From: Shawn Guo <shawn.guo@xxxxxxxxxx> [ Upstream commit 13404ac8882f5225af07545215f4975a564c3740 ] It adds the missing a2noc clocks required for QoS registers programming per downstream kernel[1]. Otherwise, qcom_icc_noc_set_qos_priority() call on mas_ufs or mas_usb_hs node will simply result in a hardware hang on SDM660 SoC. [1] https://source.codeaurora.org/quic/la/kernel/msm-4.4/tree/arch/arm/boot/dts/qcom/sdm660-bus.dtsi?h=LA.UM.8.2.r1-04800-sdm660.0#n43 Signed-off-by: Shawn Guo <shawn.guo@xxxxxxxxxx> Tested-by: Bjorn Andersson <bjorn.andersson@xxxxxxxxxx> Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@xxxxxxxxxxxxxx> Link: https://lore.kernel.org/r/20210824043435.23190-3-shawn.guo@xxxxxxxxxx Signed-off-by: Georgi Djakov <djakov@xxxxxxxxxx> Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> --- drivers/interconnect/qcom/sdm660.c | 14 ++++++++++++++ 1 file changed, 14 insertions(+) diff --git a/drivers/interconnect/qcom/sdm660.c b/drivers/interconnect/qcom/sdm660.c index 99eef7e2d326..fb23a5b780a4 100644 --- a/drivers/interconnect/qcom/sdm660.c +++ b/drivers/interconnect/qcom/sdm660.c @@ -173,6 +173,16 @@ static const struct clk_bulk_data bus_mm_clocks[] = { { .id = "iface" }, }; +static const struct clk_bulk_data bus_a2noc_clocks[] = { + { .id = "bus" }, + { .id = "bus_a" }, + { .id = "ipa" }, + { .id = "ufs_axi" }, + { .id = "aggre2_ufs_axi" }, + { .id = "aggre2_usb3_axi" }, + { .id = "cfg_noc_usb2_axi" }, +}; + /** * struct qcom_icc_provider - Qualcomm specific interconnect provider * @provider: generic interconnect provider @@ -809,6 +819,10 @@ static int qnoc_probe(struct platform_device *pdev) qp->bus_clks = devm_kmemdup(dev, bus_mm_clocks, sizeof(bus_mm_clocks), GFP_KERNEL); qp->num_clks = ARRAY_SIZE(bus_mm_clocks); + } else if (of_device_is_compatible(dev->of_node, "qcom,sdm660-a2noc")) { + qp->bus_clks = devm_kmemdup(dev, bus_a2noc_clocks, + sizeof(bus_a2noc_clocks), GFP_KERNEL); + qp->num_clks = ARRAY_SIZE(bus_a2noc_clocks); } else { if (of_device_is_compatible(dev->of_node, "qcom,sdm660-bimc")) qp->is_bimc_node = true; -- 2.33.0
