linux-kernel - [PATCH 2/2] PM / Domains: Mark "name" const in dev_pm_domain_attach_by

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Date:   Thu, 14 Feb 2019 10:12:49 -0800
From:   Douglas Anderson <dianders@...omium.org>
To:     "Rafael J . Wysocki" <rjw@...ysocki.net>,
        Ulf Hansson <ulf.hansson@...aro.org>
Cc:     linux-arm-msm@...r.kernel.org,
        Viresh Kumar <viresh.kumar@...aro.org>,
        Rajendra Nayak <rnayak@...eaurora.org>, swboyd@...omium.org,
        Douglas Anderson <dianders@...omium.org>,
        linux-pm@...r.kernel.org, linux-kernel@...r.kernel.org,
        Len Brown <len.brown@...el.com>,
        Kevin Hilman <khilman@...nel.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Pavel Machek <pavel@....cz>
Subject: [PATCH 2/2] PM / Domains: Mark "name" const in dev_pm_domain_attach_by_name()

As of the patch ("PM / Domains: Mark "name" const in
genpd_dev_pm_attach_by_name()") it's clear that the name in
dev_pm_domain_attach_by_name() can be const.  Mark it as so.  This
allows drivers to pass in a name that was declared "const" in a
driver.

Fixes: 27dceb81f445 ("PM / Domains: Introduce dev_pm_domain_attach_by_name()")
Signed-off-by: Douglas Anderson <dianders@...omium.org>
---

 drivers/base/power/common.c | 2 +-
 include/linux/pm_domain.h   | 4 ++--
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/base/power/common.c b/drivers/base/power/common.c
index b413951c6abc..22aedb28aad7 100644
--- a/drivers/base/power/common.c
+++ b/drivers/base/power/common.c
@@ -160,7 +160,7 @@ EXPORT_SYMBOL_GPL(dev_pm_domain_attach_by_id);
  * For a detailed function description, see dev_pm_domain_attach_by_id().
  */
 struct device *dev_pm_domain_attach_by_name(struct device *dev,
-					    char *name)
+					    const char *name)
 {
 	if (dev->pm_domain)
 		return ERR_PTR(-EEXIST);
diff --git a/include/linux/pm_domain.h b/include/linux/pm_domain.h
index 203be5082f33..1ed5874bcee0 100644
--- a/include/linux/pm_domain.h
+++ b/include/linux/pm_domain.h
@@ -341,7 +341,7 @@ int dev_pm_domain_attach(struct device *dev, bool power_on);
 struct device *dev_pm_domain_attach_by_id(struct device *dev,
 					  unsigned int index);
 struct device *dev_pm_domain_attach_by_name(struct device *dev,
-					    char *name);
+					    const char *name);
 void dev_pm_domain_detach(struct device *dev, bool power_off);
 void dev_pm_domain_set(struct device *dev, struct dev_pm_domain *pd);
 #else
@@ -355,7 +355,7 @@ static inline struct device *dev_pm_domain_attach_by_id(struct device *dev,
 	return NULL;
 }
 static inline struct device *dev_pm_domain_attach_by_name(struct device *dev,
-							  char *name)
+							  const char *name)
 {
 	return NULL;
 }
-- 
2.21.0.rc0.258.g878e2cd30e-goog