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board_f: Drop the timer after relocation

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Once U-Boot relocates itself the existing driver-model timer (if any) is
no-longer valid until the device is reinitialised. Any use of the device
may cause a crash. To handle this, set the timer to NULL after relocation.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
This commit is contained in:
Simon Glass 2017-09-05 19:49:45 -06:00 committed by Bin Meng
parent eb45787b39
commit 5ee94b4f40
1 changed files with 3 additions and 0 deletions
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3
common/board_f.c
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@ -952,6 +952,9 @@ void board_init_f_r(void)
* UART if available.
*/
gd->flags &= ~GD_FLG_SERIAL_READY;
#ifdef CONFIG_TIMER
gd->timer = NULL;
#endif
/*
* U-Boot has been copied into SDRAM, the BSS has been cleared etc.