diff options
| author | Wolfram Sang <wsa+renesas@sang-engineering.com> | 2019-11-21 12:17:33 +0100 |
|---|---|---|
| committer | Ulf Hansson <ulf.hansson@linaro.org> | 2019-11-21 12:27:24 +0100 |
| commit | 478c60cea1c1e57f91d8c3f6dfe3d35784ea7eea (patch) | |
| tree | a4092db5d6e534489412fdfaf8619f9b7d4d2111 /drivers/mmc | |
| parent | 1696d96890fcc567264fd7f66216e0087818bb70 (diff) | |
| download | linux-478c60cea1c1e57f91d8c3f6dfe3d35784ea7eea.tar.bz2 | |
Revert "mmc: tmio: remove workaround for NON_REMOVABLE"
This reverts commit 7a7dab237027939cb95dc07c4647b80bad5fbbde. We found
out that there is still a race with RuntimePM. This can lead to a hang
when accessing the eMMC in some situations. Revert this change until the
RPM issue is fixed.
Reported-by: Geert Uytterhoeven <geert@linux-m68k.org>
Tested-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Diffstat (limited to 'drivers/mmc')
| -rw-r--r-- | drivers/mmc/host/tmio_mmc_core.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/mmc/host/tmio_mmc_core.c b/drivers/mmc/host/tmio_mmc_core.c index 6936b04940a3..dec5a99f52cf 100644 --- a/drivers/mmc/host/tmio_mmc_core.c +++ b/drivers/mmc/host/tmio_mmc_core.c @@ -1209,6 +1209,15 @@ int tmio_mmc_host_probe(struct tmio_mmc_host *_host) _host->reset = tmio_mmc_reset; /* + * On Gen2+, eMMC with NONREMOVABLE currently fails because native + * hotplug gets disabled. It seems RuntimePM related yet we need further + * research. Since we are planning a PM overhaul anyway, let's enforce + * for now the device being active by enabling native hotplug always. + */ + if (pdata->flags & TMIO_MMC_MIN_RCAR2) + _host->native_hotplug = true; + + /* * While using internal tmio hardware logic for card detection, we need * to ensure it stays powered for it to work. */ |