[PATCH v4 1/5] asm/arch-meson: add missing meson_sm_write_efuse signature

[Alexey Romanov]

This function can be used by other modules. Also add comments.

Signed-off-by: Alexey Romanov <avromanov at sberdevices.ru>
Reviewed-by: Neil Armstrong <neil.armstrong at linaro.org>
---
 arch/arm/include/asm/arch-meson/sm.h | 28 ++++++++++++++++++++++++++++
 1 file changed, 28 insertions(+)

diff --git a/arch/arm/include/asm/arch-meson/sm.h b/arch/arm/include/asm/arch-meson/sm.h
index f3ae46a6d6b..53b75176493 100644
--- a/arch/arm/include/asm/arch-meson/sm.h
+++ b/arch/arm/include/asm/arch-meson/sm.h
@@ -6,10 +6,35 @@
 #ifndef __MESON_SM_H__
 #define __MESON_SM_H__
 
+/**
+ * meson_sm_read_efuse - read efuse memory into buffer
+ *
+ * @offset: offset from the start efuse memory
+ * @buffer: pointer to buffer
+ * @size: number of bytes to read
+ * @return: number of bytes read
+ */
 ssize_t meson_sm_read_efuse(uintptr_t offset, void *buffer, size_t size);
 
+/**
+ * meson_sm_write_efuse - write into efuse memory from buffer
+ *
+ * @offset: offset from the start efuse memory
+ * @buffer: pointer to buffer
+ * @size: number of bytes to write
+ * @return: number of bytes written
+ */
+ssize_t meson_sm_write_efuse(uintptr_t offset, void *buffer, size_t size);
+
 #define SM_SERIAL_SIZE	12
 
+/**
+ * meson_sm_get_serial - read chip unique id into buffer
+ *
+ * @buffer: pointer to buffer
+ * @size: buffer size.
+ * @return: zero on success or -errno on failure
+ */
 int meson_sm_get_serial(void *buffer, size_t size);
 
 enum {
@@ -28,6 +53,9 @@ enum {
 	REBOOT_REASON_WATCHDOG_REBOOT = 13,
 };
 
+/**
+ * meson_sm_get_reboot_reason - get reboot reason
+ */
 int meson_sm_get_reboot_reason(void);
 
 #endif /* __MESON_SM_H__ */
-- 
2.25.1