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path: root/drivers/net/wireless/iwlwifi/iwl-3945-io.h
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Diffstat (limited to 'drivers/net/wireless/iwlwifi/iwl-3945-io.h')
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-3945-io.h24
1 files changed, 10 insertions, 14 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-3945-io.h b/drivers/net/wireless/iwlwifi/iwl-3945-io.h
index b3fe48de3ae..2440fd664dd 100644
--- a/drivers/net/wireless/iwlwifi/iwl-3945-io.h
+++ b/drivers/net/wireless/iwlwifi/iwl-3945-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
*
*****************************************************************************/
@@ -53,7 +53,7 @@
* _iwl3945_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.
*
@@ -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);
@@ -107,7 +107,7 @@ static inline int __iwl3945_poll_bit(const char *f, u32 l,
int ret = _iwl3945_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 iwl3945_poll_bit(priv, addr, bits, mask, timeout) \
@@ -271,16 +271,7 @@ static inline void iwl3945_write_reg_buf(struct iwl3945_priv *priv,
static inline int _iwl3945_poll_direct_bit(struct iwl3945_priv *priv,
u32 addr, u32 mask, int timeout)
{
- int i = 0;
-
- do {
- if ((_iwl3945_read_direct32(priv, addr) & mask) == mask)
- return i;
- mdelay(10);
- i += 10;
- } while (i < timeout);
-
- return -ETIMEDOUT;
+ return _iwl3945_poll_bit(priv, addr, mask, mask, timeout);
}
#ifdef CONFIG_IWL3945_DEBUG
@@ -307,6 +298,7 @@ static inline int __iwl3945_poll_direct_bit(const char *f, u32 l,
static inline u32 _iwl3945_read_prph(struct iwl3945_priv *priv, u32 reg)
{
_iwl3945_write_direct32(priv, HBUS_TARG_PRPH_RADDR, reg | (3 << 24));
+ rmb();
return _iwl3945_read_direct32(priv, HBUS_TARG_PRPH_RDAT);
}
#ifdef CONFIG_IWL3945_DEBUG
@@ -328,6 +320,7 @@ static inline void _iwl3945_write_prph(struct iwl3945_priv *priv,
{
_iwl3945_write_direct32(priv, HBUS_TARG_PRPH_WADDR,
((addr & 0x0000FFFF) | (3 << 24)));
+ wmb();
_iwl3945_write_direct32(priv, HBUS_TARG_PRPH_WDAT, val);
}
#ifdef CONFIG_IWL3945_DEBUG
@@ -389,12 +382,14 @@ static inline void iwl3945_clear_bits_prph(struct iwl3945_priv
static inline u32 iwl3945_read_targ_mem(struct iwl3945_priv *priv, u32 addr)
{
iwl3945_write_direct32(priv, HBUS_TARG_MEM_RADDR, addr);
+ rmb();
return iwl3945_read_direct32(priv, HBUS_TARG_MEM_RDAT);
}
static inline void iwl3945_write_targ_mem(struct iwl3945_priv *priv, u32 addr, u32 val)
{
iwl3945_write_direct32(priv, HBUS_TARG_MEM_WADDR, addr);
+ wmb();
iwl3945_write_direct32(priv, HBUS_TARG_MEM_WDAT, val);
}
@@ -402,6 +397,7 @@ static inline void iwl3945_write_targ_mem_buf(struct iwl3945_priv *priv, u32 add
u32 len, u32 *values)
{
iwl3945_write_direct32(priv, HBUS_TARG_MEM_WADDR, addr);
+ wmb();
for (; 0 < len; len -= sizeof(u32), values++)
iwl3945_write_direct32(priv, HBUS_TARG_MEM_WDAT, *values);
}