From 0933ecf9ab1f0ff7ae1ff4309aee0b909fc785d9 Mon Sep 17 00:00:00 2001 From: =?utf8?q?Rafa=C5=82=20Mi=C5=82ecki?= Date: Tue, 8 Jul 2014 15:11:04 +0200 Subject: [PATCH] b43: N-PHY: drop reg 0x1 access restriction on new PHY revs MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit Initialization of N-PHY radio revs 5 and 7 requires writing to 0x1. Signed-off-by: Rafał Miłecki Signed-off-by: John W. Linville --- drivers/net/wireless/b43/phy_n.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/net/wireless/b43/phy_n.c b/drivers/net/wireless/b43/phy_n.c index 50ca6f87d5e8..1dba6409a05f 100644 --- a/drivers/net/wireless/b43/phy_n.c +++ b/drivers/net/wireless/b43/phy_n.c @@ -5834,7 +5834,7 @@ static void b43_nphy_op_maskset(struct b43_wldev *dev, u16 reg, u16 mask, static u16 b43_nphy_op_radio_read(struct b43_wldev *dev, u16 reg) { /* Register 1 is a 32-bit register. */ - B43_WARN_ON(reg == 1); + B43_WARN_ON(dev->phy.rev < 7 && reg == 1); if (dev->phy.rev >= 7) reg |= 0x200; /* Radio 0x2057 */ @@ -5848,7 +5848,7 @@ static u16 b43_nphy_op_radio_read(struct b43_wldev *dev, u16 reg) static void b43_nphy_op_radio_write(struct b43_wldev *dev, u16 reg, u16 value) { /* Register 1 is a 32-bit register. */ - B43_WARN_ON(reg == 1); + B43_WARN_ON(dev->phy.rev < 7 && reg == 1); b43_write16(dev, B43_MMIO_RADIO_CONTROL, reg); b43_write16(dev, B43_MMIO_RADIO_DATA_LOW, value); -- 2.20.1