Re: [PATCH] mmc: sdhci-pci: disable intel voltage switch if unsupported

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On Mon, Nov 05, 2018 at 03:37:05PM +0200, Adrian Hunter wrote:
> On 4/11/18 6:33 PM, Anisse Astier wrote:
> > Hi Adrian,
> > 
> > On Thu, Oct 25, 2018 at 12:06:31PM +0200, Anisse Astier wrote:
> >> On Tue, Oct 23, 2018 at 04:47:05PM +0300, Adrian Hunter wrote:
> >>> Here are a couple of patches to get a bit more information.  Also, if you
> >>> config sdhci as built-in (y instead of m) then we should see a debug message
> >>> from the interrupt handler.
> >>
> >> Please find the new log here:
> >> https://anisse.astier.eu/static/dmesg-4.19.nocqe-builtin-regdump.txt.xz
> >>
> >> CQHCI is still disabled, sdhci is built-in, and it has your register
> >> dump patches applied. Here is the register dump after the first (and
> >> only) timeout:
> >>
> >> [   16.312690] mmc0: Timeout waiting for hardware interrupt.
> >> [   16.312702] mmc0: sdhci: ============ SDHCI REGISTER DUMP ===========
> >> [   16.312711] mmc0: sdhci: Sys addr:  0x00000008 | Version:  0x00001002
> >> [   16.312718] mmc0: sdhci: Blk size:  0x00007200 | Blk cnt:  0x00000008
> >> [   16.312726] mmc0: sdhci: Argument:  0x00cf3f80 | Trn mode: 0x0000003b
> >> [   16.312733] mmc0: sdhci: Present:   0x1fff0206 | Host ctl: 0x0000003d
> >> [   16.312740] mmc0: sdhci: Power:     0x0000000b | Blk gap:  0x00000080
> >> [   16.312747] mmc0: sdhci: Wake-up:   0x00000000 | Clock:    0x00000007
> >> [   16.312753] mmc0: sdhci: Timeout:   0x00000006 | Int stat: 0x00000000
> >> [   16.312760] mmc0: sdhci: Int enab:  0x02ff000b | Sig enab: 0x02ff000b
> >> [   16.312767] mmc0: sdhci: AC12 err:  0x00000000 | Slot int: 0x00000000
> >> [   16.312774] mmc0: sdhci: Caps:      0x546ec881 | Caps_1:   0x80000807
> >> [   16.312780] mmc0: sdhci: Cmd:       0x0000123a | Max curr: 0x00000000
> >> [   16.312786] mmc0: sdhci: Resp[0]:   0x00000800 | Resp[1]:  0x00000000
> >> [   16.312793] mmc0: sdhci: Resp[2]:   0x00000000 | Resp[3]:  0x00000900
> >> [   16.312799] mmc0: sdhci: Host ctl2: 0x0000000d
> >> [   16.312807] mmc0: sdhci: ADMA Err:  0x00000000 | ADMA Ptr: 0x000000016ab6d200
> >> [   16.312814] mmc0: sdhci: 0x804:     0x00000800
> >> [   16.312821] mmc0: sdhci: 0x808:     0x00000800
> >> [   16.312827] mmc0: sdhci: 0x810:     0x0000005a
> >> [   16.312833] mmc0: sdhci: 0x814:     0x3050eb1e
> >> [   16.312839] mmc0: sdhci: 0x818:     0x040040c8
> >> [   16.312845] mmc0: sdhci: 0x81c:     0x00000008
> >> [   16.312851] mmc0: sdhci: 0x820:     0x00000502
> >> [   16.312858] mmc0: sdhci: 0x824:     0x00000811
> >> [   16.312864] mmc0: sdhci: 0x828:     0x1c2a2927
> >> [   16.312870] mmc0: sdhci: 0x82c:     0x000d162f
> >> [   16.312876] mmc0: sdhci: 0x830:     0x00000a0a
> >> [   16.312882] mmc0: sdhci: 0x834:     0x0001003b
> >> [   16.312889] mmc0: sdhci: 0x838:     0x00800001
> >> [   16.312895] mmc0: sdhci: 0x83c:     0x00000000
> >> [   16.312901] mmc0: sdhci: 0x840:     0x00000000
> >> [   16.312904] mmc0: sdhci: ============================================
> > 
> > 
> > Is this of any help to understand what's wrong ?
> 
> Sorry, I will look at this soon.
> 

Thanks.


Anisse



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