iwlwifi: use meaningful vars in _iwl_poll_bit()
Rename vars in _iwl_poll_bit() to better reflect the truth.
Signed-off-by: Wu Fengguang <fengguang.wu@intel.com>
Signed-off-by: Zhu Yi <yi.zhu@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/iwlwifi/iwl-io.h b/drivers/net/wireless/iwlwifi/iwl-io.h
index 998ac19..0a92e74 100644
--- a/drivers/net/wireless/iwlwifi/iwl-io.h
+++ b/drivers/net/wireless/iwlwifi/iwl-io.h
@@ -87,17 +87,18 @@
#define iwl_read32(p, o) _iwl_read32(p, o)
#endif
+#define IWL_POLL_INTERVAL 10 /* microseconds */
static inline int _iwl_poll_bit(struct iwl_priv *priv, u32 addr,
u32 bits, u32 mask, int timeout)
{
- int i = 0;
+ int t = 0;
do {
if ((_iwl_read32(priv, addr) & mask) == (bits & mask))
- return i;
- udelay(10);
- i += 10;
- } while (i < timeout);
+ return t;
+ udelay(IWL_POLL_INTERVAL);
+ t += IWL_POLL_INTERVAL;
+ } while (t < timeout);
return -ETIMEDOUT;
}