[PATCH v4 04/10] ath9k_hw: advertise WoW support for capable chipsets

[Mohammed Shafi Shajakhan <mohammed@xxxxxxxxxxxxxxxx>]

From: Mohammed Shafi Shajakhan <mohammed@xxxxxxxxxxxxxxxx>

support WoW for all chipsets starting from AR9280, AR9285, AR9287,
AR9380, AR9382, AR9485, AR9462. Really all hardware may not support
WoW even though the flag is set and the WoW working depends on
your laptop, BIOS apart from the hardware.

Cc: Senthil Balasubramanian <senthilb@xxxxxxxxxxxxxxxx>
Cc: Rajkumar Manoharan <rmanohar@xxxxxxxxxxxxxxxx>
Cc: vadivel@xxxxxxxxxxxxxxxx
Signed-off-by: Luis R. Rodriguez <mcgrof@xxxxxxxxxxxxxxxx>
Signed-off-by: Mohammed Shafi Shajakhan <mohammed@xxxxxxxxxxxxxxxx>
---
 drivers/net/wireless/ath/ath9k/hw.c |    8 ++++++++
 1 files changed, 8 insertions(+), 0 deletions(-)

diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c
index c1659d0..9c8e0d8 100644
--- a/drivers/net/wireless/ath/ath9k/hw.c
+++ b/drivers/net/wireless/ath/ath9k/hw.c
@@ -2589,6 +2589,14 @@ int ath9k_hw_fill_cap_info(struct ath_hw *ah)
 	}
 
 
+	if (AR_SREV_9280_20_OR_LATER(ah)) {
+		pCap->hw_caps |= ATH9K_HW_WOW_DEVICE_CAPABLE |
+				 ATH9K_HW_WOW_PATTERN_MATCH_EXACT;
+
+		if (AR_SREV_9280(ah))
+			pCap->hw_caps |= ATH9K_HW_WOW_PATTERN_MATCH_DWORD;
+	}
+
 	return 0;
 }
 
-- 
1.7.0.4

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