linux-kernel - [PATCH v2 5/5] ARM: OMAP2+: Create dummy platform

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Message-ID: <20170519200438.9502-6-d-gerlach@ti.com>
Date:   Fri, 19 May 2017 15:04:38 -0500
From:   Dave Gerlach <d-gerlach@...com>
To:     Tony Lindgren <tony@...mide.com>,
        Santosh Shilimkar <ssantosh@...nel.org>,
        Russell King <linux@...linux.org.uk>
CC:     <linux-arm-kernel@...ts.infradead.org>,
        <linux-omap@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        Dave Gerlach <d-gerlach@...com>, Keerthy J <j-keerthy@...com>
Subject: [PATCH v2 5/5] ARM: OMAP2+: Create dummy platform_device for pm33xx

Add amx3_common_pm_init to create a dummy platform_device for
pm33xx so that our pm33xx module can probe and am335x and am437x
platforms to enable basic suspend to mem and standby support.

Signed-off-by: Dave Gerlach <d-gerlach@...com>
---
 arch/arm/mach-omap2/common.h      |  7 +++++++
 arch/arm/mach-omap2/io.c          |  2 ++
 arch/arm/mach-omap2/pm33xx-core.c | 12 ++++++++++++
 3 files changed, 21 insertions(+)

diff --git a/arch/arm/mach-omap2/common.h b/arch/arm/mach-omap2/common.h
index 3089d3bfa19b..cd7724d040f8 100644
--- a/arch/arm/mach-omap2/common.h
+++ b/arch/arm/mach-omap2/common.h
@@ -77,6 +77,13 @@ static inline int omap4_pm_init_early(void)
 }
 #endif
 
+#if defined(CONFIG_PM) && (defined(CONFIG_SOC_AM33XX) || \
+	defined(CONFIG_SOC_AM43XX))
+void amx3_common_pm_init(void);
+#else
+static inline void amx3_common_pm_init(void) { }
+#endif
+
 extern void omap2_init_common_infrastructure(void);
 
 extern void omap_init_time(void);
diff --git a/arch/arm/mach-omap2/io.c b/arch/arm/mach-omap2/io.c
index 5aafb8449c40..1bbbf19c93ea 100644
--- a/arch/arm/mach-omap2/io.c
+++ b/arch/arm/mach-omap2/io.c
@@ -652,6 +652,7 @@ void __init am33xx_init_early(void)
 void __init am33xx_init_late(void)
 {
 	omap_common_late_init();
+	amx3_common_pm_init();
 }
 #endif
 
@@ -676,6 +677,7 @@ void __init am43xx_init_late(void)
 {
 	omap_common_late_init();
 	omap2_clk_enable_autoidle_all();
+	amx3_common_pm_init();
 }
 #endif
 
diff --git a/arch/arm/mach-omap2/pm33xx-core.c b/arch/arm/mach-omap2/pm33xx-core.c
index c84ffc4de2e9..b5d90841c27a 100644
--- a/arch/arm/mach-omap2/pm33xx-core.c
+++ b/arch/arm/mach-omap2/pm33xx-core.c
@@ -179,3 +179,15 @@ struct am33xx_pm_platform_data *am33xx_pm_get_pdata(void)
 	else
 		return NULL;
 }
+
+void __init amx3_common_pm_init(void)
+{
+	struct platform_device_info devinfo = { };
+	struct am33xx_pm_platform_data *pdata;
+
+	pdata = am33xx_pm_get_pdata();
+	devinfo.name = "pm33xx";
+	devinfo.data = pdata;
+	devinfo.size_data = sizeof(*pdata);
+	platform_device_register_full(&devinfo);
+}
-- 
2.13.0