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?? -- To unsubscribe from this list: send the line "unsubscribe linux-mmc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
