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[MTD] [NOR] fix ctrl-alt-del can't reboot for intel flash bug

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When we press ctrl-alt-del,kernel_restart_prepare will invoke 
cfi_intelext_reboot which will set flash to read array mode, but later 
when device_shutdown is invoked which may put current work queue to 
sleep and other process may be scheduled to running and programming 
flash in not FL_READY mode again. So we can't boot up if this flash is 
used for bootloader.

Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: David Woodhouse <dwmw2@infradead.org>
This commit is contained in:
Kevin Hao 2007-10-02 13:56:04 -07:00 • committed by David Woodhouse
parent f96880d1e8
commit c4a9f88daf
2 changed files with 7 additions and 3 deletions
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1
include/linux/mtd/flashchip.h
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@ -40,6 +40,7 @@ typedef enum {
FL_POINT,
FL_XIP_WHILE_ERASING,
FL_XIP_WHILE_WRITING,
FL_SHUTDOWN,
FL_UNKNOWN
} flstate_t;