[Skiboot] [PATCH v2 1/2] flash: Add documentation for blocklevel_smart_write()
mikey at neuling.org
Thu Jul 28 17:15:31 AEST 2016
A function called "smart" doesn't give the user any clues as to why
they would want to use it over other calls.
This adds some documentation so users can determine when to best use
Signed-off-by: Michael Neuling <mikey at neuling.org>
- Fix typo in commit message and comment
libflash/blocklevel.h | 9 ++++++++-
1 file changed, 8 insertions(+), 1 deletion(-)
diff --git a/libflash/blocklevel.h b/libflash/blocklevel.h
index 9f4285e..e9eb32a 100644
@@ -64,7 +64,14 @@ int blocklevel_erase(struct blocklevel_device *bl, uint32_t pos, uint32_t len);
int blocklevel_get_info(struct blocklevel_device *bl, const char **name, uint32_t *total_size,
-/* Convienience functions */
+ * blocklevel_smart_write() performs reads on the data to see if it
+ * can skip erase or write calls. This is likely more convenient for
+ * the caller since they don't need to perform these checks
+ * themselves. Depending on the new and old data, this may be faster
+ * or slower than the just using blocklevel_erase/write calls.
+ * directly.
int blocklevel_smart_write(struct blocklevel_device *bl, uint32_t pos, const void *buf, uint32_t len);
/* Implemented in software at this level */
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