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[2/3] ARM: EXYNOS: pm_domain: Fix power domain name initialization

Message ID 1346924286-9584-3-git-send-email-t.figa@samsung.com (mailing list archive)
State New, archived
Headers show

Commit Message

Tomasz Figa Sept. 6, 2012, 9:38 a.m. UTC
This patch adds initialization of name field in generic power domain
struct.

Signed-off-by: Tomasz Figa <t.figa@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
---
 arch/arm/mach-exynos/pm_domains.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

Comments

Thomas Abraham Sept. 8, 2012, 8:07 a.m. UTC | #1
On 6 September 2012 15:08, Tomasz Figa <t.figa@samsung.com> wrote:
> This patch adds initialization of name field in generic power domain
> struct.
>
> Signed-off-by: Tomasz Figa <t.figa@samsung.com>
> Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
> ---
>  arch/arm/mach-exynos/pm_domains.c | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/arch/arm/mach-exynos/pm_domains.c b/arch/arm/mach-exynos/pm_domains.c
> index d1abc1a..5b7ce7e 100644
> --- a/arch/arm/mach-exynos/pm_domains.c
> +++ b/arch/arm/mach-exynos/pm_domains.c
> @@ -98,7 +98,8 @@ static __init int exynos_pm_dt_parse_domains(void)
>                         return -ENOMEM;
>                 }
>
> -               pd->name = np->name;
> +               pd->pd.name = kstrdup(np->name, GFP_KERNEL);
> +               pd->name = pd->pd.name;

Since device tree blob is always resident, why not just use np->name
instead of copying it to a new place?

>                 pd->base = of_iomap(np, 0);
>                 pd->pd.power_off = exynos_pd_power_off;
>                 pd->pd.power_on = exynos_pd_power_on;
> --
> 1.7.12
>
Tomasz Figa Sept. 8, 2012, 8:24 a.m. UTC | #2
Hi Thomas,

On Saturday 08 of September 2012 13:37:59 Thomas Abraham wrote:
> > -               pd->name = np->name;
> > +               pd->pd.name = kstrdup(np->name, GFP_KERNEL);
> > +               pd->name = pd->pd.name;
> 
> Since device tree blob is always resident, why not just use np->name
> instead of copying it to a new place?

The problem is that np->name is const, while pd->pd.name is not.

--
Best regards,
Tomasz Figa
diff mbox

Patch

diff --git a/arch/arm/mach-exynos/pm_domains.c b/arch/arm/mach-exynos/pm_domains.c
index d1abc1a..5b7ce7e 100644
--- a/arch/arm/mach-exynos/pm_domains.c
+++ b/arch/arm/mach-exynos/pm_domains.c
@@ -98,7 +98,8 @@  static __init int exynos_pm_dt_parse_domains(void)
 			return -ENOMEM;
 		}
 
-		pd->name = np->name;
+		pd->pd.name = kstrdup(np->name, GFP_KERNEL);
+		pd->name = pd->pd.name;
 		pd->base = of_iomap(np, 0);
 		pd->pd.power_off = exynos_pd_power_off;
 		pd->pd.power_on = exynos_pd_power_on;