From mboxrd@z Thu Jan 1 00:00:00 1970 From: rabin@rab.in (Rabin Vincent) Date: Wed, 13 Apr 2011 13:17:17 +0530 Subject: [Q] GIC : IRQ_TYPE_LEVEL_LOW interrupts In-Reply-To: <4DA4A1E2.9090304@ti.com> References: <4DA4A1E2.9090304@ti.com> Message-ID: To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On Wed, Apr 13, 2011 at 00:32, Santosh Shilimkar wrote: > As part of the commit 5c0c1f08a (gic: implement set_type) > change, I see that you are ignoring interrupts which > are of LOW_LEVEL type. Why is that ? > > There are interrupts of LOW_LEVEL type on OMAP and this > change break those. Please see the discussion on an earlier, similar patch: https://patchwork.kernel.org/patch/75509/. The discussion did not move further at that time and the "rather easy" solution mentioned there was implemented. The GIC spec seems to only talk about rising-edge and active high: http://infocenter.arm.com/help/topic/com.arm.doc.ihi0048a/CACCAGCF.html