Merge tag 'davinci-fixes-for-v4.12' of git://git.kernel.org/pub/scm/linux/kernel/git/nsekhar/linux-davinci into fixes

These fix issues with power management initialization code
on DaVinci. Some resources were getting freed prematurely.
And there was an issue with resources not being on error.

* tag 'davinci-fixes-for-v4.12' of git://git.kernel.org/pub/scm/linux/kernel/git/nsekhar/linux-davinci:
  ARM: davinci: PM: Do not free useful resources in normal path in 'davinci_pm_init'
  ARM: davinci: PM: Free resources in error handling path in 'davinci_pm_init'

Signed-off-by: Olof Johansson <olof@lixom.net>

1 files changed, 6 insertions, 1 deletions

diff --git a/arch/arm/mach-davinci/pm.c b/arch/arm/mach-davinci/pm.c
index efb80354f303..b5cc05dc2cb2 100644
--- a/arch/arm/mach-davinci/pm.c
+++ b/arch/arm/mach-davinci/pm.c
@@ -153,7 +153,8 @@ int __init davinci_pm_init(void)
         davinci_sram_suspend = sram_alloc(davinci_cpu_suspend_sz, NULL);
         if (!davinci_sram_suspend) {
                 pr_err("PM: cannot allocate SRAM memory\n");
-                return -ENOMEM;
+                ret = -ENOMEM;
+                goto no_sram_mem;
         }
 
         davinci_sram_push(davinci_sram_suspend, davinci_cpu_suspend,
@@ -161,6 +162,10 @@ int __init davinci_pm_init(void)
 
         suspend_set_ops(&davinci_pm_ops);
 
+        return 0;
+
+no_sram_mem:
+        iounmap(pm_config.ddrpsc_reg_base);
 no_ddrpsc_mem:
         iounmap(pm_config.ddrpll_reg_base);
 no_ddrpll_mem: