ath9k_hw: get QCA953x WMAC revision via platform_data

The SREV register in the WMAC register space does not contain the chip
revision, so it needs to be passed in from the kernel.

With an updated kernel, this fixes tx gain table selection.

Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c
index c8a9dfab1fee2ea4778046b186428ba3f014e054..dffefee60f221334db6ec7d0132ccba467369ea2 100644 (file)
--- a/drivers/net/wireless/ath/ath9k/hw.c
+++ b/drivers/net/wireless/ath/ath9k/hw.c
@@ -246,6 +246,8 @@ static void ath9k_hw_read_revisions(struct ath_hw *ah)
                return;
        case AR9300_DEVID_AR953X:
                ah->hw_version.macVersion = AR_SREV_VERSION_9531;
+               if (ah->get_mac_revision)
+                       ah->hw_version.macRev = ah->get_mac_revision();
                return;
        }