From 145cc1214a271c72b81a064f4d65c3cf612e941e Mon Sep 17 00:00:00 2001 From: Michal Kazior Date: Fri, 22 Aug 2014 14:23:32 +0200 Subject: [PATCH] ath10k: split ce irq/handler setup It doesn't make much sense to overwrite send_cb and recv_cb callbacks over and over again whenever transport starts. Just make sure to unmask copy engine interrupts when starting. Signed-off-by: Michal Kazior Signed-off-by: Kalle Valo --- drivers/net/wireless/ath/ath10k/ce.c | 36 +++++++++-------------- drivers/net/wireless/ath/ath10k/ce.h | 12 +++----- drivers/net/wireless/ath/ath10k/pci.c | 41 +++------------------------ 3 files changed, 21 insertions(+), 68 deletions(-) diff --git a/drivers/net/wireless/ath/ath10k/ce.c b/drivers/net/wireless/ath/ath10k/ce.c index 5117705f7f3d..8cbc0ab8ad42 100644 --- a/drivers/net/wireless/ath/ath10k/ce.c +++ b/drivers/net/wireless/ath/ath10k/ce.c @@ -769,11 +769,11 @@ void ath10k_ce_per_engine_service_any(struct ath10k *ar) * * Called with ce_lock held. */ -static void ath10k_ce_per_engine_handler_adjust(struct ath10k_ce_pipe *ce_state, - int disable_copy_compl_intr) +static void ath10k_ce_per_engine_handler_adjust(struct ath10k_ce_pipe *ce_state) { u32 ctrl_addr = ce_state->ctrl_addr; struct ath10k *ar = ce_state->ar; + bool disable_copy_compl_intr = ce_state->attr_flags & CE_ATTR_DIS_INTR; if ((!disable_copy_compl_intr) && (ce_state->send_cb || ce_state->recv_cb)) @@ -799,29 +799,13 @@ int ath10k_ce_disable_interrupts(struct ath10k *ar) return 0; } -void ath10k_ce_send_cb_register(struct ath10k_ce_pipe *ce_state, - void (*send_cb)(struct ath10k_ce_pipe *), - int disable_interrupts) +void ath10k_ce_enable_interrupts(struct ath10k *ar) { - struct ath10k *ar = ce_state->ar; - struct ath10k_pci *ar_pci = ath10k_pci_priv(ar); - - spin_lock_bh(&ar_pci->ce_lock); - ce_state->send_cb = send_cb; - ath10k_ce_per_engine_handler_adjust(ce_state, disable_interrupts); - spin_unlock_bh(&ar_pci->ce_lock); -} - -void ath10k_ce_recv_cb_register(struct ath10k_ce_pipe *ce_state, - void (*recv_cb)(struct ath10k_ce_pipe *)) -{ - struct ath10k *ar = ce_state->ar; struct ath10k_pci *ar_pci = ath10k_pci_priv(ar); + int ce_id; - spin_lock_bh(&ar_pci->ce_lock); - ce_state->recv_cb = recv_cb; - ath10k_ce_per_engine_handler_adjust(ce_state, 0); - spin_unlock_bh(&ar_pci->ce_lock); + for (ce_id = 0; ce_id < CE_COUNT; ce_id++) + ath10k_ce_per_engine_handler_adjust(&ar_pci->ce_states[ce_id]); } static int ath10k_ce_init_src_ring(struct ath10k *ar, @@ -1023,7 +1007,9 @@ ath10k_ce_alloc_dest_ring(struct ath10k *ar, unsigned int ce_id, * initialized by software/firmware. */ int ath10k_ce_init_pipe(struct ath10k *ar, unsigned int ce_id, - const struct ce_attr *attr) + const struct ce_attr *attr, + void (*send_cb)(struct ath10k_ce_pipe *), + void (*recv_cb)(struct ath10k_ce_pipe *)) { struct ath10k_pci *ar_pci = ath10k_pci_priv(ar); struct ath10k_ce_pipe *ce_state = &ar_pci->ce_states[ce_id]; @@ -1046,6 +1032,10 @@ int ath10k_ce_init_pipe(struct ath10k *ar, unsigned int ce_id, ce_state->ctrl_addr = ath10k_ce_base_address(ce_id); ce_state->attr_flags = attr->flags; ce_state->src_sz_max = attr->src_sz_max; + if (attr->src_nentries) + ce_state->send_cb = send_cb; + if (attr->dest_nentries) + ce_state->recv_cb = recv_cb; spin_unlock_bh(&ar_pci->ce_lock); if (attr->src_nentries) { diff --git a/drivers/net/wireless/ath/ath10k/ce.h b/drivers/net/wireless/ath/ath10k/ce.h index 7a5a36fc59c1..d48dbb972004 100644 --- a/drivers/net/wireless/ath/ath10k/ce.h +++ b/drivers/net/wireless/ath/ath10k/ce.h @@ -162,10 +162,6 @@ int ath10k_ce_send_nolock(struct ath10k_ce_pipe *ce_state, void __ath10k_ce_send_revert(struct ath10k_ce_pipe *pipe); -void ath10k_ce_send_cb_register(struct ath10k_ce_pipe *ce_state, - void (*send_cb)(struct ath10k_ce_pipe *), - int disable_interrupts); - int ath10k_ce_num_free_src_entries(struct ath10k_ce_pipe *pipe); /*==================Recv=======================*/ @@ -184,9 +180,6 @@ int ath10k_ce_recv_buf_enqueue(struct ath10k_ce_pipe *ce_state, void *per_transfer_recv_context, u32 buffer); -void ath10k_ce_recv_cb_register(struct ath10k_ce_pipe *ce_state, - void (*recv_cb)(struct ath10k_ce_pipe *)); - /* recv flags */ /* Data is byte-swapped */ #define CE_RECV_FLAG_SWAPPED 1 @@ -214,7 +207,9 @@ int ath10k_ce_completed_send_next(struct ath10k_ce_pipe *ce_state, /*==================CE Engine Initialization=======================*/ int ath10k_ce_init_pipe(struct ath10k *ar, unsigned int ce_id, - const struct ce_attr *attr); + const struct ce_attr *attr, + void (*send_cb)(struct ath10k_ce_pipe *), + void (*recv_cb)(struct ath10k_ce_pipe *)); void ath10k_ce_deinit_pipe(struct ath10k *ar, unsigned int ce_id); int ath10k_ce_alloc_pipe(struct ath10k *ar, int ce_id, const struct ce_attr *attr); @@ -245,6 +240,7 @@ int ath10k_ce_cancel_send_next(struct ath10k_ce_pipe *ce_state, void ath10k_ce_per_engine_service_any(struct ath10k *ar); void ath10k_ce_per_engine_service(struct ath10k *ar, unsigned int ce_id); int ath10k_ce_disable_interrupts(struct ath10k *ar); +void ath10k_ce_enable_interrupts(struct ath10k *ar); /* ce_attr.flags values */ /* Use NonSnooping PCIe accesses? */ diff --git a/drivers/net/wireless/ath/ath10k/pci.c b/drivers/net/wireless/ath/ath10k/pci.c index c3b3f620ae69..c764dd713f00 100644 --- a/drivers/net/wireless/ath/ath10k/pci.c +++ b/drivers/net/wireless/ath/ath10k/pci.c @@ -941,37 +941,6 @@ static void ath10k_pci_hif_set_callbacks(struct ath10k *ar, sizeof(ar_pci->msg_callbacks_current)); } -static int ath10k_pci_setup_ce_irq(struct ath10k *ar) -{ - struct ath10k_pci *ar_pci = ath10k_pci_priv(ar); - const struct ce_attr *attr; - struct ath10k_pci_pipe *pipe_info; - int pipe_num, disable_interrupts; - - for (pipe_num = 0; pipe_num < CE_COUNT; pipe_num++) { - pipe_info = &ar_pci->pipe_info[pipe_num]; - - /* Handle Diagnostic CE specially */ - if (pipe_info->ce_hdl == ar_pci->ce_diag) - continue; - - attr = &host_ce_config_wlan[pipe_num]; - - if (attr->src_nentries) { - disable_interrupts = attr->flags & CE_ATTR_DIS_INTR; - ath10k_ce_send_cb_register(pipe_info->ce_hdl, - ath10k_pci_ce_send_done, - disable_interrupts); - } - - if (attr->dest_nentries) - ath10k_ce_recv_cb_register(pipe_info->ce_hdl, - ath10k_pci_ce_recv_data); - } - - return 0; -} - static void ath10k_pci_kill_tasklet(struct ath10k *ar) { struct ath10k_pci *ar_pci = ath10k_pci_priv(ar); @@ -1169,11 +1138,7 @@ static int ath10k_pci_hif_start(struct ath10k *ar) goto err_early_irq; } - ret = ath10k_pci_setup_ce_irq(ar); - if (ret) { - ath10k_warn("failed to setup CE interrupts: %d\n", ret); - goto err_stop; - } + ath10k_ce_enable_interrupts(ar); /* Post buffers once to start things off. */ ret = ath10k_pci_post_rx(ar); @@ -1786,7 +1751,9 @@ static int ath10k_pci_ce_init(struct ath10k *ar) pipe_info->hif_ce_state = ar; attr = &host_ce_config_wlan[pipe_num]; - ret = ath10k_ce_init_pipe(ar, pipe_num, attr); + ret = ath10k_ce_init_pipe(ar, pipe_num, attr, + ath10k_pci_ce_send_done, + ath10k_pci_ce_recv_data); if (ret) { ath10k_err("failed to initialize copy engine pipe %d: %d\n", pipe_num, ret); -- 2.20.1