Messages in this thread | | | Date | Mon, 2 Jun 2014 22:13:22 +0300 | From | Mika Westerberg <> | Subject | Re: [PATCH 1/1] PINCTRL: Warn if direct IRQ GPIO set to output |
| |
On Mon, Jun 02, 2014 at 11:35:16AM -0700, eric ernst wrote: > On 14-05-30 01:48 AM, Mika Westerberg wrote: > >On Tue, May 27, 2014 at 12:26:44PM -0700, eric.ernst@linux.intel.com wrote: > >>From: Eric Ernst <eric.ernst@linux.intel.com> > >> > >>For Baytrail, you should never set a GPIO set to direct_irq > >>to output mode. When direct_irq_en is set for a GPIO, it is > >>tied directly to an APIC internally, and making the pad output > >>does not make any sense. Assert a WARN() in the event this happens. > >Can't we just clear that flag when the GPIO is requested? Or is this > >something which can't be done at this point? > The IRQ setting for that register (the IRQ wiring via direct_irq_en) should > be set statically on boot, and should not be changed, let alone allowing for > multiple changes during runtime.
OK.
Please then follow the coding conventions documented in Documentation/SubmittingPatches and also check that scripts/checkpatch.pl doesn't complain too much.
| |