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[MTD] physmap: Fix suspend/resume/shutdown bugs.

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Don't call suspend/resume functions if they have not been
defined.

Signed-off-by: Robert Jarzmik <rjarzmik@free.fr>
Acked-By: Jörn Engel <joern@logfs.org>
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:
Robert Jarzmik 2008-07-22 09:39:00 +02:00 committed by David Woodhouse
parent 998453fbf2
commit 7b24919115
1 changed files with 7 additions and 4 deletions
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11
drivers/mtd/maps/physmap.c
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@ -201,7 +201,8 @@ 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++)
ret |= info->mtd[i]->suspend(info->mtd[i]);
if (info->mtd[i]->suspend)
ret |= info->mtd[i]->suspend(info->mtd[i]);
return ret;
}
@ -212,7 +213,8 @@ static int physmap_flash_resume(struct platform_device *dev)
int i;
for (i = 0; i < MAX_RESOURCES && info->mtd[i]; i++)
info->mtd[i]->resume(info->mtd[i]);
if (info->mtd[i]->resume)
info->mtd[i]->resume(info->mtd[i]);
return 0;
}
@ -223,8 +225,9 @@ static void physmap_flash_shutdown(struct platform_device *dev)
int i;
for (i = 0; i < MAX_RESOURCES && info->mtd[i]; i++)
if (info->mtd[i]->suspend(info->mtd[i]) == 0)
info->mtd[i]->resume(info->mtd[i]);
if (info->mtd[i]->suspend && info->mtd[i]->resume)
if (info->mtd[i]->suspend(info->mtd[i]) == 0)
info->mtd[i]->resume(info->mtd[i]);
}
#else
#define physmap_flash_suspend NULL