: > Both the da850 and da830 have an I2C controller which has the ICPFUNC > registers. Indicate this for all da830 and da850 boards by setting the > has_pfunc flag true in the da8xx utility setup routine for registering the > I2C controller > > Signed-off-by: Ben Gardiner <[email protected]> > Cc: Sekhar Nori <[email protected]> > Cc: Ben Dooks <[email protected]> > > --- > arch/arm/mach-davinci/devices-da8xx.c | 6 ++++++ > 1 files changed, 6 insertions(+), 0 deletions(-) > > diff --git a/arch/arm/mach-davinci/devices-da8xx.c > b/arch/arm/mach-davinci/devices-da8xx.c > index beda8a4..da01558 100644 > --- a/arch/arm/mach-davinci/devices-da8xx.c > +++ b/arch/arm/mach-davinci/devices-da8xx.c > @@ -324,6 +324,12 @@ int __init da8xx_register_i2c(int instance, > else > return -EINVAL; > > + /* > + * Both the DA850 and DA830 have an I2C controller which has the > + * ICPFUNC et. al. registers > + */ > + pdata->has_pfunc = 1;
The I2C driver implements a default platform data so it should actually be legal for a DA8x board to pass NULL platform data. In that case this line will crash. You should either check for pdata to be NULL or just let each board choose whether it needs recovery (I think the better option). Thanks, Sekhar -- To unsubscribe from this list: send the line "unsubscribe linux-i2c" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
