On Thu, 23 Mar 2017, Andy Shevchenko wrote:
> On Thu, 2017-03-23 at 11:21 +0000, Lee Jones wrote:
> > On Thu, 16 Mar 2017, Andy Shevchenko wrote:
> >
> > > There is a potential flaw if cell has id > 0 and is going to be
> > > registered with PLATFORM_DEVID_NONE.
> > >
> > > Ignore if PLATFORM_DEVID_NONE is supplied.
> >
> > This is a substantial change to a pretty tried and tested piece of
> > sub-system code. Can you put some more meat on the bones in the
> > commit log, and include examples.
>
> Example in pseudo code:
>
> cells = {
> [0] = { .id = 0, .name = "moduleX", },
> [1] = { .id = 1, .name = "moduleY", },
> [2] = { .id = 2, .name = "moduleZ", },
> ...
> };
>
> mfd_add_devices(..., PLATFORM_DEVID_NONE, cells, ARRAY_SIZE(cells),
> ...);
>
> Output (names of the devices in the drivers):
> "moduleX"
> "moduleY.0"
> "moduleX.1"
>
> Desired output:
> "moduleX"
> "moduleY"
> "moduleZ"
Then what would be your reason for populating the 'id' attribute?
> Is it by design?
>
> >
> > > Signed-off-by: Andy Shevchenko <andriy.shevche...@linux.intel.com>
> > > ---
> > > drivers/mfd/mfd-core.c | 2 +-
> > > 1 file changed, 1 insertion(+), 1 deletion(-)
> > >
> > > diff --git a/drivers/mfd/mfd-core.c b/drivers/mfd/mfd-core.c
> > > index c57e407020f1..c9583f895058 100644
> > > --- a/drivers/mfd/mfd-core.c
> > > +++ b/drivers/mfd/mfd-core.c
> > > @@ -149,7 +149,7 @@ static int mfd_add_device(struct device *parent,
> > > int id,
> > > int platform_id;
> > > int r;
> > >
> > > - if (id == PLATFORM_DEVID_AUTO)
> > > + if (id < 0)
> > > platform_id = id;
> > > else
> > > platform_id = id + cell->id;
> >
> >
>
--
Lee Jones
Linaro STMicroelectronics Landing Team Lead
Linaro.org │ Open source software for ARM SoCs
Follow Linaro: Facebook | Twitter | Blog
