diff options
| author | Dong Aisheng <aisheng.dong@nxp.com> | 2016-02-26 18:02:22 +0800 |
|---|---|---|
| committer | Dong Aisheng <aisheng.dong@nxp.com> | 2016-03-01 19:02:54 +0800 |
| commit | 3a4a074d2ead8044afe42cd0d060fe25564b274c (patch) | |
| tree | d3f8d2dd5616a4268d3ec6f5b761c28aecd66240 /Documentation | |
| parent | cd2d38c8051ad67ef95eac0fe72656be7a04c944 (diff) | |
MLK-12462-1 mmc: core: add MMC_PM_IGNORE_PM_NOTIFY feature
With igore pm notify feature, MMC core will not re-detect card
after system suspend/resume. This is needed for some special cards
like Broadcom WiFi which can't work propertly on card re-detect
after system resume.
Signed-off-by: Dong Aisheng <aisheng.dong@nxp.com>
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/devicetree/bindings/mmc/mmc.txt | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/Documentation/devicetree/bindings/mmc/mmc.txt b/Documentation/devicetree/bindings/mmc/mmc.txt index b7d0cd3fa60b..b05d517be2e9 100644 --- a/Documentation/devicetree/bindings/mmc/mmc.txt +++ b/Documentation/devicetree/bindings/mmc/mmc.txt @@ -70,7 +70,8 @@ polarity is in effect. Optional SDIO properties: - keep-power-in-suspend: Preserves card power during a suspend/resume cycle - enable-sdio-wakeup: Enables wake up of host system on SDIO IRQ assertion - +- pm-ignore-notify: Ignore mmc PM notify. This will prevent MMC core automatically + to re-detect cards after sysem resume back. MMC power sequences: -------------------- |