mmc0: Unexpected interrupt 0x04000000.

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Hi there,

I am trying to get sdhci-pci driver to work with the following hardware:

$ sudo lspci -s 03:00.1 -v -nn
03:00.1 SD Host controller [0805]: Broadcom Limited BCM57765/57785
SDXC/MMC Card Reader [14e4:16bc] (rev 10) (prog-if 01)
Subsystem: Broadcom Limited BCM57765/57785 SDXC/MMC Card Reader [14e4:96bc]
Flags: bus master, fast devsel, latency 0, IRQ 17
Memory at c1820000 (64-bit, prefetchable) [size=64K]
Capabilities: [48] Power Management version 3
Capabilities: [58] MSI: Enable- Count=1/1 Maskable- 64bit+
Capabilities: [ac] Express Endpoint, MSI 00
Capabilities: [100] Advanced Error Reporting
Capabilities: [150] Power Budgeting <?>
Capabilities: [160] Virtual Channel
Kernel driver in use: sdhci-pci
Kernel modules: sdhci_pci

I am using a MacBookPro10,1. I cannot get the driver to work when
using a SDHC Samsung Evo 16GB (placed inside a card reader), it always
report the following (1).

If I now place the card onto a USB reader (USB-HUB reader) then
everything is fine (tested using f3: f3probe). Are there any options I
can switch to make the driver more tolerant with my hardware ?

Thanks

Current system is Debian stable with kernel 4.14 (backport), modinfo returns:

$ /sbin/modinfo sdhci-pci
filename:
/lib/modules/4.14.0-0.bpo.2-amd64/kernel/drivers/mmc/host/sdhci-pci.ko
license:        GPL
description:    Secure Digital Host Controller Interface PCI driver
author:         Pierre Ossman <pierre@xxxxxxxxx>
alias:          pci:v*d*sv*sd*bc08sc05i*
alias:          pci:v00001022d*sv*sd*bc08sc05i*
alias:          pci:v00001217d00008621sv*sd*bc*sc*i*
alias:          pci:v00001217d00008620sv*sd*bc*sc*i*
alias:          pci:v00001217d00008421sv*sd*bc*sc*i*
alias:          pci:v00001217d00008420sv*sd*bc*sc*i*
(...)
alias:          pci:v00001524d00000551sv*sd*bc*sc*i*
alias:          pci:v00001524d00000550sv*sd*bc*sc*i*
alias:          pci:v00001180d0000E823sv*sd*bc*sc*i*
alias:          pci:v00001180d0000E822sv*sd*bc*sc*i*
alias:          pci:v00001180d00000843sv*sd*bc*sc*i*
alias:          pci:v00001180d00000822sv*sd*bc*sc*i*
depends:        sdhci,mmc_core
intree:         Y
name:           sdhci_pci
vermagic:       4.14.0-0.bpo.2-amd64 SMP mod_unload modversions


(1)
[  220.210842] mmc0: Tuning timeout, falling back to fixed sampling clock
[  220.210934] mmc0: new ultra high speed DDR50 SDHC card at address 59b4
[  220.219075] mmcblk0: mmc0:59b4 00000 14.9 GiB
[  230.362858] mmc0: Timeout waiting for hardware interrupt.
[  230.362868] mmc0: sdhci: ============ SDHCI REGISTER DUMP ===========
[  230.362918] mmc0: sdhci: Sys addr:  0x000000c8 | Version:  0x00001502
[  230.362927] mmc0: sdhci: Blk size:  0x00007200 | Blk cnt:  0x00000008
[  230.362937] mmc0: sdhci: Argument:  0x00000000 | Trn mode: 0x0000003b
[  230.362946] mmc0: sdhci: Present:   0x1fff0000 | Host ctl: 0x0000001f
[  230.362955] mmc0: sdhci: Power:     0x0000000f | Blk gap:  0x00000000
[  230.362964] mmc0: sdhci: Wake-up:   0x00000000 | Clock:    0x00000007
[  230.362974] mmc0: sdhci: Timeout:   0x0000000a | Int stat: 0x00000000
[  230.362982] mmc0: sdhci: Int enab:  0x02ff008b | Sig enab: 0x02ff008b
[  230.362992] mmc0: sdhci: AC12 err:  0x00000010 | Slot int: 0x00000000
[  230.363001] mmc0: sdhci: Caps:      0x176ec8b0 | Caps_1:   0x03002177
[  230.363011] mmc0: sdhci: Cmd:       0x0000123a | Max curr: 0x00000000
[  230.363020] mmc0: sdhci: Resp[0]:   0x00001201 | Resp[1]:  0x00000000
[  230.363029] mmc0: sdhci: Resp[2]:   0x00000000 | Resp[3]:  0x00000000
[  230.363035] mmc0: sdhci: Host ctl2: 0x0000804c
[  230.363047] mmc0: sdhci: ADMA Err:  0x00000001 | ADMA Ptr: 0x0000000457940204
[  230.363049] mmc0: sdhci: ============================================
[  230.363119] mmc0: Unexpected interrupt 0x04000000.
[  230.363128] mmc0: sdhci: ============ SDHCI REGISTER DUMP ===========
[  230.363157] mmc0: sdhci: Sys addr:  0x00000000 | Version:  0x00001502
[  230.363166] mmc0: sdhci: Blk size:  0x00007200 | Blk cnt:  0x00000008
[  230.363174] mmc0: sdhci: Argument:  0x00000000 | Trn mode: 0x00000033
[  230.363184] mmc0: sdhci: Present:   0x1fff0001 | Host ctl: 0x0000001f
[  230.363193] mmc0: sdhci: Power:     0x0000000f | Blk gap:  0x00000000
[  230.363203] mmc0: sdhci: Wake-up:   0x00000000 | Clock:    0x00000007
[  230.363214] mmc0: sdhci: Timeout:   0x0000000a | Int stat: 0x00000000
[  230.363225] mmc0: sdhci: Int enab:  0x02ff008b | Sig enab: 0x02ff008b
[  230.363234] mmc0: sdhci: AC12 err:  0x00000000 | Slot int: 0x00000000
[  230.363244] mmc0: sdhci: Caps:      0x176ec8b0 | Caps_1:   0x03002177
[  230.363253] mmc0: sdhci: Cmd:       0x00000c1a | Max curr: 0x00000000
[  230.363263] mmc0: sdhci: Resp[0]:   0x00001201 | Resp[1]:  0x00000000
[  230.363272] mmc0: sdhci: Resp[2]:   0x00000000 | Resp[3]:  0x00000000
[  230.363278] mmc0: sdhci: Host ctl2: 0x0000800c
[  230.363292] mmc0: sdhci: ADMA Err:  0x00000001 | ADMA Ptr: 0x0000000457940204
[  230.363294] mmc0: sdhci: ============================================
[  230.363509] mmcblk0: error -110 sending stop command, original cmd
response 0x0, card status 0x400900
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