6.5-stable review patch. If anyone has any objections, please let me know.
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From: Vignesh Viswanathan quic_viswanat@quicinc.com
commit 5fe8508e2bc8eb4208b0434b6c1ca306c1519ade upstream.
SMEM uses lock index 3 of the TCSR Mutex hwlock for allocations in SMEM region shared by the Host and FW.
Fix the SMEM hwlock index to 3 for IPQ9574.
Cc: stable@vger.kernel.org Fixes: 46384ac7a618 ("arm64: dts: qcom: ipq9574: Add SMEM support") Signed-off-by: Vignesh Viswanathan quic_viswanat@quicinc.com Acked-by: Konrad Dybcio konrad.dybcio@linaro.org Link: https://lore.kernel.org/r/20230904172516.479866-5-quic_viswanat@quicinc.com Signed-off-by: Bjorn Andersson andersson@kernel.org Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- arch/arm64/boot/dts/qcom/ipq9574.dtsi | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
--- a/arch/arm64/boot/dts/qcom/ipq9574.dtsi +++ b/arch/arm64/boot/dts/qcom/ipq9574.dtsi @@ -174,7 +174,7 @@ smem@4aa00000 { compatible = "qcom,smem"; reg = <0x0 0x4aa00000 0x0 0x100000>; - hwlocks = <&tcsr_mutex 0>; + hwlocks = <&tcsr_mutex 3>; no-map; }; };