On Mon, Jan 07, 2013 at 01:30:54PM +0100, Dr. Rainer Kaluscha wrote: > The problem is that *only* a dummy regulator is available which > refuses to do any regulation at all. > So sdhci/mmc should better behave as no regulator was available at all. > This may happen if e.g. in a precompiled kernel of some linux distro > regulator support (including dummy) is enabled but the machine > running that kernel doesn't have a known hardware regulator. This > results in sdhci/mmc failing to enable the SD card reader though it > would work well without regulator support in the kernel. Production systems should not enable the dummy regulators, it's that simple. They're a crutch to get things booting but they're going to cause problems in production.
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