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scsi: bootstage: Measure time taken to scan the bus

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On some hardware this time can be significant. Add bootstage support for
measuring this. The result can be obtained using 'bootstage report' or
passed on to the Linux via the device tree.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
This commit is contained in:
Simon Glass
2015-01-27 22:13:44 -07:00
parent 5093badbb5
commit abbdb26257
2 changed files with 3 additions and 0 deletions
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include/bootstage.h
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@ -194,6 +194,7 @@ enum bootstage_id {
BOOTSTAGE_ID_MAIN_CPU_READY,
BOOTSTAGE_ID_ACCUM_LCD,
BOOTSTAGE_ID_ACCUM_SCSI,
/* a few spare for the user, from here */
BOOTSTAGE_ID_USER,