linux-kernel - [PATCH AUTOSEL 4.4 06/65] ARM: dts: apq8064: add ahci ports-implemented mask

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Message-Id: <20181025141705.213937-6-sashal@kernel.org>
Date:   Thu, 25 Oct 2018 10:16:06 -0400
From:   Sasha Levin <sashal@...nel.org>
To:     stable@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:     Srinivas Kandagatla <srinivas.kandagatla@...aro.org>,
        Tejun Heo <tj@...nel.org>, Sasha Levin <sashal@...nel.org>
Subject: [PATCH AUTOSEL 4.4 06/65] ARM: dts: apq8064: add ahci ports-implemented mask

From: Srinivas Kandagatla <srinivas.kandagatla@...aro.org>

[ Upstream commit bb4add2ce991e4ec891b5a0287fd1ab77b631979 ]

This patch adds new ports-implemented mask, which is required to get
achi working on the mainline. Without this patch value read from
PORTS_IMPL register which is zero would not enable any ports for
software to use.

Fixes: 566d1827df2e ("libata: disable forced PORTS_IMPL for >= AHCI 1.3")
Cc: stable@...r.kernel.org # v4.5+
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@...aro.org>
Reviewed-by: Andy Gross <andy.gross@...aro.org>
Signed-off-by: Tejun Heo <tj@...nel.org>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 arch/arm/boot/dts/qcom-apq8064.dtsi | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/arch/arm/boot/dts/qcom-apq8064.dtsi b/arch/arm/boot/dts/qcom-apq8064.dtsi
index e00d50ef678f..3ff5ea16ebb3 100644
--- a/arch/arm/boot/dts/qcom-apq8064.dtsi
+++ b/arch/arm/boot/dts/qcom-apq8064.dtsi
@@ -577,7 +577,7 @@
 		};
 
 		sata0: sata@...00000 {
-			compatible		= "generic-ahci";
+			compatible		= "qcom,apq8064-ahci", "generic-ahci";
 			status			= "disabled";
 			reg			= <0x29000000 0x180>;
 			interrupts		= <GIC_SPI 209 IRQ_TYPE_NONE>;
@@ -599,6 +599,7 @@
 
 			phys			= <&sata_phy0>;
 			phy-names		= "sata-phy";
+			ports-implemented	= <0x1>;
 		};
 
 		/* Temporary fixed regulator */
-- 
2.17.1