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Message-Id: <20160922222208.23798-3-alexandre.belloni@free-electrons.com>
Date: Fri, 23 Sep 2016 00:22:06 +0200
From: Alexandre Belloni <alexandre.belloni@...e-electrons.com>
To: Nicolas Ferre <nicolas.ferre@...el.com>
Cc: linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
Szemző András <sza@....hu>,
Alexandre Belloni <alexandre.belloni@...e-electrons.com>
Subject: [PATCH 2/4] ARM: at91: handle CONFIG_PM for armv7m configurations
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@...e-electrons.com>
---
arch/arm/mach-at91/Kconfig | 6 ++++++
arch/arm/mach-at91/Makefile | 3 +--
arch/arm/mach-at91/samx7.c | 10 ++++++++++
3 files changed, 17 insertions(+), 2 deletions(-)
diff --git a/arch/arm/mach-at91/Kconfig b/arch/arm/mach-at91/Kconfig
index 3ca2724a6ca6..df3b6efa888d 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
@@ -73,6 +74,7 @@ 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
@@ -131,9 +133,13 @@ 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 84956a18d604..116691714bb8 100644
--- a/arch/arm/mach-at91/Makefile
+++ b/arch/arm/mach-at91/Makefile
@@ -10,8 +10,7 @@ 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 bd33bc56278e..240f8cda79ee 100644
--- a/arch/arm/mach-at91/samx7.c
+++ b/arch/arm/mach-at91/samx7.c
@@ -16,6 +16,16 @@
#include "generic.h"
#include "soc.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 struct at91_soc samx7_socs[] = {
AT91_SOC(SAME70Q21_CIDR_MATCH, SAME70Q21_EXID_MATCH,
"same70q21", "samx7"),
--
2.9.3
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