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ath10k: change ce ring cleanup logic

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Make ath10k_pci_init_pipes() effectively only
alter shared target-host data.

The per_transfer_context is a host-only thing.
It is necessary to preserve it's contents for a
more robust ring cleanup.

This is required for future warm reset fixes.

Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
This commit is contained in:
Michal Kazior
2014-10-28 10:32:05 +01:00
committed by Kalle Valo
parent 4eb2e16487
commit 099ac7ce2e
2 changed files with 46 additions and 42 deletions
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6
drivers/net/wireless/ath/ath10k/ce.c
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@@ -835,9 +835,6 @@ static int ath10k_ce_init_src_ring(struct ath10k *ar,
nentries = roundup_pow_of_two(attr->src_nentries);
memset(src_ring->per_transfer_context, 0,
nentries * sizeof(*src_ring->per_transfer_context));
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;
@@ -872,9 +869,6 @@ static int ath10k_ce_init_dest_ring(struct ath10k *ar,
nentries = roundup_pow_of_two(attr->dest_nentries);
memset(dest_ring->per_transfer_context, 0,
nentries * sizeof(*dest_ring->per_transfer_context));
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 =