iwlwifi-5000: add iwl 5000 shared memory handlers

This patch fills the needed handlers for shared memory for
iwl 5000 family

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

1 files changed, 25 insertions, 0 deletions

diff --git a/drivers/net/wireless/iwlwifi/iwl-5000.c b/drivers/net/wireless/iwlwifi/iwl-5000.c
index 8bccd9056bfb..8e2a6a5749a1 100644
--- a/drivers/net/wireless/iwlwifi/iwl-5000.c
+++ b/drivers/net/wireless/iwlwifi/iwl-5000.c
@@ -291,6 +291,29 @@ static int iwl5000_hw_set_hw_params(struct iwl_priv *priv)
 
         return 0;
 }
+
+static int iwl5000_alloc_shared_mem(struct iwl_priv *priv)
+{
+        priv->shared_virt = pci_alloc_consistent(priv->pci_dev,
+                                        sizeof(struct iwl5000_shared),
+                                        &priv->shared_phys);
+        if (!priv->shared_virt)
+                return -ENOMEM;
+
+        memset(priv->shared_virt, 0, sizeof(struct iwl5000_shared));
+
+        return 0;
+}
+
+static void iwl5000_free_shared_mem(struct iwl_priv *priv)
+{
+        if (priv->shared_virt)
+                pci_free_consistent(priv->pci_dev,
+                                    sizeof(struct iwl5000_shared),
+                                    priv->shared_virt,
+                                    priv->shared_phys);
+}
+
 static struct iwl_hcmd_ops iwl5000_hcmd = {
 };
 
@@ -303,6 +326,8 @@ static struct iwl_hcmd_utils_ops iwl5000_hcmd_utils = {
 
 static struct iwl_lib_ops iwl5000_lib = {
         .set_hw_params = iwl5000_hw_set_hw_params,
+        .alloc_shared_mem = iwl5000_alloc_shared_mem,
+        .free_shared_mem = iwl5000_free_shared_mem,
         .apm_ops = {
                 .init = iwl5000_apm_init,
                 .set_pwr_src = iwl4965_set_pwr_src,