* [PATCH] ARM: tango: register pm ops only if running on tango hw
@ 2018-08-22 14:55 Paolo Pisati
0 siblings, 0 replies; only message in thread
From: Paolo Pisati @ 2018-08-22 14:55 UTC (permalink / raw)
To: Russell King, Marc Gonzalez, Mans Rullgard; +Cc: linux-arm-kernel, linux-kernel
In a multiplatform kernel, avoid invoking hardware specific pm ops,
when running on a different SOC.
Signed-off-by: Paolo Pisati <p.pisati@gmail.com>
---
arch/arm/mach-tango/pm.c | 5 +----
arch/arm/mach-tango/setup.c | 7 +++++++
2 files changed, 8 insertions(+), 4 deletions(-)
diff --git a/arch/arm/mach-tango/pm.c b/arch/arm/mach-tango/pm.c
index 028e50c..ea8fe20 100644
--- a/arch/arm/mach-tango/pm.c
+++ b/arch/arm/mach-tango/pm.c
@@ -24,10 +24,7 @@ static const struct platform_suspend_ops tango_pm_ops = {
.valid = suspend_valid_only_mem,
};
-static int __init tango_pm_init(void)
+void __init tango_pm_init(void)
{
suspend_set_ops(&tango_pm_ops);
- return 0;
}
-
-late_initcall(tango_pm_init);
diff --git a/arch/arm/mach-tango/setup.c b/arch/arm/mach-tango/setup.c
index 677dd7b..56a1c0c 100644
--- a/arch/arm/mach-tango/setup.c
+++ b/arch/arm/mach-tango/setup.c
@@ -11,8 +11,15 @@ static void tango_l2c_write(unsigned long val, unsigned int reg)
static const char *const tango_dt_compat[] = { "sigma,tango4", NULL };
+#ifdef CONFIG_PM_SLEEP
+extern void tango_pm_init(void);
+#else
+static inline void tango_pm_init(void) {}
+#endif
+
DT_MACHINE_START(TANGO_DT, "Sigma Tango DT")
.dt_compat = tango_dt_compat,
+ .init_machine = tango_pm_init,
.l2c_aux_mask = ~0,
.l2c_write_sec = tango_l2c_write,
MACHINE_END
--
2.7.4
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