Enable native sector of eMMC

Registered by Saugata Das

Disable emulation to support 4KB native sector for eMMC

Blueprint information

Status:
Complete
Approver:
Venkatraman S
Priority:
Undefined
Drafter:
Saugata Das
Direction:
Needs approval
Assignee:
Saugata Das
Definition:
New
Series goal:
None
Implementation:
Implemented
Milestone target:
None
Started by
Saugata Das
Completed by
Saugata Das

Related branches

Sprints

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Meta:
Headline : Implement 4KB sector in Linux MMC driver

Acceptance:

Work items for 2012:02
[saugata.das] Study native sector feature of MMC-4.5 : DONE
[saugata.das] Prepare patch for MMC UTIL : DONE
[saugata.das] Prepare patch for internal review : DONE
[saugata.das] Test specific case of smaller block size in file system : DONE
[saugata.das] Test large sector support in EFI : DONE

Work items for 2012.05
[saugata.das] Submit to community : DONE

Note:
If the block size is smaller than the native sector size (4KB) then ext4 throws an error on block size and does not mount the device. The error is returned from sb_set_blocksize in ext4_fill_super

(?)

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* Blueprints in grey have been implemented.

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