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ath10k: simplify ath10k_ce_init() wake up handling 

ath10k_ce_init() and the functions it calls wakeup
the chip multiple times. Simplify that to call
ath10k_pci_wake() only once. This also makes it
easier to add error handling when wakeup fails.

Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
This commit is contained in:
Kalle Valo 2013-09-01 10:02:15 +03:00
parent 3aebe54b1c
commit e9780367b0
1 changed files with 5 additions and 9 deletions
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14
drivers/net/wireless/ath/ath10k/ce.c
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@ -946,7 +946,6 @@ static int ath10k_ce_init_src_ring(struct ath10k *ar,
src_ring->nentries = nentries;
src_ring->nentries_mask = nentries - 1;
ath10k_pci_wake(ar);
src_ring->sw_index = ath10k_ce_src_ring_read_index_get(ar, ctrl_addr);
src_ring->sw_index &= src_ring->nentries_mask;
src_ring->hw_index = src_ring->sw_index;
@ -954,7 +953,6 @@ static int ath10k_ce_init_src_ring(struct ath10k *ar,
src_ring->write_index =
ath10k_ce_src_ring_write_index_get(ar, ctrl_addr);
src_ring->write_index &= src_ring->nentries_mask;
ath10k_pci_sleep(ar);
src_ring->per_transfer_context = (void **)ptr;
@ -1004,7 +1002,6 @@ static int ath10k_ce_init_src_ring(struct ath10k *ar,
src_ring->shadow_base_unaligned,
CE_DESC_RING_ALIGN);
ath10k_pci_wake(ar);
ath10k_ce_src_ring_base_addr_set(ar, ctrl_addr,
src_ring->base_addr_ce_space);
ath10k_ce_src_ring_size_set(ar, ctrl_addr, nentries);
@ -1012,7 +1009,6 @@ static int ath10k_ce_init_src_ring(struct ath10k *ar,
ath10k_ce_src_ring_byte_swap_set(ar, ctrl_addr, 0);
ath10k_ce_src_ring_lowmark_set(ar, ctrl_addr, 0);
ath10k_ce_src_ring_highmark_set(ar, ctrl_addr, nentries);
ath10k_pci_sleep(ar);
return 0;
}
@ -1049,13 +1045,11 @@ static int ath10k_ce_init_dest_ring(struct ath10k *ar,
dest_ring->nentries = nentries;
dest_ring->nentries_mask = nentries - 1;
ath10k_pci_wake(ar);
dest_ring->sw_index = ath10k_ce_dest_ring_read_index_get(ar, ctrl_addr);
dest_ring->sw_index &= dest_ring->nentries_mask;
dest_ring->write_index =
ath10k_ce_dest_ring_write_index_get(ar, ctrl_addr);
dest_ring->write_index &= dest_ring->nentries_mask;
ath10k_pci_sleep(ar);
dest_ring->per_transfer_context = (void **)ptr;
@ -1090,14 +1084,12 @@ static int ath10k_ce_init_dest_ring(struct ath10k *ar,
dest_ring->base_addr_ce_space_unaligned,
CE_DESC_RING_ALIGN);
ath10k_pci_wake(ar);
ath10k_ce_dest_ring_base_addr_set(ar, ctrl_addr,
dest_ring->base_addr_ce_space);
ath10k_ce_dest_ring_size_set(ar, ctrl_addr, nentries);
ath10k_ce_dest_ring_byte_swap_set(ar, ctrl_addr, 0);
ath10k_ce_dest_ring_lowmark_set(ar, ctrl_addr, 0);
ath10k_ce_dest_ring_highmark_set(ar, ctrl_addr, nentries);
ath10k_pci_sleep(ar);
return 0;
}
@ -1138,6 +1130,10 @@ struct ath10k_ce_pipe *ath10k_ce_init(struct ath10k *ar,
u32 ctrl_addr = ath10k_ce_base_address(ce_id);
int ret;
ret = ath10k_pci_wake(ar);
if (ret)
return NULL;
ce_state = ath10k_ce_init_state(ar, ce_id, attr);
if (!ce_state) {
ath10k_err("Failed to initialize CE state for ID: %d\n", ce_id);
@ -1165,8 +1161,8 @@ struct ath10k_ce_pipe *ath10k_ce_init(struct ath10k *ar,
}
/* Enable CE error interrupts */
ath10k_pci_wake(ar);
ath10k_ce_error_intr_enable(ar, ctrl_addr);
ath10k_pci_sleep(ar);
return ce_state;