[Bug 202490] Re: [Feature Request] Provide a driver for Ricoh R5C822 xD card reader

[Maxim Levitsky]

** Description changed:

  *** NOTE: this is a *wishlist* item - a request for new functionality.
  At present, and perhaps forever, xD support on linux is extremely
  limited.  This issue is a request to have xD support added for a
  specific, and somewhat popular, chipset.  Please do not add "me, too"
  items.  We know that it doesn't work.  If you want, please add yourself
  as a subscriber, and click on link to indicate that "This bug effects
  me, too"  In the meantime, there are two xD readers known to work with
  linux, so if you simply must have xD support, those would be your
  options.
+ 
+ Now there is an xD driver for this chip.
+ Supports kernel from 3.6.32.
+ (http://launchpadlibrarian.net/42999924/ricoh_xd-2.tar.bz2)
+ 
+ To install please do ./make && sudo make install && sudo make load
+ 
+ Note that this package installs several kernel modules, similar to compat-wireless
+ So, make sure that there is no conflict between existing mtd modules and these.
+ 
+ *NOTE* If you use kernel lower that 2.6.34, please be sure to unload the ricoh-mmc driver.
+ It conflicts with this driver.
+ This does meant that on this kernel you *can't* use both xD and MMC cards
+ To be sure that ricoh-mmc is not loaded, you should see the following output:
+ 
+ 03:01.4 System peripheral: Ricoh Co Ltd xD-Picture Card Controller (rev
+ 12)
+ 
+ and NOT:
+ 
+ 03:01.4 System peripheral: Ricoh Co Ltd xD-Picture Card Controller (rev
+ FF)
+ 
  
  ------------------------------------------------
  
  On multi-format card readers such as:
  
  > lspci | grep Ricoh
  03:01.0 FireWire (IEEE 1394): Ricoh Co Ltd R5C832 IEEE 1394 Controller (rev 05)
  03:01.1 Generic system peripheral [0805]: Ricoh Co Ltd R5C822 SD/SDIO/MMC/MS/MSPro Host Adapter (rev 22)
  03:01.2 System peripheral: Ricoh Co Ltd R5C843 MMC Host Controller (rev 12)
  03:01.3 System peripheral: Ricoh Co Ltd R5C592 Memory Stick Bus Host Adapter (rev 12)
  03:01.4 System peripheral: Ricoh Co Ltd xD-Picture Card Controller (rev 12)
  
  SD and MMC cards work, but Xd cards do not.  This appears to be due to a
  lack of driver support for the Xd reader.
  
  There is no need to comment confirming this issue on more laptops.
  Every laptop with a similar type of reader will be affected.

-- 
[Feature Request] Provide a driver for Ricoh R5C822 xD card reader
https://bugs.launchpad.net/bugs/202490
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