diff options
Diffstat (limited to 'include/linux/mtd/hyperbus.h')
| -rw-r--r-- | include/linux/mtd/hyperbus.h | 17 |
1 files changed, 14 insertions, 3 deletions
diff --git a/include/linux/mtd/hyperbus.h b/include/linux/mtd/hyperbus.h index 2129f7d3b6eb..bb6b7121a542 100644 --- a/include/linux/mtd/hyperbus.h +++ b/include/linux/mtd/hyperbus.h @@ -8,6 +8,17 @@ #include <linux/mtd/map.h> +/* HyperBus command bits */ +#define HYPERBUS_RW 0x80 /* R/W# */ +#define HYPERBUS_RW_WRITE 0 +#define HYPERBUS_RW_READ 0x80 +#define HYPERBUS_AS 0x40 /* Address Space */ +#define HYPERBUS_AS_MEM 0 +#define HYPERBUS_AS_REG 0x40 +#define HYPERBUS_BT 0x20 /* Burst Type */ +#define HYPERBUS_BT_WRAPPED 0 +#define HYPERBUS_BT_LINEAR 0x20 + enum hyperbus_memtype { HYPERFLASH, HYPERRAM, @@ -20,6 +31,7 @@ enum hyperbus_memtype { * @mtd: pointer to MTD struct * @ctlr: pointer to HyperBus controller struct * @memtype: type of memory device: HyperFlash or HyperRAM + * @priv: pointer to controller specific per device private data */ struct hyperbus_device { @@ -28,6 +40,7 @@ struct hyperbus_device { struct mtd_info *mtd; struct hyperbus_ctlr *ctlr; enum hyperbus_memtype memtype; + void *priv; }; /** @@ -76,9 +89,7 @@ int hyperbus_register_device(struct hyperbus_device *hbdev); /** * hyperbus_unregister_device - deregister HyperBus slave memory device * @hbdev: hyperbus_device to be unregistered - * - * Return: 0 for success, others for failure. */ -int hyperbus_unregister_device(struct hyperbus_device *hbdev); +void hyperbus_unregister_device(struct hyperbus_device *hbdev); #endif /* __LINUX_MTD_HYPERBUS_H__ */ |