On Tue, Dec 3, 2013 at 4:20 AM, Alexandre Courbot <acour...@nvidia.com> wrote:
> Change the format of the platform GPIO lookup tables to make them less > confusing and improve lookup efficiency. > > The previous format was a single linked-list that required to compare > the device name and function ID of every single GPIO defined for each > lookup. Switch that to a list of per-device tables, so that the lookup > can be done in two steps, omitting the GPIOs that are not relevant for a > particular device. > > The matching rules are now defined as follows: > - The device name must match *exactly*, and can be NULL for GPIOs not > assigned to a particular device, > - If the function ID in the lookup table is NULL, the con_id argument of > gpiod_get() will not be used for lookup. However, if it is defined, it > must match exactly. > - The index must always match. > > Signed-off-by: Alexandre Courbot <acour...@nvidia.com> > Acked-by: Mika Westerberg <mika.westerb...@linux.intel.com> > Reviewed-by: Andy Shevchenko <andriy.shevche...@linux.intel.com> > --- > Changes since v2: > - Removed size member of the gpiod_lookup_table struct (thanks Heikki!) > - Added Andy's reviewed-by OK looks good, however I must get my fixes stack to Torvalds and pull -rc3 back in before I can apply this, it seems, as it builds upon pending fixes. Yours, Linus Walleij -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/