From 1ba8048ec6dbe710e6c5f9c299e0ab06a8c2f548 Mon Sep 17 00:00:00 2001 From: Haojian Zhuang Date: Thu, 10 Jul 2014 17:19:19 +0800 Subject: ARM: hisi: fix the sysctrl mapping sysctrl mapping isn't created when we read register in sysctrl. Signed-off-by: Haojian Zhuang --- arch/arm/mach-hisi/platmcpm.c | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/arch/arm/mach-hisi/platmcpm.c b/arch/arm/mach-hisi/platmcpm.c index 143fcdf3fd9f..3cad973382ab 100644 --- a/arch/arm/mach-hisi/platmcpm.c +++ b/arch/arm/mach-hisi/platmcpm.c @@ -185,6 +185,13 @@ static int __init hip04_mcpm_init(void) goto err; } + sysctrl = of_iomap(np, 0); + if (!sysctrl) { + pr_err("failed to get sysctrl base\n"); + ret = -ENOMEM; + goto err_sysctrl; + } + if (!hip04_cpu_table_init()) return -EINVAL; ret = mcpm_platform_register(&hip04_mcpm_ops); @@ -194,6 +201,8 @@ static int __init hip04_mcpm_init(void) } mcpm_smp_set_ops(); return ret; +err_sysctrl: + iounmap(relocation); err: return ret; } -- cgit v1.2.3