diff options
| -rw-r--r-- | drivers/soc/hisilicon/kunpeng_hccs.c | 24 |
1 files changed, 15 insertions, 9 deletions
diff --git a/drivers/soc/hisilicon/kunpeng_hccs.c b/drivers/soc/hisilicon/kunpeng_hccs.c index 6e88f597f267..6055e5091cbd 100644 --- a/drivers/soc/hisilicon/kunpeng_hccs.c +++ b/drivers/soc/hisilicon/kunpeng_hccs.c @@ -170,15 +170,21 @@ static int hccs_register_pcc_channel(struct hccs_dev *hdev) goto err_mbx_channel_free; } - if (pcc_chan->shmem_base_addr) { - cl_info->pcc_comm_addr = ioremap(pcc_chan->shmem_base_addr, - pcc_chan->shmem_size); - if (!cl_info->pcc_comm_addr) { - dev_err(dev, "Failed to ioremap PCC communication region for channel-%u.\n", - hdev->chan_id); - rc = -ENOMEM; - goto err_mbx_channel_free; - } + if (!pcc_chan->shmem_base_addr || + pcc_chan->shmem_size != HCCS_PCC_SHARE_MEM_BYTES) { + dev_err(dev, "The base address or size (%llu) of PCC communication region is invalid.\n", + pcc_chan->shmem_size); + rc = -EINVAL; + goto err_mbx_channel_free; + } + + cl_info->pcc_comm_addr = ioremap(pcc_chan->shmem_base_addr, + pcc_chan->shmem_size); + if (!cl_info->pcc_comm_addr) { + dev_err(dev, "Failed to ioremap PCC communication region for channel-%u.\n", + hdev->chan_id); + rc = -ENOMEM; + goto err_mbx_channel_free; } return 0; |