On Tue, May 31, 2016 at 10:05 AM, Masahiro Yamada <[email protected]> wrote:
> Currently, struct pinctrl_pin_desc can have per-pin driver private > data, but it is not copied to struct pin_desc. > > For a driver with sparse pin space, for-loop search like below would > be necessary in order to get the driver-specific data for a desired > pin number. > > for (i = 0; i < pctldev->desc->npins; i++) > if (pin_number == pctldev->desc->pins[i].number) > return pctldev->desc->pins[i].drv_data; > > This is not efficient for a driver with a large number of pins. > So, copy the data to struct pin_desc when each pin is registered > for the faster radix tree lookup. > > Signed-off-by: Masahiro Yamada <[email protected]> > --- > This is a re-sent of > http://patchwork.ozlabs.org/patch/626015/ > > I included it again in this series because it is a prerequisite > of 9/17. Otherwise, the kbuild test robot might start > complaining about the build error. OK already applied. Yours, Linus Walleij
