From mboxrd@z Thu Jan 1 00:00:00 1970 From: andreiw@motorola.com (Andrei Warkentin) Date: Thu, 16 Jun 2011 15:35:52 -0500 Subject: irq flood with mmc boot partitions on s3c2416 with 3.0rc1 In-Reply-To: <201106162214.11084.heiko@sntech.de> References: <201106022149.47936.heiko@sntech.de> <201106141610.42700.heiko@sntech.de> <201106162214.11084.heiko@sntech.de> Message-ID: To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Hi, On Thu, Jun 16, 2011 at 3:14 PM, Heiko St?bner wrote: > Am Dienstag 14 Juni 2011, 22:32:41 schrieb Andrei Warkentin: >> Hi Heiko, >> >> On Tue, Jun 14, 2011 at 9:10 AM, Heiko St?bner wrote: >> > nope, no updates yet. The flood also only starts when udev wants to >> > create its device nodes, meaning the initial detection seems not to >> > produce this problem >> > >> > But when I disable the whole boot partition stuff, it works as before >> > without irq storms. >> > >> > As there don't seem to exist reports from other emmc users about this >> > I guess the problem lays somewhere between the boot-partitions-patch >> > and the sdhci-s3c driver (for s3c2416 at least). >> >> Alright. Curious. Can you let me know what eMMC device you are >> connecting to the controller? What is the eMMC revision? > hmm ... how do I find these? The simplest is probably knowing what part is in your platform. The slightly more involved is adding a relevant printk for card->ext_csd.rev inside drivers/mmc/core/mmc.c. > The real device providing the storage is a 2GB NAND Flash from Hynix. > > And sadly both of your patches didn't change anything. > Can you provide me dmesg for both patches? Thanks again, A