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| author | Dong Aisheng <aisheng.dong@nxp.com> | 2016-02-26 18:02:22 +0800 |
|---|---|---|
| committer | Dong Aisheng <aisheng.dong@nxp.com> | 2016-03-01 19:07:00 +0800 |
| commit | e42f70d76ec2335ec9bba96f66b125b07a584192 (patch) | |
| tree | 8c3296f291c570415d8208d0e60b1368687e99e8 /Documentation | |
| parent | cc78790048a81de6c218c09766277ef3be34ffd0 (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>
(cherry picked from commit 3a4a074d2ead8044afe42cd0d060fe25564b274c)
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: -------------------- |