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| author | Kyungmin Park <kyungmin.park@samsung.com> | 2006-11-16 11:23:48 +0900 |
|---|---|---|
| committer | Kyungmin Park <kyungmin.park@samsung.com> | 2006-11-16 11:23:48 +0900 |
| commit | 2c22120fbd017d78ad2b6825ba573db3ef539bca (patch) | |
| tree | 017c70446ff2a985e138a1352f0bad34f503bddd /include/linux | |
| parent | ff0dab64b4e9ce3a073365342297e76ddaae9697 (diff) | |
| download | kernel_samsung_smdk4412-2c22120fbd017d78ad2b6825ba573db3ef539bca.zip kernel_samsung_smdk4412-2c22120fbd017d78ad2b6825ba573db3ef539bca.tar.gz kernel_samsung_smdk4412-2c22120fbd017d78ad2b6825ba573db3ef539bca.tar.bz2 | |
MTD: OneNAND: interrupt based wait support
We can use the two methods to wait.
1. polling: read interrupt status register
2. interrupt: use kernel ineterrupt mechanism
To use interrupt method, you first connect onenand interrupt pin to your
platform and configure interrupt properly
Signed-off-by: Kyungmin Park <kyungmin.park at samsung.com>
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/mtd/onenand.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/include/linux/mtd/onenand.h b/include/linux/mtd/onenand.h index 6f045b5..df963f1 100644 --- a/include/linux/mtd/onenand.h +++ b/include/linux/mtd/onenand.h @@ -13,6 +13,7 @@ #define __LINUX_MTD_ONENAND_H #include <linux/spinlock.h> +#include <linux/completion.h> #include <linux/mtd/onenand_regs.h> #include <linux/mtd/bbm.h> @@ -120,6 +121,9 @@ struct onenand_chip { int (*block_markbad)(struct mtd_info *mtd, loff_t ofs); int (*scan_bbt)(struct mtd_info *mtd); + struct completion complete; + int irq; + spinlock_t chip_lock; wait_queue_head_t wq; onenand_state_t state; |