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authorAnton Vorontsov <avorontsov@ru.mvista.com>2009-06-18 00:14:08 +0400
committerPierre Ossman <pierre@ossman.eu>2009-06-21 21:00:59 +0200
commit5fe23c7f51def59f66bc6aeee988ef1a467a2c8c (patch)
tree6d10aa3966cf105a8c6d6b758660fa6f00a49896 /MAINTAINERS
parent04ac2f46d6ecb995f78c9ae4e2e4707d00b5339f (diff)
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sdhci: Add support for hosts that are only capable of 1-bit transfers
Some hosts (hardware configurations, or particular SD/MMC slots) may not support 4-bit bus. For example, on MPC8569E-MDS boards we can switch between serial (1-bit only) and nibble (4-bit) modes, thought we have to disable more peripherals to work in 4-bit mode. Along with some small core changes, this patch modifies sdhci-of driver, so that now it looks for "sdhci,1-bit-only" property in the device-tree, and if specified we enable a proper quirk. Signed-off-by: Anton Vorontsov <avorontsov@ru.mvista.com> Acked-by: Grant Likely <grant.likely@secretlab.ca> Signed-off-by: Pierre Ossman <pierre@ossman.eu>
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