This patch protects iwlwifi indirect mmio operations with rmb() and
wmb(). It makes sure CPU reordering won't affect our indirect mmio
access.
Signed-off-by: Zhu Yi <yi.zhu@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
static inline u32 _iwl3945_read_prph(struct iwl3945_priv *priv, u32 reg)
{
_iwl3945_write_direct32(priv, HBUS_TARG_PRPH_RADDR, reg | (3 << 24));
static inline u32 _iwl3945_read_prph(struct iwl3945_priv *priv, u32 reg)
{
_iwl3945_write_direct32(priv, HBUS_TARG_PRPH_RADDR, reg | (3 << 24));
return _iwl3945_read_direct32(priv, HBUS_TARG_PRPH_RDAT);
}
#ifdef CONFIG_IWL3945_DEBUG
return _iwl3945_read_direct32(priv, HBUS_TARG_PRPH_RDAT);
}
#ifdef CONFIG_IWL3945_DEBUG
{
_iwl3945_write_direct32(priv, HBUS_TARG_PRPH_WADDR,
((addr & 0x0000FFFF) | (3 << 24)));
{
_iwl3945_write_direct32(priv, HBUS_TARG_PRPH_WADDR,
((addr & 0x0000FFFF) | (3 << 24)));
_iwl3945_write_direct32(priv, HBUS_TARG_PRPH_WDAT, val);
}
#ifdef CONFIG_IWL3945_DEBUG
_iwl3945_write_direct32(priv, HBUS_TARG_PRPH_WDAT, val);
}
#ifdef CONFIG_IWL3945_DEBUG
static inline u32 iwl3945_read_targ_mem(struct iwl3945_priv *priv, u32 addr)
{
iwl3945_write_direct32(priv, HBUS_TARG_MEM_RADDR, addr);
static inline u32 iwl3945_read_targ_mem(struct iwl3945_priv *priv, u32 addr)
{
iwl3945_write_direct32(priv, HBUS_TARG_MEM_RADDR, addr);
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);
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);
iwl3945_write_direct32(priv, HBUS_TARG_MEM_WDAT, val);
}
iwl3945_write_direct32(priv, HBUS_TARG_MEM_WDAT, val);
}
u32 len, u32 *values)
{
iwl3945_write_direct32(priv, HBUS_TARG_MEM_WADDR, addr);
u32 len, u32 *values)
{
iwl3945_write_direct32(priv, HBUS_TARG_MEM_WADDR, addr);
for (; 0 < len; len -= sizeof(u32), values++)
iwl3945_write_direct32(priv, HBUS_TARG_MEM_WDAT, *values);
}
for (; 0 < len; len -= sizeof(u32), values++)
iwl3945_write_direct32(priv, HBUS_TARG_MEM_WDAT, *values);
}
static inline u32 _iwl_read_prph(struct iwl_priv *priv, u32 reg)
{
_iwl_write_direct32(priv, HBUS_TARG_PRPH_RADDR, reg | (3 << 24));
static inline u32 _iwl_read_prph(struct iwl_priv *priv, u32 reg)
{
_iwl_write_direct32(priv, HBUS_TARG_PRPH_RADDR, reg | (3 << 24));
return _iwl_read_direct32(priv, HBUS_TARG_PRPH_RDAT);
}
#ifdef CONFIG_IWLWIFI_DEBUG
return _iwl_read_direct32(priv, HBUS_TARG_PRPH_RDAT);
}
#ifdef CONFIG_IWLWIFI_DEBUG
{
_iwl_write_direct32(priv, HBUS_TARG_PRPH_WADDR,
((addr & 0x0000FFFF) | (3 << 24)));
{
_iwl_write_direct32(priv, HBUS_TARG_PRPH_WADDR,
((addr & 0x0000FFFF) | (3 << 24)));
_iwl_write_direct32(priv, HBUS_TARG_PRPH_WDAT, val);
}
#ifdef CONFIG_IWLWIFI_DEBUG
_iwl_write_direct32(priv, HBUS_TARG_PRPH_WDAT, val);
}
#ifdef CONFIG_IWLWIFI_DEBUG
static inline u32 iwl_read_targ_mem(struct iwl_priv *priv, u32 addr)
{
iwl_write_direct32(priv, HBUS_TARG_MEM_RADDR, addr);
static inline u32 iwl_read_targ_mem(struct iwl_priv *priv, u32 addr)
{
iwl_write_direct32(priv, HBUS_TARG_MEM_RADDR, addr);
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);
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);
iwl_write_direct32(priv, HBUS_TARG_MEM_WDAT, val);
}
iwl_write_direct32(priv, HBUS_TARG_MEM_WDAT, val);
}
u32 len, u32 *values)
{
iwl_write_direct32(priv, HBUS_TARG_MEM_WADDR, addr);
u32 len, u32 *values)
{
iwl_write_direct32(priv, HBUS_TARG_MEM_WADDR, addr);
for (; 0 < len; len -= sizeof(u32), values++)
iwl_write_direct32(priv, HBUS_TARG_MEM_WDAT, *values);
}
for (; 0 < len; len -= sizeof(u32), values++)
iwl_write_direct32(priv, HBUS_TARG_MEM_WDAT, *values);
}