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path: root/drivers/net/wireless/iwlwifi/iwl-io.c
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Diffstat (limited to 'drivers/net/wireless/iwlwifi/iwl-io.c')
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-io.c21
1 files changed, 17 insertions, 4 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-io.c b/drivers/net/wireless/iwlwifi/iwl-io.c
index 3ffa8e62b856..d57ea6484bbe 100644
--- a/drivers/net/wireless/iwlwifi/iwl-io.c
+++ b/drivers/net/wireless/iwlwifi/iwl-io.c
@@ -143,7 +143,7 @@ u32 iwl_read_direct32(struct iwl_bus *bus, u32 reg)
spin_lock_irqsave(&bus->reg_lock, flags);
iwl_grab_nic_access(bus);
- value = iwl_read32(bus(bus), reg);
+ value = iwl_read32(bus, reg);
iwl_release_nic_access(bus);
spin_unlock_irqrestore(&bus->reg_lock, flags);
@@ -283,16 +283,29 @@ u32 iwl_read_targ_mem(struct iwl_bus *bus, u32 addr)
return value;
}
-void iwl_write_targ_mem(struct iwl_bus *bus, u32 addr, u32 val)
+int _iwl_write_targ_mem_words(struct iwl_bus *bus, u32 addr,
+ void *buf, int words)
{
unsigned long flags;
+ int offs, result = 0;
+ u32 *vals = buf;
spin_lock_irqsave(&bus->reg_lock, flags);
if (!iwl_grab_nic_access(bus)) {
iwl_write32(bus, HBUS_TARG_MEM_WADDR, addr);
wmb();
- iwl_write32(bus, HBUS_TARG_MEM_WDAT, val);
+
+ for (offs = 0; offs < words; offs++)
+ iwl_write32(bus, HBUS_TARG_MEM_WDAT, vals[offs]);
iwl_release_nic_access(bus);
- }
+ } else
+ result = -EBUSY;
spin_unlock_irqrestore(&bus->reg_lock, flags);
+
+ return result;
+}
+
+int iwl_write_targ_mem(struct iwl_bus *bus, u32 addr, u32 val)
+{
+ return _iwl_write_targ_mem_words(bus, addr, &val, 1);
}