From 7c74ed86384df2482021525a60feb9fe1302d0fd Mon Sep 17 00:00:00 2001
From: Angus Gratton <angus@espressif.com>
Date: Fri, 17 Nov 2017 15:00:51 +1100
Subject: [PATCH] spi_flash: Expose an accessor the current SPI flash guard
 functions

Change places which uses g_flash_guard_default_ops to use this. Probably exact same data, but a bit
cleaner.
---
 components/spi_flash/flash_ops.c             | 5 +++++
 components/spi_flash/include/esp_spi_flash.h | 9 +++++++++
 2 files changed, 14 insertions(+)

diff --git a/components/spi_flash/flash_ops.c b/components/spi_flash/flash_ops.c
index afb8f407be..da097a9d91 100644
--- a/components/spi_flash/flash_ops.c
+++ b/components/spi_flash/flash_ops.c
@@ -95,6 +95,11 @@ void IRAM_ATTR spi_flash_guard_set(const spi_flash_guard_funcs_t *funcs)
     s_flash_guard_ops = funcs;
 }
 
+const spi_flash_guard_funcs_t *IRAM_ATTR spi_flash_guard_get()
+{
+    return s_flash_guard_ops;
+}
+
 size_t IRAM_ATTR spi_flash_get_chip_size()
 {
     return g_rom_flashchip.chip_size;
diff --git a/components/spi_flash/include/esp_spi_flash.h b/components/spi_flash/include/esp_spi_flash.h
index 00797b8df2..9ea4588818 100644
--- a/components/spi_flash/include/esp_spi_flash.h
+++ b/components/spi_flash/include/esp_spi_flash.h
@@ -297,6 +297,15 @@ typedef struct {
  */
 void spi_flash_guard_set(const spi_flash_guard_funcs_t* funcs);
 
+
+/**
+ * @brief Get the guard functions used for flash access
+ *
+ * @return The guard functions that were set via spi_flash_guard_set(). These functions
+ * can be called if implementing custom low-level SPI flash operations.
+ */
+const spi_flash_guard_funcs_t *spi_flash_guard_get();
+
 /**
  * @brief Default OS-aware flash access guard functions
  */