diff options
| author | Robert Jarzmik <robert.jarzmik@free.fr> | 2012-03-22 21:00:52 +0100 |
|---|---|---|
| committer | David Woodhouse <David.Woodhouse@intel.com> | 2012-03-27 01:03:14 +0100 |
| commit | 1b15a5f93bbd9a6f5346cfa449720a7e32115f86 (patch) | |
| tree | d04e9b90f2fe443cbe3079abf3730cd58bd84a2f /drivers/mtd/devices/docg3.h | |
| parent | a2b3d284ed65b9ada18fd2ffb66daffe9c0ff168 (diff) | |
mtd: docg3 refactor cascade floors structure
Group floors into a common cascade structure. This will provide a common
structure to store common data to all cascaded docg3 chips, like IO
addressing, locking protection.
Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr>
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
Diffstat (limited to 'drivers/mtd/devices/docg3.h')
| -rw-r--r-- | drivers/mtd/devices/docg3.h | 18 |
1 files changed, 16 insertions, 2 deletions
diff --git a/drivers/mtd/devices/docg3.h b/drivers/mtd/devices/docg3.h index db0da436b493..642e60667cfd 100644 --- a/drivers/mtd/devices/docg3.h +++ b/drivers/mtd/devices/docg3.h @@ -22,6 +22,8 @@ #ifndef _MTD_DOCG3_H #define _MTD_DOCG3_H +#include <linux/mtd/mtd.h> + /* * Flash memory areas : * - 0x0000 .. 0x07ff : IPL @@ -267,9 +269,21 @@ #define DOC_LAYOUT_DPS_KEY_LENGTH 8 /** + * struct docg3_cascade - Cascade of 1 to 4 docg3 chips + * @floors: floors (ie. one physical docg3 chip is one floor) + * @base: IO space to access all chips in the cascade + * @bch: the BCH correcting control structure + */ +struct docg3_cascade { + struct mtd_info *floors[DOC_MAX_NBFLOORS]; + void __iomem *base; + struct bch_control *bch; +}; + +/** * struct docg3 - DiskOnChip driver private data * @dev: the device currently under control - * @base: mapped IO space + * @cascade: the cascade this device belongs to * @device_id: number of the cascaded DoCG3 device (0, 1, 2 or 3) * @if_cfg: if true, reads are on 16bits, else reads are on 8bits @@ -287,7 +301,7 @@ */ struct docg3 { struct device *dev; - void __iomem *base; + struct docg3_cascade *cascade; unsigned int device_id:4; unsigned int if_cfg:1; unsigned int reliable:2; |