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authorBrian Norris <computersforpeace@gmail.com>2015-03-13 00:38:39 -0700
committerBrian Norris <computersforpeace@gmail.com>2015-03-27 10:37:38 -0700
commit8cc7f33aadc8fb37b5a3f4c46f5fa83748a92a01 (patch)
treeeae708435c1462bed2bf4d460b36642adf69223b /include/linux/mtd
parent73c8aaf43629e83541332f66fd08699e20ea87bc (diff)
downloadblackbird-op-linux-8cc7f33aadc8fb37b5a3f4c46f5fa83748a92a01.tar.gz
blackbird-op-linux-8cc7f33aadc8fb37b5a3f4c46f5fa83748a92a01.zip
mtd: spi-nor: factor out replace-able flash_{lock,unlock}
Flash lock/unlock is a flash-specific operations. Factor out a callback for it to more readily support other vendors. Signed-off-by: Brian Norris <computersforpeace@gmail.com> Tested-by: VIET NGA DAO <vndao@altera.com>
Diffstat (limited to 'include/linux/mtd')
-rw-r--r--include/linux/mtd/spi-nor.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/include/linux/mtd/spi-nor.h b/include/linux/mtd/spi-nor.h
index 4720b86ee73d..e5409524bb0a 100644
--- a/include/linux/mtd/spi-nor.h
+++ b/include/linux/mtd/spi-nor.h
@@ -155,6 +155,8 @@ enum spi_nor_option_flags {
* @write: [DRIVER-SPECIFIC] write data to the SPI NOR
* @erase: [DRIVER-SPECIFIC] erase a sector of the SPI NOR
* at the offset @offs
+ * @lock: [FLASH-SPECIFIC] lock a region of the SPI NOR
+ * @unlock: [FLASH-SPECIFIC] unlock a region of the SPI NOR
* @priv: the private data
*/
struct spi_nor {
@@ -189,6 +191,9 @@ struct spi_nor {
size_t len, size_t *retlen, const u_char *write_buf);
int (*erase)(struct spi_nor *nor, loff_t offs);
+ int (*flash_lock)(struct spi_nor *nor, loff_t ofs, uint64_t len);
+ int (*flash_unlock)(struct spi_nor *nor, loff_t ofs, uint64_t len);
+
void *priv;
};
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