diff options
| author | Weili Qian <qianweili@huawei.com> | 2021-08-13 17:50:09 +0800 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2021-08-21 15:44:58 +0800 |
| commit | 3e1d2c52b2045ba7f90966b02daeb6c438432570 (patch) | |
| tree | 6747d3eefbd44fa18533ded47aa6f41e270c67c9 /drivers/crypto | |
| parent | 74f5edbffcd37162084b6883e059bb6bb686151d (diff) | |
| download | linux-3e1d2c52b2045ba7f90966b02daeb6c438432570.tar.bz2 | |
crypto: hisilicon - check _PS0 and _PR0 method
To support runtime PM, use the function 'pci_set_power_state' to change
the power state. Therefore, method _PS0 or _PR0 needs to be filled by
platform. So check whether the method is supported, if not, print a
prompt information.
Signed-off-by: Weili Qian <qianweili@huawei.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'drivers/crypto')
| -rw-r--r-- | drivers/crypto/hisilicon/qm.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/crypto/hisilicon/qm.c b/drivers/crypto/hisilicon/qm.c index e29ff971ad79..369562d34d66 100644 --- a/drivers/crypto/hisilicon/qm.c +++ b/drivers/crypto/hisilicon/qm.c @@ -3282,6 +3282,10 @@ static void hisi_qm_pre_init(struct hisi_qm *qm) init_rwsem(&qm->qps_lock); qm->qp_in_used = 0; qm->misc_ctl = false; + if (qm->fun_type == QM_HW_PF && qm->ver > QM_HW_V2) { + if (!acpi_device_power_manageable(ACPI_COMPANION(&pdev->dev))) + dev_info(&pdev->dev, "_PS0 and _PR0 are not defined"); + } } static void qm_cmd_uninit(struct hisi_qm *qm) |