[lkml]   [2011]   [Jul]   [9]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
    SubjectRe: [PATCH 1/2] drivers: create a pinmux subsystem v3
    On Mon, Jun 13, 2011 at 01:57:36PM -0600, Grant Likely wrote:
    > On Mon, Jun 13, 2011 at 10:58 AM, Linus Walleij

    > > +This get/enable/disable/put sequence can just as well be handled by bus drivers
    > > +if you don't want each and every driver to handle it and you know the
    > > +arrangement on your bus.

    > I would *strongly* recommend against individual device drivers
    > accessing the pinmux api. This is system level configuration code,
    > and should be handled at the system level.

    There can also be advantages to putting the pin into the designed mode
    without the driver being loaded from the electrical point of view. For
    example, selecting appropriate pull values for pads can cut down on
    power consumption.

     \ /
      Last update: 2011-07-09 12:25    [W:0.021 / U:91.340 seconds]
    ©2003-2016 Jasper Spaans. hosted at Digital OceanAdvertise on this site