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  1. 26 Sep, 2013 2 commits
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  13. 20 Feb, 2012 2 commits
    • Chris Ball's avatar
      Rename extcsd read/write to writeprotect get/set · b9c7a17f
      Chris Ball authored 
      

This leaves "extcsd read" pointing to Giuseppe's code.  Also, abstract
out the writeprotect code so that there's only one shared implementation
in print_writeprotect_status(), used by both "extcsd read" and
"writeprotect get".
Signed-off-by: default avatarChris Ball <cjb@laptop.org>
      b9c7a17f
    • Giuseppe CAVALLARO's avatar
      improve the parsing of the EXT_CSD registers · a5bf4a20
      Giuseppe CAVALLARO authored 
      

This patch enhances the debug information reported
for the mmc card by parsing the extended CSD registers
obviously according to all the current specifications.

I have no HW to test eMMC 4.5 at this moment. In any case,
the patch supports JEDEC Standard No. 84-B45.
No issues on JESD84-A441 and older specs raised on my side.

This patch indeed want to start providing a full parsing
of the all EXT_CSD registers in the following layout:

Name [FIELD: <value>]

Voluntarily, I added the FIELD because it can actually help on
searching though the SPEC in case of doubts.
In fact, in this stage, not all the register bits are yet parsed.
Currently this has been done for a small subset of registers
(e.g. 173, 160 ...) where IMO it's quite useful for an end-user
to get some details. I do hope this will be improved in the near
feature (also for write operations).

P.S. The original patch posted time ago for the Kernel has been
reviewed-by Sebastian Rasmussen, acked-by: Linus Walleij and reported
by Youssef Tiki.
Signed-off-by: default avatarGiuseppe Cavallaro <peppe.cavallaro@st.com>
Signed-off-by: default avatarChris Ball <cjb@laptop.org>
      a5bf4a20
  15. 16 Feb, 2012 1 commit
  17. 12 Feb, 2012 1 commit