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Subjectn950: mmc fails to work, omap_hsmmc 480b4000.mmc: RX DMA channel request failed ? was Re: 4.13 (and probably all recent) kernels refuse to boot on one Nokia N950, work or another
Hi!

I was able to setup nfsroot, and boot postmarketos (with root
read/only, but that's good enough for debugging).

Then I was (finally!) able to run dmesg, and that tells me:

[ 0.816040] mousedev: PS/2 mouse device common for all mice
[ 0.817657] input: TWL4030 Keypad as
/devices/platform/68000000.ocp/48070000.i2c/i2c-0/0-0048/48070000.i2c:twl@48:keypad/input/input0
[ 0.820800] i2c /dev entries driver
[ 0.830261] omap_wdt: OMAP Watchdog Timer Rev 0x31: initial timeout
60 sec
[ 0.836212] omap_hsmmc 480b4000.mmc: RX DMA channel request failed
[ 0.840026] ledtrig-cpu: registered to indicate activity on CPUs
[ 0.840789] omap-aes 480c5000.aes: OMAP AES hw accel rev: 2.6
[ 0.840942] omap-aes 480c5000.aes: Unable to request in DMA channel
[ 0.841644] omap-aes 480c5000.aes: will run requests pump with
realtime priority

Kernel 4.13-rc2.

I'm now trying:

+++ b/.config
-CONFIG_MMC_OMAP_HS=y
+# CONFIG_MMC_OMAP_HS is not set

With that, error is gone, but so is MMC driver, so... not good.

Any ideas?

Best regards,
Pavel
--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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