iwlwifi: handle shared memory Rx index access

This patch splits ucode's and driver's shared memory Rx index access to
match 4965 and 5000 offsets.

Signed-off-by: Ron Rindjunsky <ron.rindjunsky@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 4 insertions, 1 deletions

diff --git a/drivers/net/wireless/iwlwifi/iwl-4965.c b/drivers/net/wireless/iwlwifi/iwl-4965.c
index 866a93e3de91..a475ecea9003 100644
--- a/drivers/net/wireless/iwlwifi/iwl-4965.c
+++ b/drivers/net/wireless/iwlwifi/iwl-4965.c
@@ -2006,7 +2006,7 @@ void iwl4965_hw_build_tx_cmd_rate(struct iwl_priv *priv,
         tx->rate_n_flags = iwl4965_hw_set_rate_n_flags(rate_plcp, rate_flags);
 }
 
-int iwl4965_hw_get_rx_read(struct iwl_priv *priv)
+static int iwl4965_shared_mem_rx_idx(struct iwl_priv *priv)
 {
         struct iwl4965_shared *s = priv->shared_virt;
         return le32_to_cpu(s->rb_closed) & 0xFFF;
@@ -2093,6 +2093,8 @@ static int iwl4965_alloc_shared_mem(struct iwl_priv *priv)
 
         memset(priv->shared_virt, 0, sizeof(struct iwl4965_shared));
 
+        priv->rb_closed_offset = offsetof(struct iwl4965_shared, rb_closed);
+
         return 0;
 }
 
@@ -3824,6 +3826,7 @@ static struct iwl_lib_ops iwl4965_lib = {
         .set_hw_params = iwl4965_hw_set_hw_params,
         .alloc_shared_mem = iwl4965_alloc_shared_mem,
         .free_shared_mem = iwl4965_free_shared_mem,
+        .shared_mem_rx_idx = iwl4965_shared_mem_rx_idx,
         .txq_update_byte_cnt_tbl = iwl4965_txq_update_byte_cnt_tbl,
         .disable_tx_fifo = iwl4965_disable_tx_fifo,
         .rx_handler_setup = iwl4965_rx_handler_setup,