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Layerscape dwc3 need set software managed property snps,gsbuscfg0-reqinfo as 0x2222 when dma-coherence set. Signed-off-by: Frank Li --- drivers/usb/dwc3/dwc3-generic-plat.c | 30 +++++++++++++++++++++++++++++- 1 file changed, 29 insertions(+), 1 deletion(-) diff --git a/drivers/usb/dwc3/dwc3-generic-plat.c b/drivers/usb/dwc3/dwc3-g= eneric-plat.c index d96b20570002dc619ea813f4d6a8013636a0f346..d886b6e557b12edda71203e4f64= 0a9a0a53b4f35 100644 --- a/drivers/usb/dwc3/dwc3-generic-plat.c +++ b/drivers/usb/dwc3/dwc3-generic-plat.c @@ -8,10 +8,15 @@ */ =20 #include +#include #include #include #include "glue.h" =20 +struct dwc3_generic_drvdata { + u32 gsbuscfg0; +}; + struct dwc3_generic { struct device *dev; struct dwc3 dwc; @@ -29,6 +34,7 @@ static void dwc3_generic_reset_control_assert(void *data) =20 static int dwc3_generic_probe(struct platform_device *pdev) { + const struct dwc3_generic_drvdata *drvdata; struct dwc3_probe_data probe_data =3D {}; struct device *dev =3D &pdev->dev; struct dwc3_generic *dwc3g; @@ -41,6 +47,8 @@ static int dwc3_generic_probe(struct platform_device *pde= v) =20 dwc3g->dev =3D dev; =20 + drvdata =3D of_device_get_match_data(dev); + res =3D platform_get_resource(pdev, IORESOURCE_MEM, 0); if (!res) { dev_err(&pdev->dev, "missing memory resource\n"); @@ -70,6 +78,17 @@ static int dwc3_generic_probe(struct platform_device *pd= ev) if (ret < 0) return dev_err_probe(dev, ret, "failed to get clocks\n"); =20 + if (of_dma_is_coherent(pdev->dev.of_node)) { + struct property_entry props[2] =3D {}; + + props[0] =3D PROPERTY_ENTRY_U16("snps,gsbuscfg0-reqinfo", drvdata->gsbus= cfg0); + + ret =3D device_create_managed_software_node(dev, props, NULL); + if (ret) + return dev_err_probe(dev, ret, + "fail create software managed property node\n"); + } + dwc3g->num_clocks =3D ret; dwc3g->dwc.dev =3D dev; probe_data.dwc =3D &dwc3g->dwc; @@ -145,8 +164,17 @@ static const struct dev_pm_ops dwc3_generic_dev_pm_ops= =3D { dwc3_generic_runtime_idle) }; =20 +static const struct dwc3_generic_drvdata spacemit_k1_dwc3 =3D { + .gsbuscfg0 =3D DWC3_GSBUSCFG0_REQINFO_UNSPECIFIED, +}; + +static const struct dwc3_generic_drvdata fsl_ls1028_dwc3 =3D { + .gsbuscfg0 =3D 0x2222, +}; + static const struct of_device_id dwc3_generic_of_match[] =3D { - { .compatible =3D "spacemit,k1-dwc3", }, + { .compatible =3D "spacemit,k1-dwc3", &spacemit_k1_dwc3}, + { .compatible =3D "fsl,ls1028a-dwc3", &fsl_ls1028_dwc3}, { /* sentinel */ } }; MODULE_DEVICE_TABLE(of, dwc3_generic_of_match); --=20 2.34.1