diff options
| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2015-06-08 10:49:28 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2015-06-08 10:49:28 -0700 |
| commit | 00fda1682efdbd62a20a8a21aee52d994c323c7f (patch) | |
| tree | f49cee6c892019f193bf29985604951dd81ea94d /arch/arm/mach-imx/gpc.c | |
| parent | 1c4b1d73bacc546ba4e42f7eb4cb88c54139820b (diff) | |
| parent | d4a4f75cd8f29cd9464a5a32e9224a91571d6649 (diff) | |
Merge 4.1-rc7 into tty-next
This fixes up a merge issue with the amba-pl011.c driver, and we want
the fixes in this branch as well.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'arch/arm/mach-imx/gpc.c')
| -rw-r--r-- | arch/arm/mach-imx/gpc.c | 16 |
1 files changed, 13 insertions, 3 deletions
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NULL, "fsl,imx6q-gpc"); - if (WARN_ON(!np || - !of_find_property(np, "interrupt-controller", NULL))) - pr_warn("Outdated DT detected, system is about to crash!!!\n"); + if (WARN_ON(!np)) + return; + + if (WARN_ON(!of_find_property(np, "interrupt-controller", NULL))) { + pr_warn("Outdated DT detected, suspend/resume will NOT work\n"); + + /* map GPC, so that at least CPUidle and WARs keep working */ + gpc_base = of_iomap(np, 0); + } } #ifdef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; |