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| author | John W. Linville <linville@tuxdriver.com> | 2012-04-12 19:49:28 +0200 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2012-04-12 19:49:28 +0200 |
| commit | 8065248069097dddf9945acfb2081025e9618c16 (patch) | |
| tree | eddf3fb0372ba0f65c01382d386942ea8d18932d /drivers/mtd/devices/docg3.h | |
| parent | rt2x00: do not generate seqno in h/w if QOS is disabled (diff) | |
| parent | NFC: Fix the LLCP Tx fragmentation loop (diff) | |
| download | linux-8065248069097dddf9945acfb2081025e9618c16.tar.xz linux-8065248069097dddf9945acfb2081025e9618c16.zip | |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless
Diffstat (limited to 'drivers/mtd/devices/docg3.h')
| -rw-r--r-- | drivers/mtd/devices/docg3.h | 20 |
1 files changed, 18 insertions, 2 deletions
diff --git a/drivers/mtd/devices/docg3.h b/drivers/mtd/devices/docg3.h index db0da436b493..19fb93f96a3a 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 +269,23 @@ #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 + * @lock: lock to protect docg3 IO space from concurrent accesses + */ +struct docg3_cascade { + struct mtd_info *floors[DOC_MAX_NBFLOORS]; + void __iomem *base; + struct bch_control *bch; + struct mutex lock; +}; + +/** * 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 +303,7 @@ */ 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; |