cfi: Make the flash erase and write operations abortable
Check for ctrlc() in operations that take time and loop over the flash
addresses.
In netconsole, tstc() is expensive. Only check once in a while to not
slow down the operation significantly.
Signed-off-by: Joe Hershberger <joe.hershberger@ni.com>
Signed-off-by: Stefan Roese <sr@denx.de>
diff --git a/include/flash.h b/include/flash.h
index e614d07..6d70bdd 100644
--- a/include/flash.h
+++ b/include/flash.h
@@ -141,6 +141,7 @@
#define ERR_UNKNOWN_FLASH_VENDOR 32
#define ERR_UNKNOWN_FLASH_TYPE 64
#define ERR_PROG_ERROR 128
+#define ERR_ABORTED 256
/*-----------------------------------------------------------------------
* Protection Flags for flash_protect():