From bc70f92966221f941b96177b401744a7aca24814 Mon Sep 17 00:00:00 2001
From: Keith Packard <keithp@keithp.com>
Date: Mon, 7 May 2018 09:42:28 -0700
Subject: [PATCH] altos/stmf0: leave ao_power_gpio names undefined without
 power management

Should make it more obvious at compile time that you've done something wrong.

Signed-off-by: Keith Packard <keithp@keithp.com>
---
 src/stmf0/ao_arch_funcs.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/stmf0/ao_arch_funcs.h b/src/stmf0/ao_arch_funcs.h
index 56a3bc75..96c033f9 100644
--- a/src/stmf0/ao_arch_funcs.h
+++ b/src/stmf0/ao_arch_funcs.h
@@ -171,10 +171,12 @@ ao_spi_try_get_mask(struct stm_gpio *reg, uint16_t mask, uint8_t bus, uint32_t s
 #define ao_spi_get_bit(reg,bit,pin,bus,speed) ao_spi_get_mask(reg,(1<<bit),bus,speed)
 #define ao_spi_put_bit(reg,bit,pin,bus) ao_spi_put_mask(reg,(1<<bit),bus)
 
+#if AO_POWER_MANAGEMENT
 extern struct ao_power	ao_power_gpioa;
 extern struct ao_power	ao_power_gpiob;
 extern struct ao_power	ao_power_gpioc;
 extern struct ao_power	ao_power_gpiof;
+#endif
 
 static inline void ao_enable_port(struct stm_gpio *port)
 {
-- 
2.30.2