| From | Greg Kroah-Hartman <> | Subject | [PATCH 4.19 123/190] dt-bindings: mmc: Add disable-cqe-dcmd property. | Date | Fri, 13 Sep 2019 14:06:18 +0100 |
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[ 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> --- Documentation/devicetree/bindings/mmc/mmc.txt | 2 ++ 1 file changed, 2 insertions(+)
diff --git a/Documentation/devicetree/bindings/mmc/mmc.txt b/Documentation/devicetree/bindings/mmc/mmc.txt index cdbcfd3a4ff21..c269dbe384fea 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" -- 2.20.1
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