Monaco EVK emmc driver timeouts with qcom-next

[lool]

Hi

I'm working on booting Monaco EVK (RB4) from eMMC; with qcom-next 6.19.0-rc4-g65bb05266d47 I get the boot log below with errors like:

[   10.637762] mmc0: running CQE recovery
[   11.168428] mmc0: cqhci: Failed to halt
[   21.216381] mmc0: Timeout waiting for hardware interrupt.
[   21.221948] mmc0: sdhci: ============ SDHCI REGISTER DUMP ===========
[   21.228561] mmc0: sdhci: Sys addr:  0x00000000 | Version:  0x00007202
[   21.235174] mmc0: sdhci: Blk size:  0x00000200 | Blk cnt:  0x00000000
[   21.241786] mmc0: sdhci: Argument:  0x00000000 | Trn mode: 0x00000013
[   21.248399] mmc0: sdhci: Present:   0x03f800f1 | Host ctl: 0x0000001f
[   21.255011] mmc0: sdhci: Power:     0x0000000d | Blk gap:  0x00000000
[   21.261624] mmc0: sdhci: Wake-up:   0x00000000 | Clock:    0x00000007
[   21.268236] mmc0: sdhci: Timeout:   0x0000000d | Int stat: 0x00000000
[   21.274848] mmc0: sdhci: Int enab:  0x00ff1003 | Sig enab: 0x00ff1003
[   21.281460] mmc0: sdhci: ACmd stat: 0x00000000 | Slot int: 0x00000000
[   21.288071] mmc0: sdhci: Caps:      0x322dc8b2 | Caps_1:   0x0000808f
[   21.294682] mmc0: sdhci: Cmd:       0x00000c13 | Max curr: 0x00000000
[   21.301292] mmc0: sdhci: Resp[0]:   0x00000000 | Resp[1]:  0x00000000
[   21.307904] mmc0: sdhci: Resp[2]:   0x00000000 | Resp[3]:  0x00000000
[   21.314516] mmc0: sdhci: Host ctl2: 0x0000000b
[   21.319081] mmc0: sdhci: ADMA Err:  0x00000000 | ADMA Ptr: 0x0000000000000000
[   21.326411] mmc0: sdhci_msm: ----------- VENDOR REGISTER DUMP -----------
[   21.333377] mmc0: sdhci_msm: DLL sts: 0x000001f4 | DLL cfg:  0x00e764ee | DLL cfg2: 0x0000a800
[   21.342217] mmc0: sdhci_msm: DLL cfg3: 0x00000010 | DLL usr ctl:  0x2c010800 | DDR cfg: 0x80040873
[   21.351412] mmc0: sdhci_msm: Vndr func: 0x00000a9c | Vndr func2 : 0xf88218a8 Vndr func3: 0x02626040
[   21.360691] mmc0: sdhci: ============================================
[   31.456522] mmc0: Timeout waiting for hardware interrupt.

and finishing with a long list of:

[  315.794496] mmc0: Card stuck being busy! __mmc_poll_for_busy

hc-emmc2.txt

[lool]

NB: I'm working on images from CI, but I need this addressed first:
qualcomm-linux/qcom-ptool#62