title: SDHI; implement support for HW busy timeout
team: IO
key: e2c455e0-1210-11ea-8389-b359bc6084c5
status: New

upstream:

comments:
  - "currently we use a tasklet to detect busy timeouts"
  - "MMC maintainer says this is OKish, but HW timeout would be much better"
  - "this is all for supporting MMC_CAP_ERASE properly"