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spi_flash: Reload watchdog after erasing each 32K block

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A single erase host command may erase an arbitrarily large region of
storage, which may lead to our watchdog firing.

BUG=chrome-os-partner:50587
BRANCH=glados
TEST=Manual on glados, flash RW EC / PD FW while plugging + unplugging
zinger. Verify that watchdog doesn't fire.

Signed-off-by: Shawn Nematbakhsh <shawnn@chromium.org>
Change-Id: I90dc85306aec43326c11c794861f68c6e12686e4
Reviewed-on: https://chromium-review.googlesource.com/329987
Commit-Ready: Shawn N <shawnn@chromium.org>
Tested-by: Shawn N <shawnn@chromium.org>
Reviewed-by: Vincent Palatin <vpalatin@chromium.org>
This commit is contained in:
Shawn Nematbakhsh
2016-03-02 14:09:11 -08:00
committed by chrome-bot
parent faa870945e
commit 2843987640
1 changed files with 5 additions and 0 deletions
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5
common/spi_flash.c
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@@ -230,6 +230,11 @@ int spi_flash_erase(unsigned int offset, unsigned int bytes)
bytes -= 32 * 1024;
offset += 32 * 1024;
/*
* Refresh watchdog since we may be erasing a large
* number of blocks.
*/
watchdog_reload();
}
}