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Add "shutdown" to "struct class".

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The TPM class has some common shutdown code that must be executed for
all drivers. This adds some needed functionality for that.

Signed-off-by: Josh Zimmerman <[email protected]>
Acked-by: Greg Kroah-Hartman <[email protected]>
Cc: [email protected]
Fixes: 74d6b3ceaa ("tpm: fix suspend/resume paths for TPM 2.0")
Reviewed-by: Jarkko Sakkinen <[email protected]>
Tested-by: Jarkko Sakkinen <[email protected]>
Signed-off-by: Jarkko Sakkinen <[email protected]>
Signed-off-by: James Morris <[email protected]>
This commit is contained in:
Josh Zimmerman 2017-06-25 14:53:23 -07:00 • committed by James Morris
commit f77af15165
2 changed files with 7 additions and 1 deletions
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6
drivers/base/core.c
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@ -2664,7 +2664,11 @@ void device_shutdown(void)
pm_runtime_get_noresume(dev);
pm_runtime_barrier(dev);
if (dev->bus && dev->bus->shutdown) {
if (dev->class && dev->class->shutdown) {
if (initcall_debug)
dev_info(dev, "shutdown\n");
dev->class->shutdown(dev);
} else if (dev->bus && dev->bus->shutdown) {
if (initcall_debug)
dev_info(dev, "shutdown\n");
dev->bus->shutdown(dev);