diff options
| author | Dominik Sliwa <dominik.sliwa@toradex.com> | 2019-05-09 17:20:01 +0200 |
|---|---|---|
| committer | Dominik Sliwa <dominik.sliwa@toradex.com> | 2019-05-09 17:20:01 +0200 |
| commit | cf2620f8c3bbbcc7ad33452e685cafd727997866 (patch) | |
| tree | 9a30b5ddc3c37f88d0c845e42955c2f7291f5e6b /drivers/net/wireless/intel/iwlwifi/pcie/rx.c | |
| parent | 04b0b4365fea6da59cdf1c8e9b6377c532ccd965 (diff) | |
Backports v4.19.41Colibri-T30_LXDE-Image_2.8b7.-20200610Colibri-T20_LXDE-Image_2.8b7.-20200610Apalis-TK1_Console-Image_3.0b3.118-20191231Apalis-T30_LXDE-Image_2.8b7.-20200610
Backports generated by toradex backports d3921c0fde334dcd67e92cdc955c254525ab62d0
against mainline kernel tag v4.19.41
Signed-off-by: Dominik Sliwa <dominik.sliwa@toradex.com>
Diffstat (limited to 'drivers/net/wireless/intel/iwlwifi/pcie/rx.c')
| -rw-r--r-- | drivers/net/wireless/intel/iwlwifi/pcie/rx.c | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/pcie/rx.c b/drivers/net/wireless/intel/iwlwifi/pcie/rx.c index d4a31e0..b2905f0 100644 --- a/drivers/net/wireless/intel/iwlwifi/pcie/rx.c +++ b/drivers/net/wireless/intel/iwlwifi/pcie/rx.c @@ -502,7 +502,7 @@ static void iwl_pcie_rx_allocator(struct iwl_trans *trans) struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans); struct iwl_rb_allocator *rba = &trans_pcie->rba; struct list_head local_empty; - int pending = atomic_xchg(&rba->req_pending, 0); + int pending = atomic_read(&rba->req_pending); IWL_DEBUG_RX(trans, "Pending allocation requests = %d\n", pending); @@ -557,11 +557,13 @@ static void iwl_pcie_rx_allocator(struct iwl_trans *trans) i++; } + atomic_dec(&rba->req_pending); pending--; + if (!pending) { - pending = atomic_xchg(&rba->req_pending, 0); + pending = atomic_read(&rba->req_pending); IWL_DEBUG_RX(trans, - "Pending allocation requests = %d\n", + "Got more pending allocation requests = %d\n", pending); } @@ -573,12 +575,15 @@ static void iwl_pcie_rx_allocator(struct iwl_trans *trans) spin_unlock(&rba->lock); atomic_inc(&rba->req_ready); + } spin_lock(&rba->lock); /* return unused rbds to the allocator empty list */ list_splice_tail(&local_empty, &rba->rbd_empty); spin_unlock(&rba->lock); + + IWL_DEBUG_RX(trans, "%s, exit.\n", __func__); } /* |