Messages in this thread |  | | Date | Mon, 9 Dec 2013 14:07:29 +0100 | Subject | Re: [PATCH v3] gpio: better lookup method for platform GPIOs | From | Linus Walleij <> |
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On Tue, Dec 3, 2013 at 4:20 AM, Alexandre Courbot <acourbot@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 <acourbot@nvidia.com> > Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com> > Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> > --- > Changes since v2: > - Removed size member of the gpiod_lookup_table struct (thanks Heikki!) > - Added Andy's reviewed-by
Merged in v3.13-rc3 into my devel branch and applied this on top today.
Thanks! Linus Walleij
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