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Tomeu Vizoso authored
devm_regulator_get_optional returns -ENODEV if the regulator isn't there, so if that's the case we have to make sure not to leave -ENODEV in the regulator pointer. Also, make sure we return 0 in that case, but correctly propagate any other errors. Also propagate the error from _dwc2_hcd_start. Fixes: 531ef5eb ("usb: dwc2: add support for host mode external vbus supply") Cc: Amelie Delaunay <amelie.delaunay@st.com> Reviewed-by: Amelie Delaunay <amelie.delaunay@st.com> Reviewed-by: Heiko Stuebner <heiko@sntech.de> Reviewed-by: Grigor Tovmasyan <tovmasya@synopsys.com> Tested-by: Heiko Stuebner <heiko@sntech.de> Acked-by: Minas Harutyunyan <hminas@synopsys.com> Signed-off-by: Tomeu Vizoso <tomeu.vizoso@collabora.com> Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
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