diff options
Diffstat (limited to 'arch/arm/mach-imx')
| -rw-r--r-- | arch/arm/mach-imx/devices/platform-sdhci-esdhc-imx.c | 2 | ||||
| -rw-r--r-- | arch/arm/mach-imx/gpc.c | 16 |
2 files changed, 14 insertions, 4 deletions
diff --git a/arch/arm/mach-imx/devices/platform-sdhci-esdhc-imx.c b/arch/arm/mach-imx/devices/platform-sdhci-esdhc-imx.c index fb8d4a2ad48c..a5edd7d60266 100644 --- a/arch/arm/mach-imx/devices/platform-sdhci-esdhc-imx.c +++ b/arch/arm/mach-imx/devices/platform-sdhci-esdhc-imx.c @@ -1,5 +1,5 @@ /* - * Copyright (C) 2010 Pengutronix, Wolfram Sang <w.sang@pengutronix.de> + * Copyright (C) 2010 Pengutronix, Wolfram Sang <kernel@pengutronix.de> * * This program is free software; you can redistribute it and/or modify it under * the terms of the GNU General Public License version 2 as published by the diff --git a/arch/arm/mach-imx/gpc.c b/arch/arm/mach-imx/gpc.c index 4d60005e9277..6d0893a3828e 100644 --- a/arch/arm/mach-imx/gpc.c +++ b/arch/arm/mach-imx/gpc.c @@ -280,9 +280,15 @@ void __init imx_gpc_check_dt(void) struct device_node *np; np = of_find_compatible_node(NULL, NULL, "fsl,imx6q-gpc"); - if (WARN_ON(!np || - !of_find_property(np, "interrupt-controller", NULL))) - pr_warn("Outdated DT detected, system is about to crash!!!\n"); + if (WARN_ON(!np)) + return; + + if (WARN_ON(!of_find_property(np, "interrupt-controller", NULL))) { + pr_warn("Outdated DT detected, suspend/resume will NOT work\n"); + + /* map GPC, so that at least CPUidle and WARs keep working */ + gpc_base = of_iomap(np, 0); + } } #ifdef CONFIG_PM_GENERIC_DOMAINS @@ -443,6 +449,10 @@ static int imx_gpc_probe(struct platform_device *pdev) struct regulator *pu_reg; int ret; + /* bail out if DT too old and doesn't provide the necessary info */ + if (!of_property_read_bool(pdev->dev.of_node, "#power-domain-cells")) + return 0; + pu_reg = devm_regulator_get_optional(&pdev->dev, "pu"); if (PTR_ERR(pu_reg) == -ENODEV) pu_reg = NULL; |