On Mon, Aug 23, 2010 at 06:05:24AM +0000, Ricoh wrote: > For the ADMA enabled SD Host Controller, SDHCI driver is not working fine. > sdhci device gets an error "mmc0: unexpected interrupt" when an sdhc card is > inserted. > > This unexpected interrupt is the result of ADMA error. > Refer the following dmesg informaion for more details. > > mmc0: Unexpected interrupt 0x02000000. > sdhci: ============== REGISTER DUMP ============== > sdhci: Sys addr: 0x00000000 | Version: 0x00000401 > sdhci: Blk size: 0x00007008 | Blk cnt: 0x00000001 > sdhci: Argument: 0x00000000 | Trn mode: 0x00000013 > sdhci: Present: 0x01f70202 | Host ctl: 0x00000011 > sdhci: Power: 0x0000000f | Blk gap: 0x00000000 > sdhci: Wake-up: 0x00000000 | Clock: 0x00004007 > sdhci: Timeout: 0x0000000a | Int stat: 0x02008008 > sdhci: Int enab: 0x02ff00cb | Sig enab: 0x02ff00cb > sdhci: AC12 err: 0x00000000 | Slot int: 0x00000001 > sdhci: Caps: 0x21e832b2 | Max curr: 0x00000040 > sdhci: ADMA Err: 0x00000001 | ADMA Ptr: 0x020003b4 > sdhci: =========================================== > > Is there any updated information regarding to this issue?? We would need to know which kernel version you are using (it should be as new as possible) and which SDHC controller. Kind regards, Wolfram -- Pengutronix e.K. | Wolfram Sang | Industrial Linux Solutions | http://www.pengutronix.de/ |
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