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From:   Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To:     linux-kernel@vger.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        stable@vger.kernel.org, Vinod Koul <vkoul@kernel.org>,
        Shawn Guo <shawn.guo@linaro.org>,
        Bjorn Andersson <bjorn.andersson@linaro.org>,
        Sasha Levin <sashal@kernel.org>
Subject: [PATCH 5.11 180/601] arm64: dts: qcom: sm8150: fix number of pins in gpio-ranges
Date:   Wed, 12 May 2021 16:44:17 +0200
Message-Id: <20210512144833.765383413@linuxfoundation.org>
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From: Shawn Guo <shawn.guo@linaro.org>

[ Upstream commit de3abdf3d15c6e7f456e2de3f9da78f3a31414cc ]

The last cell of 'gpio-ranges' should be number of GPIO pins, and in
case of qcom platform it should match msm_pinctrl_soc_data.ngpio rather
than msm_pinctrl_soc_data.ngpio - 1.

This fixes the problem that when the last GPIO pin in the range is
configured with the following call sequence, it always fails with
-EPROBE_DEFER.

    pinctrl_gpio_set_config()
        pinctrl_get_device_gpio_range()
            pinctrl_match_gpio_range()

Fixes: e13c6d144fa0 ("arm64: dts: qcom: sm8150: Add base dts file")
Cc: Vinod Koul <vkoul@kernel.org>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Link: https://lore.kernel.org/r/20210303033106.549-3-shawn.guo@linaro.org
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 arch/arm64/boot/dts/qcom/sm8150.dtsi | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/arm64/boot/dts/qcom/sm8150.dtsi b/arch/arm64/boot/dts/qcom/sm8150.dtsi
index 5270bda7418f..ad1931a07981 100644
--- a/arch/arm64/boot/dts/qcom/sm8150.dtsi
+++ b/arch/arm64/boot/dts/qcom/sm8150.dtsi
@@ -757,7 +757,7 @@
 			      <0x0 0x03D00000 0x0 0x300000>;
 			reg-names = "west", "east", "north", "south";
 			interrupts = <GIC_SPI 208 IRQ_TYPE_LEVEL_HIGH>;
-			gpio-ranges = <&tlmm 0 0 175>;
+			gpio-ranges = <&tlmm 0 0 176>;
 			gpio-controller;
 			#gpio-cells = <2>;
 			interrupt-controller;
-- 
2.30.2