ath9k_hw: correct AR_PHY_SPECTRAL_SCAN register offset

We had 0x9912 but AR_PHY_SPECTRAL_SCAN is 0x9910. By using the
0x9912 we were making the hardware unresponsive. This allows us
to move forward with hardware reset on ar9271 on the ath9k_htc
driver.

Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

2 files changed, 16 insertions, 3 deletions

diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c
index ea6965134c0..2fbadbee1aa 100644
--- a/drivers/net/wireless/ath/ath9k/hw.c
+++ b/drivers/net/wireless/ath/ath9k/hw.c
@@ -1274,7 +1274,8 @@ static void ath9k_hw_override_ini(struct ath_hw *ah,
                  * AR9271 1.1
                  */
                 if (AR_SREV_9271_10(ah)) {
-                        val = REG_READ(ah, AR_PHY_SPECTRAL_SCAN) | AR_PHY_SPECTRAL_SCAN_ENABLE;
+                        val = REG_READ(ah, AR_PHY_SPECTRAL_SCAN) |
+                              AR_PHY_SPECTRAL_SCAN_ENABLE;
                         REG_WRITE(ah, AR_PHY_SPECTRAL_SCAN, val);
                 }
                 else if (AR_SREV_9271_11(ah))
diff --git a/drivers/net/wireless/ath/ath9k/phy.h b/drivers/net/wireless/ath/ath9k/phy.h
index 140fef74c66..b64bc69d7bb 100644
--- a/drivers/net/wireless/ath/ath9k/phy.h
+++ b/drivers/net/wireless/ath/ath9k/phy.h
@@ -186,8 +186,20 @@ bool ath9k_hw_init_rf(struct ath_hw *ah,
 #define AR_PHY_PLL_CTL_44_2133  0xeb
 #define AR_PHY_PLL_CTL_40_2133  0xea
 
-#define AR_PHY_SPECTRAL_SCAN            0x9912
-#define AR_PHY_SPECTRAL_SCAN_ENABLE     0x1
+#define AR_PHY_SPECTRAL_SCAN                    0x9910  /* AR9280 spectral scan configuration register */
+#define AR_PHY_SPECTRAL_SCAN_ENABLE             0x1
+#define AR_PHY_SPECTRAL_SCAN_ENA                0x00000001  /* Enable spectral scan, reg 68, bit 0 */
+#define AR_PHY_SPECTRAL_SCAN_ENA_S              0  /* Enable spectral scan, reg 68, bit 0 */
+#define AR_PHY_SPECTRAL_SCAN_ACTIVE             0x00000002  /* Activate spectral scan reg 68, bit 1*/
+#define AR_PHY_SPECTRAL_SCAN_ACTIVE_S           1  /* Activate spectral scan reg 68, bit 1*/
+#define AR_PHY_SPECTRAL_SCAN_FFT_PERIOD         0x000000F0  /* Interval for FFT reports, reg 68, bits 4-7*/
+#define AR_PHY_SPECTRAL_SCAN_FFT_PERIOD_S       4
+#define AR_PHY_SPECTRAL_SCAN_PERIOD             0x0000FF00  /* Interval for FFT reports, reg 68, bits 8-15*/
+#define AR_PHY_SPECTRAL_SCAN_PERIOD_S           8
+#define AR_PHY_SPECTRAL_SCAN_COUNT              0x00FF0000  /* Number of reports, reg 68, bits 16-23*/
+#define AR_PHY_SPECTRAL_SCAN_COUNT_S            16
+#define AR_PHY_SPECTRAL_SCAN_SHORT_REPEAT       0x01000000  /* Short repeat, reg 68, bit 24*/
+#define AR_PHY_SPECTRAL_SCAN_SHORT_REPEAT_S     24  /* Short repeat, reg 68, bit 24*/
 
 #define AR_PHY_RX_DELAY           0x9914
 #define AR_PHY_SEARCH_START_DELAY 0x9918