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| author | Shawn Guo <shawn.guo@linaro.org> | 2021-09-13 14:49:55 +0200 |
|---|---|---|
| committer | Georgi Djakov <djakov@kernel.org> | 2021-09-13 14:49:55 +0200 |
| commit | 13404ac8882f5225af07545215f4975a564c3740 (patch) | |
| tree | 6d9a6475e3a8be00912ba77df8bc05edfe5a28af | |
| parent | dt-bindings: interconnect: sdm660: Add missing a2noc qos clocks (diff) | |
| download | linux-13404ac8882f5225af07545215f4975a564c3740.tar.xz linux-13404ac8882f5225af07545215f4975a564c3740.zip | |
interconnect: qcom: sdm660: Add missing a2noc qos clocks
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@linaro.org>
Tested-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@somainline.org>
Link: https://lore.kernel.org/r/20210824043435.23190-3-shawn.guo@linaro.org
Signed-off-by: Georgi Djakov <djakov@kernel.org>
| -rw-r--r-- | drivers/interconnect/qcom/sdm660.c | 14 |
1 files changed, 14 insertions, 0 deletions
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; |