Hi,

I observe the following timeout on a imx8mq-evk running linux-next 20200203:

# [   11.747858] mmc0: Timeout waiting for hardware interrupt.
[   11.753264] mmc0: sdhci: ============ SDHCI REGISTER DUMP ===========
[   11.759705] mmc0: sdhci: Sys addr:  0x00000800 | Version:  0x00000002
[   11.766145] mmc0: sdhci: Blk size:  0x00000200 | Blk cnt:  0x00000001
[   11.772584] mmc0: sdhci: Argument:  0x00000000 | Trn mode: 0x00000013
[   11.779024] mmc0: sdhci: Present:   0x01f88a0a | Host ctl: 0x00000011
[   11.785463] mmc0: sdhci: Power:     0x00000002 | Blk gap:  0x00000080
[   11.791902] mmc0: sdhci: Wake-up:   0x00000008 | Clock:    0x000020ff
[   11.798342] mmc0: sdhci: Timeout:   0x0000008f | Int stat: 0x00000000
[   11.804781] mmc0: sdhci: Int enab:  0x117f100b | Sig enab: 0x117f100b
[   11.811220] mmc0: sdhci: ACmd stat: 0x00000000 | Slot int: 0x00008402
[   11.817660] mmc0: sdhci: Caps:      0x07eb0000 | Caps_1:   0x8000b407
[   11.824100] mmc0: sdhci: Cmd:       0x0000083a | Max curr: 0x00ffffff
[   11.830539] mmc0: sdhci: Resp[0]:   0x00000900 | Resp[1]:  0xffffffff
[   11.836978] mmc0: sdhci: Resp[2]:   0x320f5913 | Resp[3]:  0x00d04f01
[   11.843416] mmc0: sdhci: Host ctl2: 0x00000008
[   11.847860] mmc0: sdhci: ADMA Err:  0x00000001 | ADMA Ptr: 0xf97d2200
[   11.854297] mmc0: sdhci: ============================================
[   11.860908] mmc0: error -110 whilst initialising MMC card
[   12.027806] mmc0: new HS400 MMC card at address 0001
[   12.033283] mmcblk0: mmc0:0001 R1J56L 13.8 GiB
[   12.038007] mmcblk0boot0: mmc0:0001 R1J56L partition 1 4.00 MiB
[   12.044112] mmcblk0boot1: mmc0:0001 R1J56L partition 2 4.00 MiB
[   12.050172] mmcblk0rpmb: mmc0:0001 R1J56L partition 3 128 KiB,
chardev (235:0)
[   12.058210]  mmcblk0: p1 p2

Haven't had a chance to debug this yet, but just reporting in case
anyone has any ideas.

Thanks

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