diff options
author | David S. Miller <davem@davemloft.net> | 2011-05-06 01:09:28 +0400 |
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committer | David S. Miller <davem@davemloft.net> | 2011-05-06 01:09:28 +0400 |
commit | 90864fbc7639d7a2300c67a18c9fb9fbcf7d51d2 (patch) | |
tree | 6951c8d0e529dbfc7c4cec75d4cec63350e39b7c /drivers/net/wireless/iwlwifi/iwl-io.c | |
parent | 228e548e602061b08ee8e8966f567c12aa079682 (diff) | |
parent | a70171dce9cd44cb06c7d299eba9fa87a8933045 (diff) | |
download | linux-90864fbc7639d7a2300c67a18c9fb9fbcf7d51d2.tar.xz |
Merge branch 'for-davem' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next-2.6
Diffstat (limited to 'drivers/net/wireless/iwlwifi/iwl-io.c')
-rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-io.c | 36 |
1 files changed, 28 insertions, 8 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-io.c b/drivers/net/wireless/iwlwifi/iwl-io.c index 51337416e4ca..aa4a90674452 100644 --- a/drivers/net/wireless/iwlwifi/iwl-io.c +++ b/drivers/net/wireless/iwlwifi/iwl-io.c @@ -73,10 +73,9 @@ int iwl_poll_bit(struct iwl_priv *priv, u32 addr, return -ETIMEDOUT; } -int iwl_grab_nic_access(struct iwl_priv *priv) +int iwl_grab_nic_access_silent(struct iwl_priv *priv) { int ret; - u32 val; lockdep_assert_held(&priv->reg_lock); @@ -107,9 +106,6 @@ int iwl_grab_nic_access(struct iwl_priv *priv) (CSR_GP_CNTRL_REG_FLAG_MAC_CLOCK_READY | CSR_GP_CNTRL_REG_FLAG_GOING_TO_SLEEP), 15000); if (ret < 0) { - val = iwl_read32(priv, CSR_GP_CNTRL); - IWL_ERR(priv, - "MAC is in deep sleep!. CSR_GP_CNTRL = 0x%08X\n", val); iwl_write32(priv, CSR_RESET, CSR_RESET_REG_FLAG_FORCE_NMI); return -EIO; } @@ -117,6 +113,18 @@ int iwl_grab_nic_access(struct iwl_priv *priv) return 0; } +int iwl_grab_nic_access(struct iwl_priv *priv) +{ + int ret = iwl_grab_nic_access_silent(priv); + if (ret) { + u32 val = iwl_read32(priv, CSR_GP_CNTRL); + IWL_ERR(priv, + "MAC is in deep sleep!. CSR_GP_CNTRL = 0x%08X\n", val); + } + + return ret; +} + void iwl_release_nic_access(struct iwl_priv *priv) { lockdep_assert_held(&priv->reg_lock); @@ -242,20 +250,32 @@ void iwl_clear_bits_prph(struct iwl_priv *priv, u32 reg, u32 mask) spin_unlock_irqrestore(&priv->reg_lock, flags); } -u32 iwl_read_targ_mem(struct iwl_priv *priv, u32 addr) +void _iwl_read_targ_mem_words(struct iwl_priv *priv, u32 addr, + void *buf, int words) { unsigned long flags; - u32 value; + int offs; + u32 *vals = buf; spin_lock_irqsave(&priv->reg_lock, flags); iwl_grab_nic_access(priv); iwl_write32(priv, HBUS_TARG_MEM_RADDR, addr); rmb(); - value = iwl_read32(priv, HBUS_TARG_MEM_RDAT); + + for (offs = 0; offs < words; offs++) + vals[offs] = iwl_read32(priv, HBUS_TARG_MEM_RDAT); iwl_release_nic_access(priv); spin_unlock_irqrestore(&priv->reg_lock, flags); +} + +u32 iwl_read_targ_mem(struct iwl_priv *priv, u32 addr) +{ + u32 value; + + _iwl_read_targ_mem_words(priv, addr, &value, 1); + return value; } |