diff mbox

PM / OPP: Fix parsing of opp-microvolt and opp-microamp properties

Message ID 20151217020133.GD3496@ubuntu
State New
Headers show

Commit Message

Viresh Kumar Dec. 17, 2015, 2:01 a.m. UTC 
On 16-12-15, 16:41, Bartlomiej Zolnierkiewicz wrote:
> Commit 01fb4d3c39d3 ("PM / OPP: Parse 'opp-<prop>-<name>'

> bindings") broke support for parsing standard opp-microvolt and

> opp-microamp properties.  Fix it by setting 'name' string to

> proper value for !dev_opp->prop_name cases.

> 

> Cc: Viresh Kumar <viresh.kumar@linaro.org>

> Cc: Lee Jones <lee.jones@linaro.org>

> Cc: Rafael J. Wysocki <rafael.j.wysocki@intel.com>

> Fixes: 01fb4d3c39d3 ("PM / OPP: Parse 'opp-<prop>-<name> 'bindings")

> Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>

> ---

> This fixes Exynos4x12 cpufreq-dt support regression present in

> linux-pm/linux-next tree.  Rafael, please apply.  Thank you.

> 

>  drivers/base/power/opp/core.c |   12 ++++++------

>  1 file changed, 6 insertions(+), 6 deletions(-)

> 

> Index: b/drivers/base/power/opp/core.c

> ===================================================================

> --- a/drivers/base/power/opp/core.c	2015-12-16 16:10:13.509171420 +0100

> +++ b/drivers/base/power/opp/core.c	2015-12-16 16:21:18.385183902 +0100

> @@ -806,11 +806,11 @@ static int opp_parse_supplies(struct dev

>  	struct property *prop = NULL;

>  	char name[NAME_MAX];

>  

> +	sprintf(name, "opp-microvolt-%s", dev_opp->prop_name);

> +

>  	/* Search for "opp-microvolt-<name>" */

> -	if (dev_opp->prop_name) {

> -		sprintf(name, "opp-microvolt-%s", dev_opp->prop_name);

> +	if (dev_opp->prop_name)

>  		prop = of_find_property(opp->np, name, NULL);

> -	}

>  

>  	if (!prop) {

>  		/* Search for "opp-microvolt" */

> @@ -848,10 +848,10 @@ static int opp_parse_supplies(struct dev

>  

>  	/* Search for "opp-microamp-<name>" */

>  	prop = NULL;

> -	if (dev_opp->prop_name) {

> -		sprintf(name, "opp-microamp-%s", dev_opp->prop_name);

> +	sprintf(name, "opp-microamp-%s", dev_opp->prop_name);

> +

> +	if (dev_opp->prop_name)

>  		prop = of_find_property(opp->np, name, NULL);

> -	}

>  

>  	if (!prop) {

>  		/* Search for "opp-microamp" */


Sorry about this. And I am disliking the solution suggested by Stephen
more and more now. Please resend this patch with following changes
instead:

-- 
viresh
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diff mbox

Patch

diff --git a/drivers/base/power/opp/core.c b/drivers/base/power/opp/core.c
index 6c6856e426f0..a96df5cda303 100644
--- a/drivers/base/power/opp/core.c
+++ b/drivers/base/power/opp/core.c
@@ -816,7 +816,7 @@  static int opp_parse_supplies(struct dev_pm_opp *opp, struct device *dev,
 
        if (!prop) {
                /* Search for "opp-microvolt" */
-               name[13] = '\0';
+               sprintf(name, "opp-microvolt");
                prop = of_find_property(opp->np, name, NULL);
 
                /* Missing property isn't a problem, but an invalid entry is */
@@ -857,7 +857,7 @@  static int opp_parse_supplies(struct dev_pm_opp *opp, struct device *dev,
 
        if (!prop) {
                /* Search for "opp-microamp" */
-               name[12] = '\0';
+               sprintf(name, "opp-microamp");
                prop = of_find_property(opp->np, name, NULL);
        }