From f056658bb9c3085d5ec52fbdd45b38d55b899cc9 Mon Sep 17 00:00:00 2001 From: "Zhu, Yi" Date: Fri, 5 Dec 2008 07:58:38 -0800 Subject: iwlwifi: fix time interval misuse in iwl_poll_{direct_}bit The patch fixes the misuse of microsecond with millisecond in the polling mechanism of the iwlwifi driver. The impact of this problem is the unacceptable latency for the whole system (especially during bringing down the wlan interface). Signed-off-by: Zhu Yi Acked-by: Tomas Winkler Signed-off-by: Reinette Chatre Signed-off-by: John W. Linville --- drivers/net/wireless/iwlwifi/iwl-3945-io.h | 4 ++-- drivers/net/wireless/iwlwifi/iwl-io.h | 4 ++-- drivers/net/wireless/iwlwifi/iwl-tx.c | 2 +- 3 files changed, 5 insertions(+), 5 deletions(-) (limited to 'drivers') diff --git a/drivers/net/wireless/iwlwifi/iwl-3945-io.h b/drivers/net/wireless/iwlwifi/iwl-3945-io.h index 7dea1552a90..2f749432e4b 100644 --- a/drivers/net/wireless/iwlwifi/iwl-3945-io.h +++ b/drivers/net/wireless/iwlwifi/iwl-3945-io.h @@ -93,7 +93,7 @@ static inline int _iwl3945_poll_bit(struct iwl3945_priv *priv, u32 addr, do { if ((_iwl3945_read32(priv, addr) & mask) == (bits & mask)) return i; - mdelay(10); + udelay(10); i += 10; } while (i < timeout); @@ -276,7 +276,7 @@ static inline int _iwl3945_poll_direct_bit(struct iwl3945_priv *priv, do { if ((_iwl3945_read_direct32(priv, addr) & mask) == mask) return i; - mdelay(10); + udelay(10); i += 10; } while (i < timeout); diff --git a/drivers/net/wireless/iwlwifi/iwl-io.h b/drivers/net/wireless/iwlwifi/iwl-io.h index bc10435d96e..a5c489af937 100644 --- a/drivers/net/wireless/iwlwifi/iwl-io.h +++ b/drivers/net/wireless/iwlwifi/iwl-io.h @@ -95,7 +95,7 @@ static inline int _iwl_poll_bit(struct iwl_priv *priv, u32 addr, do { if ((_iwl_read32(priv, addr) & mask) == (bits & mask)) return i; - mdelay(10); + udelay(10); i += 10; } while (i < timeout); @@ -277,7 +277,7 @@ static inline int _iwl_poll_direct_bit(struct iwl_priv *priv, do { if ((_iwl_read_direct32(priv, addr) & mask) == mask) return i; - mdelay(10); + udelay(10); i += 10; } while (i < timeout); diff --git a/drivers/net/wireless/iwlwifi/iwl-tx.c b/drivers/net/wireless/iwlwifi/iwl-tx.c index 18d6cf67d9b..9d7e45f6a53 100644 --- a/drivers/net/wireless/iwlwifi/iwl-tx.c +++ b/drivers/net/wireless/iwlwifi/iwl-tx.c @@ -628,7 +628,7 @@ void iwl_txq_ctx_stop(struct iwl_priv *priv) iwl_write_direct32(priv, FH_TCSR_CHNL_TX_CONFIG_REG(ch), 0x0); iwl_poll_direct_bit(priv, FH_TSSR_TX_STATUS_REG, FH_TSSR_TX_STATUS_REG_MSK_CHNL_IDLE(ch), - 200); + 1000); } iwl_release_nic_access(priv); spin_unlock_irqrestore(&priv->lock, flags); -- cgit v1.2.3