From: Carl Huang Date: Mon, 17 Aug 2020 10:31:52 +0000 (+0300) Subject: ath11k: don't initialize rxdma1 related ring X-Git-Tag: io_uring-5.10-2020-10-20~32^2~309^2~138^2~11 X-Git-Url: https://git.kernel.dk/?a=commitdiff_plain;h=7f6fc1ebf5b19850e6035de16032f7d81dee65d8;p=linux-block.git ath11k: don't initialize rxdma1 related ring For QCA6390, it has 2 lmacs and thus 2 rxdmas. However, each rxdma has rxdma0 only, and doesn't have rxdma1. So for QCA6390, don't initialize rxdma1 related rings such as rx_mon_buf_ring, rx_mon_dst_ring and rx_mon_desc_ring. Tested-on: QCA6390 hw2.0 PCI WLAN.HST.1.0.1-01740-QCAHSTSWPLZ_V2_TO_X86-1 Tested-on: IPQ8074 hw2.0 AHB WLAN.HK.2.1.0.1-01238-QCAHKSWPL_SILICONZ-2 Signed-off-by: Carl Huang Signed-off-by: Kalle Valo Link: https://lore.kernel.org/r/1597555891-26112-3-git-send-email-kvalo@codeaurora.org --- diff --git a/drivers/net/wireless/ath/ath11k/core.c b/drivers/net/wireless/ath/ath11k/core.c index 45d16f7ad461..8e9bf0e64a68 100644 --- a/drivers/net/wireless/ath/ath11k/core.c +++ b/drivers/net/wireless/ath/ath11k/core.c @@ -37,6 +37,7 @@ static const struct ath11k_hw_params ath11k_hw_params[] = { .ce_count = 12, .single_pdev_only = false, .needs_band_to_mac = true, + .rxdma1_enable = true, }, { .name = "qca6390 hw2.0", @@ -56,6 +57,7 @@ static const struct ath11k_hw_params ath11k_hw_params[] = { .ce_count = 9, .single_pdev_only = true, .needs_band_to_mac = false, + .rxdma1_enable = false, }, }; diff --git a/drivers/net/wireless/ath/ath11k/dp_rx.c b/drivers/net/wireless/ath/ath11k/dp_rx.c index 6009c26ce525..64aa0077a45d 100644 --- a/drivers/net/wireless/ath/ath11k/dp_rx.c +++ b/drivers/net/wireless/ath/ath11k/dp_rx.c @@ -375,6 +375,12 @@ static int ath11k_dp_rxdma_buf_ring_free(struct ath11k *ar, idr_destroy(&rx_ring->bufs_idr); spin_unlock_bh(&rx_ring->idr_lock); + /* if rxdma1_enable is false, mon_status_refill_ring + * isn't setup, so don't clean. + */ + if (!ar->ab->hw_params.rxdma1_enable) + return 0; + rx_ring = &dp->rx_mon_status_refill_ring; spin_lock_bh(&rx_ring->idr_lock); @@ -390,6 +396,7 @@ static int ath11k_dp_rxdma_buf_ring_free(struct ath11k *ar, idr_destroy(&rx_ring->bufs_idr); spin_unlock_bh(&rx_ring->idr_lock); + return 0; } @@ -431,8 +438,10 @@ static int ath11k_dp_rxdma_pdev_buf_setup(struct ath11k *ar) ath11k_dp_rxdma_ring_buf_setup(ar, rx_ring, HAL_RXDMA_BUF); - rx_ring = &dp->rxdma_mon_buf_ring; - ath11k_dp_rxdma_ring_buf_setup(ar, rx_ring, HAL_RXDMA_MONITOR_BUF); + if (ar->ab->hw_params.rxdma1_enable) { + rx_ring = &dp->rxdma_mon_buf_ring; + ath11k_dp_rxdma_ring_buf_setup(ar, rx_ring, HAL_RXDMA_MONITOR_BUF); + } rx_ring = &dp->rx_mon_status_refill_ring; ath11k_dp_rxdma_ring_buf_setup(ar, rx_ring, HAL_RXDMA_MONITOR_STATUS); @@ -516,6 +525,14 @@ static int ath11k_dp_rx_pdev_srng_alloc(struct ath11k *ar) "failed to setup rx_mon_status_refill_ring\n"); return ret; } + + /* if rxdma1_enable is false, then it doesn't need + * to setup rxdam_mon_buf_ring, rxdma_mon_dst_ring + * and rxdma_mon_desc_ring. + */ + if (!ar->ab->hw_params.rxdma1_enable) + return 0; + ret = ath11k_dp_srng_setup(ar->ab, &dp->rxdma_mon_buf_ring.refill_buf_ring, HAL_RXDMA_MONITOR_BUF, 0, dp->mac_id, @@ -4129,6 +4146,9 @@ int ath11k_dp_rx_pdev_alloc(struct ath11k_base *ab, int mac_id) return ret; } + if (!ab->hw_params.rxdma1_enable) + goto config_refill_ring; + ring_id = dp->rxdma_mon_buf_ring.refill_buf_ring.ring_id; ret = ath11k_dp_tx_htt_srng_setup(ab, ring_id, mac_id, HAL_RXDMA_MONITOR_BUF); @@ -4153,6 +4173,8 @@ int ath11k_dp_rx_pdev_alloc(struct ath11k_base *ab, int mac_id) ret); return ret; } + +config_refill_ring: ring_id = dp->rx_mon_status_refill_ring.refill_buf_ring.ring_id; ret = ath11k_dp_tx_htt_srng_setup(ab, ring_id, mac_id, HAL_RXDMA_MONITOR_STATUS); @@ -4162,6 +4184,7 @@ int ath11k_dp_rx_pdev_alloc(struct ath11k_base *ab, int mac_id) ret); return ret; } + return 0; } @@ -4834,6 +4857,12 @@ int ath11k_dp_rx_pdev_mon_attach(struct ath11k *ar) return ret; } + /* if rxdma1_enable is false, no need to setup + * rxdma_mon_desc_ring. + */ + if (!ar->ab->hw_params.rxdma1_enable) + return 0; + dp_srng = &dp->rxdma_mon_desc_ring; n_link_desc = dp_srng->size / ath11k_hal_srng_get_entrysize(ar->ab, HAL_RXDMA_MONITOR_DESC); @@ -4850,6 +4879,7 @@ int ath11k_dp_rx_pdev_mon_attach(struct ath11k *ar) pmon->mon_last_linkdesc_paddr = 0; pmon->mon_last_buf_cookie = DP_RX_DESC_COOKIE_MAX + 1; spin_lock_init(&pmon->mon_lock); + return 0; } diff --git a/drivers/net/wireless/ath/ath11k/hw.h b/drivers/net/wireless/ath/ath11k/hw.h index 1c9176273883..2e88194da329 100644 --- a/drivers/net/wireless/ath/ath11k/hw.h +++ b/drivers/net/wireless/ath/ath11k/hw.h @@ -151,6 +151,8 @@ struct ath11k_hw_params { * firmware creates the mapping. */ bool needs_band_to_mac; + + bool rxdma1_enable; }; extern const struct ath11k_hw_ops ipq8074_ops;