irq flood with mmc boot partitions on s3c2416 with 3.0rc1
santosh.shilimkar at ti.com
Fri Jun 3 01:31:35 EDT 2011
On 6/3/2011 5:18 AM, Kyungmin Park wrote:
> 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.
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