From mboxrd@z Thu Jan 1 00:00:00 1970 From: santosh.shilimkar@ti.com (Santosh Shilimkar) Date: Fri, 03 Jun 2011 11:01:35 +0530 Subject: irq flood with mmc boot partitions on s3c2416 with 3.0rc1 In-Reply-To: References: <201106022149.47936.heiko@sntech.de> Message-ID: <4DE871B7.1080007@ti.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On 6/3/2011 5:18 AM, Kyungmin Park wrote: > Hi, > > Interesting, I also use the latest kernel and boot well. > As I don't have the s3c2416 user manaul, I'm not sure it's support > AUTO CMD12 or not. but at least it's support at s3c6410 and later. > > [ 1.355000] sdhci: Secure Digital Host Controller Interface driver > [ 1.360000] sdhci: Copyright(c) Pierre Ossman > [ 1.365000] s3c-sdhci s3c-sdhci.0: clock source 2: sclk_mmc (50000000 Hz) > [ 1.375000] mmc0: SDHCI controller on samsung-hsmmc [s3c-sdhci.0] using ADMA > [ 1.380000] s3c-sdhci s3c-sdhci.2: clock source 2: sclk_mmc (50000000 Hz) > [ 1.385000] mmc1: no vmmc regulator found > [ 1.390000] mmc1: SDHCI controller on samsung-hsmmc [s3c-sdhci.2] using ADMA > [ 1.400000] s3c-sdhci s3c-sdhci.3: clock source 2: sclk_mmc (50000000 Hz) > [ 1.405000] mmc2: no vmmc regulator found > [ 1.410000] mmc2: SDHCI controller on samsung-hsmmc [s3c-sdhci.3] using ADMA > ... > [ 1.435000] Waiting for root device /dev/mmcblk0p3... > [ 1.650000] mmc0: new high speed MMC card at address 0001 > [ 1.655000] mmcblk0: mmc0:0001 SEM08G 7.39 GiB > [ 1.660000] mmcblk0boot0: mmc0:0001 SEM08G partition 1 1.00 MiB > [ 1.665000] mmcblk0boot1: mmc0:0001 SEM08G partition 2 1.00 MiB > [ 1.675000] mmcblk0: p1 p2 p3 p4< p5 p6> > [ 1.680000] mmcblk0boot1: unknown partition table > [ 1.685000] mmcblk0boot0: unknown partition table > > I also check the external SD card. > There seems to some regression in MMC statck. I too observed lot of interrupts from MMC and I2C with V3.0-rc1 on OMAP. Regards Santosh