linux-kernel - [PATCH 2/4] PM / shmobile: Allow device latencies to be specified directly

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Date:	Wed, 8 Aug 2012 00:27:52 +0200
From:	"Rafael J. Wysocki" <rjw@...k.pl>
To:	"Linux-sh list" <linux-sh@...r.kernel.org>
Cc:	Linux PM list <linux-pm@...r.kernel.org>,
	LKML <linux-kernel@...r.kernel.org>,
	Magnus Damm <magnus.damm@...il.com>
Subject: [PATCH 2/4] PM / shmobile: Allow device latencies to be specified directly


Make it possible to specify device start/stop and save/restore
state latencies directy when adding devices to PM domains.  For
this purpose, introduce rmobile_add_device_to_domain_td() whose
third argument is a pointer to a struct gpd_timing_data object
containing device latency data.

Signed-off-by: Rafael J. Wysocki <rjw@...k.pl>
---
 arch/arm/mach-shmobile/include/mach/pm-rmobile.h |   14 ++++++++++++--
 arch/arm/mach-shmobile/pm-rmobile.c              |    7 ++++---
 2 files changed, 16 insertions(+), 5 deletions(-)

Index: linux/arch/arm/mach-shmobile/pm-rmobile.c
===================================================================
--- linux.orig/arch/arm/mach-shmobile/pm-rmobile.c
+++ linux/arch/arm/mach-shmobile/pm-rmobile.c
@@ -157,12 +157,13 @@ void rmobile_init_domains(struct rmobile
 		rmobile_init_pm_domain(&domains[j]);
 }
 
-void rmobile_add_device_to_domain(const char *domain_name,
-				 struct platform_device *pdev)
+void rmobile_add_device_to_domain_td(const char *domain_name,
+				     struct platform_device *pdev,
+				     struct gpd_timing_data *td)
 {
 	struct device *dev = &pdev->dev;
 
-	pm_genpd_name_add_device(domain_name, dev);
+	__pm_genpd_name_add_device(domain_name, dev, td);
 	if (pm_clk_no_clocks(dev))
 		pm_clk_add(dev, NULL);
 }
Index: linux/arch/arm/mach-shmobile/include/mach/pm-rmobile.h
===================================================================
--- linux.orig/arch/arm/mach-shmobile/include/mach/pm-rmobile.h
+++ linux/arch/arm/mach-shmobile/include/mach/pm-rmobile.h
@@ -31,10 +31,20 @@ struct rmobile_pm_domain *to_rmobile_pd(
 
 #ifdef CONFIG_PM
 extern void rmobile_init_domains(struct rmobile_pm_domain domains[], int num);
-extern void rmobile_add_device_to_domain(const char *domain_name,
-					struct platform_device *pdev);
+extern void rmobile_add_device_to_domain_td(const char *domain_name,
+					    struct platform_device *pdev,
+					    struct gpd_timing_data *td);
+
+static inline void rmobile_add_device_to_domain(const char *domain_name,
+						struct platform_device *pdev)
+{
+	rmobile_add_device_to_domain_td(domain_name, pdev, NULL);
+}
+
 #else
+
 #define rmobile_init_domains(domains, num) do { } while (0)
+#define rmobile_add_device_to_domain_td(name, pdev, td) do { } while (0)
 #define rmobile_add_device_to_domain(name, pdev) do { } while (0)
 #endif /* CONFIG_PM */
 

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