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Message-Id: <20130925000652.560567713@linuxfoundation.org> Date: Tue, 24 Sep 2013 17:07:48 -0700 From: Greg Kroah-Hartman <gregkh@...uxfoundation.org> To: linux-kernel@...r.kernel.org Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>, stable@...r.kernel.org, Felix Fietkau <nbd@...nwrt.org>, "John W. Linville" <linville@...driver.com> Subject: [ 17/28] ath9k: avoid accessing MRC registers on single-chain devices 3.0-stable review patch. If anyone has any objections, please let me know. ------------------ From: Felix Fietkau <nbd@...nwrt.org> commit a1c781bb20ac1e03280e420abd47a99eb8bbdd3b upstream. They are not implemented, and accessing them might trigger errors Signed-off-by: Felix Fietkau <nbd@...nwrt.org> Signed-off-by: John W. Linville <linville@...driver.com> Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org> --- drivers/net/wireless/ath/ath9k/ar9003_phy.c | 4 ++++ 1 file changed, 4 insertions(+) --- a/drivers/net/wireless/ath/ath9k/ar9003_phy.c +++ b/drivers/net/wireless/ath/ath9k/ar9003_phy.c @@ -1005,6 +1005,10 @@ static bool ar9003_hw_ani_control(struct * is_on == 0 means MRC CCK is OFF (more noise imm) */ bool is_on = param ? 1 : 0; + + if (ah->caps.rx_chainmask == 1) + break; + REG_RMW_FIELD(ah, AR_PHY_MRC_CCK_CTRL, AR_PHY_MRC_CCK_ENABLE, is_on); REG_RMW_FIELD(ah, AR_PHY_MRC_CCK_CTRL, -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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