mainline inclusion
from mainline-master
commit d7ea5339
category: feature
bugzilla: https://gitee.com/openeuler/kernel/issues/I475PF?from=project-issue
CVE: NA

Reference: https://git.kernel.org/pub/scm/linux/kernel/git/herbert/cryptodev-2.6.git/commit/?id=d7ea53395b723b1a87b9c0afb3301cc33fbe35e6

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Accelerator devices support runtime PM to reduce power consumption.
This patch adds the runtime PM suspend/resume callbacks to the
accelerator devices.
Signed-off-by: NWeili Qian <qianweili@huawei.com>
Signed-off-by: NHerbert Xu <herbert@gondor.apana.org.au>
Reviewed-by: NHao Fang <fanghao11@huawei.com>
Reviewed-by: NMingqiang Ling <lingmingqiang@huawei.com>
Signed-off-by: NZheng Zengkai <zhengzengkai@huawei.com>