On Tue 04 Jun 03:44 PDT 2019, Lee Jones wrote: > diff --git a/drivers/usb/dwc3/dwc3-qcom.c b/drivers/usb/dwc3/dwc3-qcom.c [..] > @@ -373,7 +416,7 @@ static int dwc3_qcom_clk_init(struct dwc3_qcom *qcom, int count) > > qcom->num_clocks = count; > > - if (!count) > + if (!count || ACPI_HANDLE(dev)) > return 0; Afaict you call this with count = of_count_phandle_with_args(), which should be 0. But why not skip calling this at all? > > qcom->clks = devm_kcalloc(dev, qcom->num_clocks, > @@ -409,12 +452,28 @@ static int dwc3_qcom_clk_init(struct dwc3_qcom *qcom, int count) > return 0; > } > > +static const struct dwc3_acpi_pdata sdm845_acpi_pdata = { > + .qscratch_base_offset = SDM845_QSCRATCH_BASE_OFFSET, > + .qscratch_base_size = SDM845_QSCRATCH_SIZE, > + .dwc3_core_base_size = SDM845_DWC3_CORE_SIZE, > + .hs_phy_irq_index = 1, > + .dp_hs_phy_irq_index = 4, > + .dm_hs_phy_irq_index = 3, > + .ss_phy_irq_index = 2 > +}; > + > +static const struct acpi_device_id dwc3_qcom_acpi_match[] = { > + { "QCOM2430", (unsigned long)&sdm845_acpi_pdata }, > + { }, > +}; > +MODULE_DEVICE_TABLE(acpi, dwc3_qcom_acpi_match); Analog to of_device_get_match_data() there seems to be a acpi_device_get_match_data(), if you use this you should be able to have you acpi_device_id array next to the of_device_id. > + > static int dwc3_qcom_probe(struct platform_device *pdev) It seems that all that's left unconditional on ACPI_HANDLE() in this function are the optional pieces and the tail. Wouldn't it be cleaner to split it out in different functions? Regards, Bjorn