diff options
Diffstat (limited to 'drivers/net/wireless/ath/ath11k/ahb.c')
-rw-r--r-- | drivers/net/wireless/ath/ath11k/ahb.c | 57 |
1 files changed, 38 insertions, 19 deletions
diff --git a/drivers/net/wireless/ath/ath11k/ahb.c b/drivers/net/wireless/ath/ath11k/ahb.c index ca0f17ddebba..e3ff4786c714 100644 --- a/drivers/net/wireless/ath/ath11k/ahb.c +++ b/drivers/net/wireless/ath/ath11k/ahb.c @@ -954,6 +954,36 @@ static int ath11k_ahb_setup_msa_resources(struct ath11k_base *ab) return 0; } +static int ath11k_ahb_ce_remap(struct ath11k_base *ab) +{ + const struct ce_remap *ce_remap = ab->hw_params.ce_remap; + struct platform_device *pdev = ab->pdev; + + if (!ce_remap) { + /* no separate CE register space */ + ab->mem_ce = ab->mem; + return 0; + } + + /* ce register space is moved out of wcss unlike ipq8074 or ipq6018 + * and the space is not contiguous, hence remapping the CE registers + * to a new space for accessing them. + */ + ab->mem_ce = ioremap(ce_remap->base, ce_remap->size); + if (!ab->mem_ce) { + dev_err(&pdev->dev, "ce ioremap error\n"); + return -ENOMEM; + } + + return 0; +} + +static void ath11k_ahb_ce_unmap(struct ath11k_base *ab) +{ + if (ab->hw_params.ce_remap) + iounmap(ab->mem_ce); +} + static int ath11k_ahb_fw_resources_init(struct ath11k_base *ab) { struct ath11k_ahb *ab_ahb = ath11k_ahb_priv(ab); @@ -1146,25 +1176,13 @@ static int ath11k_ahb_probe(struct platform_device *pdev) if (ret) goto err_core_free; - ab->mem_ce = ab->mem; - - if (ab->hw_params.ce_remap) { - const struct ce_remap *ce_remap = ab->hw_params.ce_remap; - /* ce register space is moved out of wcss unlike ipq8074 or ipq6018 - * and the space is not contiguous, hence remapping the CE registers - * to a new space for accessing them. - */ - ab->mem_ce = ioremap(ce_remap->base, ce_remap->size); - if (!ab->mem_ce) { - dev_err(&pdev->dev, "ce ioremap error\n"); - ret = -ENOMEM; - goto err_core_free; - } - } + ret = ath11k_ahb_ce_remap(ab); + if (ret) + goto err_core_free; ret = ath11k_ahb_fw_resources_init(ab); if (ret) - goto err_core_free; + goto err_ce_unmap; ret = ath11k_ahb_setup_smp2p_handle(ab); if (ret) @@ -1216,6 +1234,9 @@ err_release_smp2p_handle: err_fw_deinit: ath11k_ahb_fw_resource_deinit(ab); +err_ce_unmap: + ath11k_ahb_ce_unmap(ab); + err_core_free: ath11k_core_free(ab); platform_set_drvdata(pdev, NULL); @@ -1248,9 +1269,7 @@ static void ath11k_ahb_free_resources(struct ath11k_base *ab) ath11k_ahb_release_smp2p_handle(ab); ath11k_ahb_fw_resource_deinit(ab); ath11k_ce_free_pipes(ab); - - if (ab->hw_params.ce_remap) - iounmap(ab->mem_ce); + ath11k_ahb_ce_unmap(ab); ath11k_core_free(ab); platform_set_drvdata(pdev, NULL); |