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Diffstat (limited to 'drivers/net/wireless/iwlwifi/iwl-helpers.h')
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-helpers.h23
1 files changed, 23 insertions, 0 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-helpers.h b/drivers/net/wireless/iwlwifi/iwl-helpers.h
index e2a8d95ad9c..cd2eb184831 100644
--- a/drivers/net/wireless/iwlwifi/iwl-helpers.h
+++ b/drivers/net/wireless/iwlwifi/iwl-helpers.h
@@ -252,4 +252,27 @@ static inline unsigned long elapsed_jiffies(unsigned long start,
return end + (MAX_JIFFY_OFFSET - start);
}
+static inline u8 iwl_get_dma_hi_address(dma_addr_t addr)
+{
+ return sizeof(addr) > sizeof(u32) ? (addr >> 16) >> 16 : 0;
+}
+
+/* TODO: Move fw_desc functions to iwl-pci.ko */
+static inline void iwl_free_fw_desc(struct pci_dev *pci_dev,
+ struct fw_desc *desc)
+{
+ if (desc->v_addr)
+ pci_free_consistent(pci_dev, desc->len,
+ desc->v_addr, desc->p_addr);
+ desc->v_addr = NULL;
+ desc->len = 0;
+}
+
+static inline int iwl_alloc_fw_desc(struct pci_dev *pci_dev,
+ struct fw_desc *desc)
+{
+ desc->v_addr = pci_alloc_consistent(pci_dev, desc->len, &desc->p_addr);
+ return (desc->v_addr != NULL) ? 0 : -ENOMEM;
+}
+
#endif /* __iwl_helpers_h__ */