From mboxrd@z Thu Jan 1 00:00:00 1970 From: ckeepax@opensource.wolfsonmicro.com (Charles Keepax) Date: Fri, 6 Mar 2015 17:43:16 +0000 Subject: [PATCH 05/10] ARM: s3c64xx: enable sparse IRQ support In-Reply-To: <1425299763-4066822-6-git-send-email-arnd@arndb.de> References: <1425299763-4066822-1-git-send-email-arnd@arndb.de> <1425299763-4066822-6-git-send-email-arnd@arndb.de> Message-ID: <20150306174316.GA26692@opensource.wolfsonmicro.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On Mon, Mar 02, 2015 at 01:35:58PM +0100, Arnd Bergmann wrote: > This is another prerequisite for enabling multiplatform > support, and it is the part I am least certain about. > > I assume it will cause the extra boot message "Cannot > allocate irq_descs @ IRQ%d, assuming pre-allocated" to > be printed, but otherwise work ok. This definitely needs > to be tested on real hardware to see if it works. > > Signed-off-by: Arnd Bergmann > --- This one appears to cause some problems with the IRQs on Cragganmore, I need to look into it a bit more but it looks like one of the PMICs can't allocate its IRQs: [ 0.961455] wm831x 1-0034: WM8311 revision C [ 0.965066] wm831x 1-0034: Failed to allocate IRQs: -17 And the CODEC can't request its IRQ: [ 4.252735] arizona spi0.1: WM5102 revision C [ 4.269763] arizona spi0.1: Failed to request primary IRQ 263: -22 Hopefully I can look into this a little more next week. Thanks, Charles