diff options
Diffstat (limited to 'drivers/net/wireless/iwlwifi/iwl-io.h')
| -rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-io.h | 28 |
1 files changed, 12 insertions, 16 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-io.h b/drivers/net/wireless/iwlwifi/iwl-io.h index 9740fcc1805e..998ac1971696 100644 --- a/drivers/net/wireless/iwlwifi/iwl-io.h +++ b/drivers/net/wireless/iwlwifi/iwl-io.h @@ -21,7 +21,7 @@ * file called LICENSE. * * Contact Information: - * James P. Ketrenos <ipw2100-admin@linux.intel.com> + * Intel Linux Wireless <ilw@linux.intel.com> * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 * *****************************************************************************/ @@ -55,7 +55,7 @@ * _iwl_read32.) * * These declarations are *extremely* useful in quickly isolating code deltas - * which result in misconfiguring of the hardware I/O. In combination with + * which result in misconfiguration of the hardware I/O. In combination with * git-bisect and the IO debug level you can quickly determine the specific * commit which breaks the IO sequence to the hardware. * @@ -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); @@ -109,7 +109,7 @@ static inline int __iwl_poll_bit(const char *f, u32 l, int ret = _iwl_poll_bit(priv, addr, bits, mask, timeout); IWL_DEBUG_IO("poll_bit(0x%08X, 0x%08X, 0x%08X) - %s- %s %d\n", addr, bits, mask, - unlikely(ret == -ETIMEDOUT)?"timeout":"", f, l); + unlikely(ret == -ETIMEDOUT) ? "timeout" : "", f, l); return ret; } #define iwl_poll_bit(priv, addr, bits, mask, timeout) \ @@ -269,19 +269,10 @@ static inline void iwl_write_reg_buf(struct iwl_priv *priv, } } -static inline int _iwl_poll_direct_bit(struct iwl_priv *priv, - u32 addr, u32 mask, int timeout) +static inline int _iwl_poll_direct_bit(struct iwl_priv *priv, u32 addr, + u32 mask, int timeout) { - int i = 0; - - do { - if ((_iwl_read_direct32(priv, addr) & mask) == mask) - return i; - mdelay(10); - i += 10; - } while (i < timeout); - - return -ETIMEDOUT; + return _iwl_poll_bit(priv, addr, mask, mask, timeout); } #ifdef CONFIG_IWLWIFI_DEBUG @@ -308,6 +299,7 @@ static inline int __iwl_poll_direct_bit(const char *f, u32 l, static inline u32 _iwl_read_prph(struct iwl_priv *priv, u32 reg) { _iwl_write_direct32(priv, HBUS_TARG_PRPH_RADDR, reg | (3 << 24)); + rmb(); return _iwl_read_direct32(priv, HBUS_TARG_PRPH_RDAT); } #ifdef CONFIG_IWLWIFI_DEBUG @@ -330,6 +322,7 @@ static inline void _iwl_write_prph(struct iwl_priv *priv, { _iwl_write_direct32(priv, HBUS_TARG_PRPH_WADDR, ((addr & 0x0000FFFF) | (3 << 24))); + wmb(); _iwl_write_direct32(priv, HBUS_TARG_PRPH_WDAT, val); } #ifdef CONFIG_IWLWIFI_DEBUG @@ -392,12 +385,14 @@ static inline void iwl_clear_bits_prph(struct iwl_priv static inline u32 iwl_read_targ_mem(struct iwl_priv *priv, u32 addr) { iwl_write_direct32(priv, HBUS_TARG_MEM_RADDR, addr); + rmb(); return iwl_read_direct32(priv, HBUS_TARG_MEM_RDAT); } static inline void iwl_write_targ_mem(struct iwl_priv *priv, u32 addr, u32 val) { iwl_write_direct32(priv, HBUS_TARG_MEM_WADDR, addr); + wmb(); iwl_write_direct32(priv, HBUS_TARG_MEM_WDAT, val); } @@ -405,6 +400,7 @@ static inline void iwl_write_targ_mem_buf(struct iwl_priv *priv, u32 addr, u32 len, u32 *values) { iwl_write_direct32(priv, HBUS_TARG_MEM_WADDR, addr); + wmb(); for (; 0 < len; len -= sizeof(u32), values++) iwl_write_direct32(priv, HBUS_TARG_MEM_WDAT, *values); } |