[MTD] [NOR] Fix oops in cfi_amdstd_sync
The files cfi_cmdset_0002.c and cfi_cmdset_0020.c do not initialize their wait queues like is done in cfi_cmdset_0001.c. This causes an oops when the wait queue is accessed. I have copied the code from cfi_cmdset_0001.c that is pertinent to initialization of the wait queue. Signed-off-by: Vijay Sampath <vsampath@gmail.com> Acked-by: Joern Engel <joern@lazybastard.org> Acked-by: Josh Boyer <jwboyer@linux.vnet.ibm.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: David Woodhouse <dwmw2@infradead.org>
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@ -359,6 +359,8 @@ struct mtd_info *cfi_cmdset_0002(struct map_info *map, int primary)
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cfi->chips[i].word_write_time = 1<<cfi->cfiq->WordWriteTimeoutTyp;
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cfi->chips[i].buffer_write_time = 1<<cfi->cfiq->BufWriteTimeoutTyp;
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cfi->chips[i].erase_time = 1<<cfi->cfiq->BlockEraseTimeoutTyp;
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cfi->chips[i].ref_point_counter = 0;
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init_waitqueue_head(&(cfi->chips[i].wq));
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}
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map->fldrv = &cfi_amdstd_chipdrv;
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@ -158,6 +158,8 @@ struct mtd_info *cfi_cmdset_0020(struct map_info *map, int primary)
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cfi->chips[i].word_write_time = 128;
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cfi->chips[i].buffer_write_time = 128;
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cfi->chips[i].erase_time = 1024;
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cfi->chips[i].ref_point_counter = 0;
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init_waitqueue_head(&(cfi->chips[i].wq));
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}
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return cfi_staa_setup(map);
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