From b413a240cb70c1b9dfa946a368684276a44bd37e Mon Sep 17 00:00:00 2001
From: "Michael (XIAO Xufeng)" <xiaoxufeng@espressif.com>
Date: Mon, 29 Jul 2019 14:31:30 +0800
Subject: [PATCH] esp_attr: support force_inline

---
 components/esp32/include/esp_attr.h | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/components/esp32/include/esp_attr.h b/components/esp32/include/esp_attr.h
index 7a3ec771d..58fef76c7 100644
--- a/components/esp32/include/esp_attr.h
+++ b/components/esp32/include/esp_attr.h
@@ -34,6 +34,9 @@
 // Forces data to be placed to DMA-capable places
 #define DMA_ATTR WORD_ALIGNED_ATTR DRAM_ATTR
 
+// Forces a function to be inlined
+#define FORCE_INLINE_ATTR static inline __attribute__((always_inline))
+
 // Forces a string into DRAM instead of flash
 // Use as ets_printf(DRAM_STR("Hello world!\n"));
 #define DRAM_STR(str) (__extension__({static const DRAM_ATTR char __c[] = (str); (const char *)&__c;}))
@@ -45,7 +48,7 @@
 // Forces bss variable into external memory. "
 #define EXT_RAM_ATTR _SECTION_ATTR_IMPL(".ext_ram.bss", __COUNTER__)
 #else
-#define EXT_RAM_ATTR 
+#define EXT_RAM_ATTR
 #endif
 
 // Forces data into RTC slow memory. See "docs/deep-sleep-stub.rst"