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[MTD] physmap: resume already suspended chips on failure to suspend

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A nice side effect of this patch is that the return value of
physmap_flash_suspend in the error path is the value of the first failing
suspend callback and not the bitwise OR of all of them.

Signed-off-by: Uwe Kleine-König <Uwe.Kleine-Koenig@digi.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
This commit is contained in:
Uwe Kleine-König 2008-07-22 09:39:01 +02:00 committed by David Woodhouse
parent 7b24919115
commit 4b5e33a7bf
1 changed files with 13 additions and 2 deletions
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15
drivers/mtd/maps/physmap.c
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@ -201,8 +201,19 @@ static int physmap_flash_suspend(struct platform_device *dev, pm_message_t state
int i;
for (i = 0; i < MAX_RESOURCES && info->mtd[i]; i++)
if (info->mtd[i]->suspend)
ret |= info->mtd[i]->suspend(info->mtd[i]);
if (info->mtd[i]->suspend) {
ret = info->mtd[i]->suspend(info->mtd[i]);
if (ret)
goto fail;
}
return 0;
fail:
for (--i; i >= 0; --i)
if (info->mtd[i]->suspend) {
BUG_ON(!info->mtd[i]->resume);
info->mtd[i]->resume(info->mtd[i]);
}
return ret;
}