4.4-stable review patch.  If anyone has any objections, please let me know.

------------------

[ 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: sta...@vger.kernel.org # v4.5+
Signed-off-by: Srinivas Kandagatla <srinivas.kandaga...@linaro.org>
Reviewed-by: Andy Gross <andy.gr...@linaro.org>
Signed-off-by: Tejun Heo <t...@kernel.org>
Signed-off-by: Sasha Levin <sas...@kernel.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@29000000 {
-                       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



Reply via email to