From mboxrd@z Thu Jan 1 00:00:00 1970 From: Sasha Levin Subject: [PATCH AUTOSEL 4.19 015/123] arm64: dts: sdm845-mtp: Reserve reserved gpios Date: Wed, 5 Dec 2018 04:34:07 -0500 Message-ID: <20181205093555.5386-15-sashal@kernel.org> References: <20181205093555.5386-1-sashal@kernel.org> Return-path: In-Reply-To: <20181205093555.5386-1-sashal@kernel.org> Sender: linux-kernel-owner@vger.kernel.org To: stable@vger.kernel.org, linux-kernel@vger.kernel.org Cc: Bjorn Andersson , Andy Gross , Sasha Levin , linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org List-Id: devicetree@vger.kernel.org From: Bjorn Andersson [ Upstream commit 5f8d3ab136d0ccb59c4d628d8f85e0d8f2761d07 ] With the introduction of commit 3edfb7bd76bd ("gpiolib: Show correct direction from the beginning") the gpiolib will attempt to read the direction of all pins, which triggers a read from protected register regions. The pins 0 through 3 and 81 through 84 are protected, so mark these as reserved. Signed-off-by: Bjorn Andersson Reviewed-by: Stephen Boyd Reviewed-by: Linus Walleij Signed-off-by: Andy Gross Signed-off-by: Sasha Levin --- arch/arm64/boot/dts/qcom/sdm845-mtp.dts | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/arch/arm64/boot/dts/qcom/sdm845-mtp.dts b/arch/arm64/boot/dts/qcom/sdm845-mtp.dts index 6d651f314193..6921f8dc5ebb 100644 --- a/arch/arm64/boot/dts/qcom/sdm845-mtp.dts +++ b/arch/arm64/boot/dts/qcom/sdm845-mtp.dts @@ -31,6 +31,10 @@ status = "okay"; }; +&tlmm { + gpio-reserved-ranges = <0 4>, <81 4>; +}; + &uart9 { status = "okay"; }; -- 2.17.1