title: "SDHI; SCC may stall if SDnH is not provided"
team: IO
key: d593a7de-95e8-11ea-8695-9f6a675410b7
status: Active
assignee: Wolfram

relationships:

bsp-commits:
 - addfe9203290e3c274bca15e64e3f11638649e66 # mmc: renesas_sdhi: Fix hang up in HS400 timing mode selection

upstream:

comments:
 - "hang up is surprisingly hard to reproduce but we keep trying"
 - "updated manual calibration patchset makes the issue appear again"
 - "v1: https://patchwork.kernel.org/project/linux-renesas-soc/list/?series=298209&state=*"
 - "not all error paths covered; we need a new flag in the MMC core. Wolfram will work on it"
 - "delayed because of generic Gen3 board boot problems"