On 2015-06-08 10:19, Eric Nelson wrote:
Hi Andreas,
On 06/08/2015 05:48 AM, Andreas Müller wrote:
On Variscite Varsom we have three devices connected to MMC
* MMC1: eMMC
* MMC2: SDCard
* MMC3: Wifi
Without this patch only the first device was detected properly.
I found two workarounds which can be removed by this patch:
1. Variscite: booting from SDCard made possible by renumbering MMC devices [1].
2. BoundaryDevices: Add workqueues for each mmc_host [2]. This had been tested
here too but causes crashing sdcard for huge storage traffic.
Can you (Andreas) elaborate on this? Is there a procedure to show this failure?
I'd like to test it on my board(s) that have multiple [active] MMC devices.
[1]
https://github.com/varigit/linux-2.6-imx/blob/imx_3.10.53_1.1.0_ga_var01/arch/arm/boot/dts/imx6qdl.dtsi
/ Line 879
[2]
https://github.com/boundarydevices/linux-imx6/commit/1d40159a995a298f16901bfb14ae3e0294c65691
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Gary Thomas | Consulting for the
MLB Associates | Embedded world
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