Upgraded to Ubuntu 11.10 on Dell Vostro 1510 and O2 Micro Card Reader no longer 
reads SD/MMC cards 
SD/MMC reader confirmed working using 2.6.38 vanilla ppa/kernel under 11.04

Broken by:

commit 49c468fcf878d2c86e31920cf54aa90c88418a66
Author: Arindam Nath <arindam.n...@amd.com>
Date:   Thu May 5 12:19:01 2011 +0530

    mmc: sd: add support for uhs bus speed mode selection

fixed by 1 line commit in:

commit dd8df17fe83483d7ea06ff229895e35a42071599
Author: Alexander Elbs <a...@segv.de>
Date:   Tue Jan 3 23:26:53 2012 -0500

    mmc: sd: Fix SDR12 timing regression

Can this fix be backported to 11.04, 11.10 and 12.04 from the 3.3
kernel?

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https://bugs.launchpad.net/bugs/802084

Title:
  O2 Micro, Inc. Integrated MS/xD Controller (rev 01) Media Slot does
  not read cards

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