diff options
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/mtd/spinand.h | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/include/linux/mtd/spinand.h b/include/linux/mtd/spinand.h index 2f8212e4037..44c616a4acf 100644 --- a/include/linux/mtd/spinand.h +++ b/include/linux/mtd/spinand.h @@ -337,6 +337,8 @@ struct spinand_ecc_info { * @select_target: function used to select a target/die. Required only for * multi-die chips * @set_cont_read: enable/disable continuous cached reads + * @read_retries: the number of read retry modes supported + * @set_read_retry: enable/disable read retry for data recovery * * Each SPI NAND manufacturer driver should have a spinand_info table * describing all the chips supported by the driver. @@ -357,6 +359,9 @@ struct spinand_info { unsigned int target); int (*set_cont_read)(struct spinand_device *spinand, bool enable); + unsigned int read_retries; + int (*set_read_retry)(struct spinand_device *spinand, + unsigned int read_retry); }; #define SPINAND_ID(__method, ...) \ @@ -385,6 +390,10 @@ struct spinand_info { #define SPINAND_CONT_READ(__set_cont_read) \ .set_cont_read = __set_cont_read, +#define SPINAND_READ_RETRY(__read_retries, __set_read_retry) \ + .read_retries = __read_retries, \ + .set_read_retry = __set_read_retry + #define SPINAND_INFO(__model, __id, __memorg, __eccreq, __op_variants, \ __flags, ...) \ { \ @@ -435,6 +444,8 @@ struct spinand_dirmap { * actually relevant to enable this feature. * @set_cont_read: Enable/disable the continuous read feature * @priv: manufacturer private data + * @read_retries: the number of read retry modes supported + * @set_read_retry: Enable/disable the read retry feature * @last_wait_status: status of the last wait operation that will be used in case * ->get_status() is not populated by the spinand device. */ @@ -475,6 +486,10 @@ struct spinand_device { bool cont_read_possible; int (*set_cont_read)(struct spinand_device *spinand, bool enable); + + unsigned int read_retries; + int (*set_read_retry)(struct spinand_device *spinand, + unsigned int retry_mode); }; /** |