Messages in this thread | | | Date | Tue, 11 Mar 2014 11:27:13 +0100 | Subject | Re: [PATCH] pinctrl-baytrail: add function mux checking in gpio pin request | From | Linus Walleij <> |
| |
On Thu, Mar 6, 2014 at 2:59 PM, Chew Chiau Ee <chiau.ee.chew@intel.com> wrote:
> From: Chew, Kean Ho <kean.ho.chew@intel.com> > > The requested gpio pin must has the func_pin_mux field set > to GPIO function by BIOS/FW in advanced. Else, the gpio pin > request would fail. This is to ensure that we do not expose > any gpio pins which shall be used for alternate functions, > for eg: wakeup pin, I/O interfaces for LPSS, etc. > > Signed-off-by: Chew, Kean Ho <kean.ho.chew@intel.com> > Signed-off-by: Chew, Chiau Ee <chiau.ee.chew@intel.com>
Patch applied with Darren's ACK.
This confirms my suspicion that you will not be able to hide the pin control interface side of this hardware forever. ;-)
Mika/Mathias: any comments?
Yours, Linus Walleij
| |