From mboxrd@z Thu Jan 1 00:00:00 1970 From: Sasha Levin Subject: [PATCH AUTOSEL 4.19 102/167] dt-bindings: mmc: Add disable-cqe-dcmd property. Date: Tue, 3 Sep 2019 12:24:14 -0400 Message-ID: <20190903162519.7136-102-sashal@kernel.org> References: <20190903162519.7136-1-sashal@kernel.org> Mime-Version: 1.0 Content-Transfer-Encoding: 8bit Return-path: In-Reply-To: <20190903162519.7136-1-sashal@kernel.org> Sender: linux-kernel-owner@vger.kernel.org To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Christoph Muellner , Philipp Tomsich , Ulf Hansson , Sasha Levin , linux-mmc@vger.kernel.org, devicetree@vger.kernel.org List-Id: devicetree@vger.kernel.org From: Christoph Muellner [ 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 Signed-off-by: Philipp Tomsich Fixes: 84362d79f436 ("mmc: sdhci-of-arasan: Add CQHCI support for arasan,sdhci-5.1") Cc: stable@vger.kernel.org Signed-off-by: Ulf Hansson Signed-off-by: Sasha Levin --- 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