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Merge "cnss2: Save PCIe GEN speed and width changed from device"

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qctecmdr 2020-06-03 04:18:28 -07:00 • committed by Gerrit - the friendly Code Review server
commit 832413cfd4
1 changed files with 28 additions and 0 deletions
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28
drivers/net/wireless/cnss2/pci.c
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@ -1116,16 +1116,20 @@ static int cnss_pci_set_mhi_state(struct cnss_pci_data *pci_priv,
ret = 0;
break;
case CNSS_MHI_SUSPEND:
mutex_lock(&pci_priv->mhi_ctrl->pm_mutex);
if (pci_priv->drv_connected_last)
ret = mhi_pm_fast_suspend(pci_priv->mhi_ctrl, true);
else
ret = mhi_pm_suspend(pci_priv->mhi_ctrl);
mutex_unlock(&pci_priv->mhi_ctrl->pm_mutex);
break;
case CNSS_MHI_RESUME:
mutex_lock(&pci_priv->mhi_ctrl->pm_mutex);
if (pci_priv->drv_connected_last)
ret = mhi_pm_fast_resume(pci_priv->mhi_ctrl, true);
else
ret = mhi_pm_resume(pci_priv->mhi_ctrl);
mutex_unlock(&pci_priv->mhi_ctrl->pm_mutex);
break;
case CNSS_MHI_TRIGGER_RDDM:
ret = mhi_force_rddm_mode(pci_priv->mhi_ctrl);
@ -4262,6 +4266,29 @@ static int cnss_pci_update_fw_name(struct cnss_pci_data *pci_priv)
return 0;
}
static int cnss_mhi_bw_scale(struct mhi_controller *mhi_ctrl,
struct mhi_link_info *link_info)
{
struct cnss_pci_data *pci_priv = mhi_ctrl->priv_data;
int ret = 0;
ret = msm_pcie_set_link_bandwidth(pci_priv->pci_dev,
link_info->target_link_speed,
link_info->target_link_width);
if (ret)
return ret;
pci_priv->def_link_speed = link_info->target_link_speed;
pci_priv->def_link_width = link_info->target_link_width;
cnss_pr_dbg("Setting link speed:0x%x, width:0x%x\n",
link_info->target_link_speed,
link_info->target_link_width);
return 0;
}
static int cnss_pci_register_mhi(struct cnss_pci_data *pci_priv)
{
int ret = 0;
@ -4310,6 +4337,7 @@ static int cnss_pci_register_mhi(struct cnss_pci_data *pci_priv)
mhi_ctrl->status_cb = cnss_mhi_notify_status;
mhi_ctrl->runtime_get = cnss_mhi_pm_runtime_get;
mhi_ctrl->runtime_put = cnss_mhi_pm_runtime_put_noidle;
mhi_ctrl->bw_scale = cnss_mhi_bw_scale;
mhi_ctrl->rddm_size = pci_priv->plat_priv->ramdump_info_v2.ramdump_size;
mhi_ctrl->sbl_size = SZ_512K;