iwlagn: enable shadow register
For 6000 series devices and up, enable automatic update MAC's register
for better power usage in PSP mode
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/iwlwifi/iwl-csr.h b/drivers/net/wireless/iwlwifi/iwl-csr.h
index 2aa15ab..b80bf7d 100644
--- a/drivers/net/wireless/iwlwifi/iwl-csr.h
+++ b/drivers/net/wireless/iwlwifi/iwl-csr.h
@@ -132,6 +132,8 @@
#define CSR_LED_REG (CSR_BASE+0x094)
#define CSR_DRAM_INT_TBL_REG (CSR_BASE+0x0A0)
+#define CSR_MAC_SHADOW_REG_CTRL (CSR_BASE+0x0A8) /* 6000 and up */
+
/* GIO Chicken Bits (PCI Express bus link power management) */
#define CSR_GIO_CHICKEN_BITS (CSR_BASE+0x100)