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Subject[PATCH v3 4/6] ARM: at91: handle CONFIG_PM for armv7m configurations
Date
There is currently no PM support for samx7 but the symbol can still be
selected. This avoids compilation issues.

Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
---
arch/arm/mach-at91/Kconfig | 6 ++++++
arch/arm/mach-at91/Makefile | 3 +--
arch/arm/mach-at91/samx7.c | 9 +++++++++
3 files changed, 16 insertions(+), 2 deletions(-)

diff --git a/arch/arm/mach-at91/Kconfig b/arch/arm/mach-at91/Kconfig
index bade64e0cb49..34fa561aa853 100644
--- a/arch/arm/mach-at91/Kconfig
+++ b/arch/arm/mach-at91/Kconfig
@@ -59,6 +59,7 @@ config SOC_AT91RM9200
bool "AT91RM9200"
depends on ARCH_MULTI_V4T
select ATMEL_AIC_IRQ
+ select ATMEL_PM if PM
select ATMEL_ST
select CPU_ARM920T
select HAVE_AT91_USB_CLK
@@ -72,6 +73,7 @@ config SOC_AT91SAM9
bool "AT91SAM9"
depends on ARCH_MULTI_V5
select ATMEL_AIC_IRQ
+ select ATMEL_PM if PM
select ATMEL_SDRAMC
select CPU_ARM926T
select HAVE_AT91_SMD
@@ -130,9 +132,13 @@ config SOC_SAM_V7
config SOC_SAMA5
bool
select ATMEL_AIC5_IRQ
+ select ATMEL_PM if PM
select ATMEL_SDRAMC
select MEMORY
select SOC_SAM_V7
select SRAM if PM

+config ATMEL_PM
+ bool
+
endif
diff --git a/arch/arm/mach-at91/Makefile b/arch/arm/mach-at91/Makefile
index 55a88c104e5d..1db023ad4dc0 100644
--- a/arch/arm/mach-at91/Makefile
+++ b/arch/arm/mach-at91/Makefile
@@ -9,8 +9,7 @@ obj-$(CONFIG_SOC_SAMA5) += sama5.o
obj-$(CONFIG_SOC_SAMX7) += samx7.o

# Power Management
-obj-$(CONFIG_PM) += pm.o
-obj-$(CONFIG_PM) += pm_suspend.o
+obj-$(CONFIG_ATMEL_PM) += pm.o pm_suspend.o

ifeq ($(CONFIG_CPU_V7),y)
AFLAGS_pm_suspend.o := -march=armv7-a
diff --git a/arch/arm/mach-at91/samx7.c b/arch/arm/mach-at91/samx7.c
index e2e7d153a7b9..24c40306714e 100644
--- a/arch/arm/mach-at91/samx7.c
+++ b/arch/arm/mach-at91/samx7.c
@@ -15,6 +15,15 @@
#include <asm/system_misc.h>
#include "generic.h"

+#ifdef CONFIG_PM
+/* This function has to be defined for various drivers that are using it */
+int at91_suspend_entering_slow_clock(void)
+{
+ return 0;
+}
+EXPORT_SYMBOL(at91_suspend_entering_slow_clock);
+#endif
+
static const char *const samx7_dt_board_compat[] __initconst = {
"atmel,samx7",
NULL
--
2.11.0
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