diff options
Diffstat (limited to 'drivers/crypto/intel/qat/qat_common/adf_gen4_pm.c')
| -rw-r--r-- | drivers/crypto/intel/qat/qat_common/adf_gen4_pm.c | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/drivers/crypto/intel/qat/qat_common/adf_gen4_pm.c b/drivers/crypto/intel/qat/qat_common/adf_gen4_pm.c index 7037c0892a8a..34c6cd8e27c0 100644 --- a/drivers/crypto/intel/qat/qat_common/adf_gen4_pm.c +++ b/drivers/crypto/intel/qat/qat_common/adf_gen4_pm.c @@ -23,15 +23,25 @@ struct adf_gen4_pm_data { static int send_host_msg(struct adf_accel_dev *accel_dev) { + char pm_idle_support_cfg[ADF_CFG_MAX_VAL_LEN_IN_BYTES] = {}; void __iomem *pmisc = adf_get_pmisc_base(accel_dev); + bool pm_idle_support; u32 msg; + int ret; msg = ADF_CSR_RD(pmisc, ADF_GEN4_PM_HOST_MSG); if (msg & ADF_GEN4_PM_MSG_PENDING) return -EBUSY; + adf_cfg_get_param_value(accel_dev, ADF_GENERAL_SEC, + ADF_PM_IDLE_SUPPORT, pm_idle_support_cfg); + ret = kstrtobool(pm_idle_support_cfg, &pm_idle_support); + if (ret) + pm_idle_support = true; + /* Send HOST_MSG */ - msg = FIELD_PREP(ADF_GEN4_PM_MSG_PAYLOAD_BIT_MASK, PM_SET_MIN); + msg = FIELD_PREP(ADF_GEN4_PM_MSG_PAYLOAD_BIT_MASK, + pm_idle_support ? PM_SET_MIN : PM_NO_CHANGE); msg |= ADF_GEN4_PM_MSG_PENDING; ADF_CSR_WR(pmisc, ADF_GEN4_PM_HOST_MSG, msg); |