Hi Sekhar, On Wed, Apr 13, 2011 at 11:10 AM, Nori, Sekhar <nsekhar@xxxxxx> wrote: > 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 <bengardiner@xxxxxxxxxxxxxx> >> Cc: Sekhar Nori <nsekhar@xxxxxx> >> Cc: Ben Dooks <ben-linux@xxxxxxxxx> >> >> --- >> 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. Good catch, thanks. > [...] You should either check for pdata to > be NULL or just let each board choose whether it > needs recovery (I think the better option). I understand "check for pdata to be NULL." If you think it is the better option I'd be happy to implement it but I don't understand how to implement "let each board choose whether it needs recovery." Best Regards, Ben Gardiner --- Nanometrics Inc. http://www.nanometrics.ca -- To unsubscribe from this list: send the line "unsubscribe linux-i2c" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html