diff options
| author | Christoph Muellner <christoph.muellner@theobroma-systems.com> | 2019-03-22 12:38:04 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-09-16 08:22:12 +0200 |
| commit | e4ba157877db4a441dc50cce8028ad25c78bdecd (patch) | |
| tree | 3f1b30e4a1fedac6bb9f204c337468d5ceaa061e /Documentation | |
| parent | eb83f9fa10f72d5e749aec38b2f2667a94db816e (diff) | |
| download | linux-stable-e4ba157877db4a441dc50cce8028ad25c78bdecd.tar.gz linux-stable-e4ba157877db4a441dc50cce8028ad25c78bdecd.tar.bz2 linux-stable-e4ba157877db4a441dc50cce8028ad25c78bdecd.zip | |
dt-bindings: mmc: Add disable-cqe-dcmd property.
[ Upstream commit 28f22fb755ecf9f933f045bc0afdb8140641b01c ]
Add disable-cqe-dcmd as optional property for MMC hosts.
This property allows to disable or not enable the direct command
features of the command queue engine.
Signed-off-by: Christoph Muellner <christoph.muellner@theobroma-systems.com>
Signed-off-by: Philipp Tomsich <philipp.tomsich@theobroma-systems.com>
Fixes: 84362d79f436 ("mmc: sdhci-of-arasan: Add CQHCI support for arasan,sdhci-5.1")
Cc: stable@vger.kernel.org
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/devicetree/bindings/mmc/mmc.txt | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/mmc/mmc.txt b/Documentation/devicetree/bindings/mmc/mmc.txt index cdbcfd3a4ff2..c269dbe384fe 100644 --- a/Documentation/devicetree/bindings/mmc/mmc.txt +++ b/Documentation/devicetree/bindings/mmc/mmc.txt @@ -64,6 +64,8 @@ Optional properties: whether pwrseq-simple is used. Default to 10ms if no available. - supports-cqe : The presence of this property indicates that the corresponding MMC host controller supports HW command queue feature. +- disable-cqe-dcmd: This property indicates that the MMC controller's command + queue engine (CQE) does not support direct commands (DCMDs). *NOTE* on CD and WP polarity. To use common for all SD/MMC host controllers line polarity properties, we have to fix the meaning of the "normal" and "inverted" |