Module Name: src Committed By: jakllsch Date: Thu Dec 19 16:00:52 UTC 2019
Modified Files: src/sys/dev/fdt: fdt_panel.c Log Message: Abort panel driver attach if required regulator is missing. To generate a diff of this commit: cvs rdiff -u -r1.1 -r1.2 src/sys/dev/fdt/fdt_panel.c Please note that diffs are not public domain; they are subject to the copyright notices on the relevant files.
Modified files: Index: src/sys/dev/fdt/fdt_panel.c diff -u src/sys/dev/fdt/fdt_panel.c:1.1 src/sys/dev/fdt/fdt_panel.c:1.2 --- src/sys/dev/fdt/fdt_panel.c:1.1 Thu Dec 19 00:35:01 2019 +++ src/sys/dev/fdt/fdt_panel.c Thu Dec 19 16:00:52 2019 @@ -1,4 +1,4 @@ -/* $NetBSD: fdt_panel.c,v 1.1 2019/12/19 00:35:01 jakllsch Exp $ */ +/* $NetBSD: fdt_panel.c,v 1.2 2019/12/19 16:00:52 jakllsch Exp $ */ /*- * Copyright (c) 2019 Jonathan A. Kollasch <jakll...@kollasch.net> @@ -27,7 +27,7 @@ */ #include <sys/cdefs.h> -__KERNEL_RCSID(0, "$NetBSD: fdt_panel.c,v 1.1 2019/12/19 00:35:01 jakllsch Exp $"); +__KERNEL_RCSID(0, "$NetBSD: fdt_panel.c,v 1.2 2019/12/19 16:00:52 jakllsch Exp $"); #include <sys/param.h> #include <sys/bus.h> @@ -144,6 +144,10 @@ panel_fdt_attach(device_t parent, device /* required for "simple-panel" */ sc->sc_regulator = fdtbus_regulator_acquire(phandle, "power-supply"); + if (sc->sc_regulator == NULL) { + aprint_error_dev(self, "regulator not found\n"); + return; + } /* optional for "simple-panel" */ sc->sc_enable = fdtbus_gpio_acquire_index(phandle,