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authorRafał Miłecki <zajec5@gmail.com>2012-07-26 00:07:37 +0200
committerJohn W. Linville <linville@tuxdriver.com>2012-08-06 14:56:35 -0400
commit0f941777c696e43e773b713a0078599aa22b3551 (patch)
tree123225ebd7ace0d74d9c2d26eacba64cd9417e25 /drivers/net/wireless/b43/phy_common.c
parent6e6a2cd510351502064c3e2a56f411a19530cd57 (diff)
downloadop-kernel-dev-0f941777c696e43e773b713a0078599aa22b3551.zip
op-kernel-dev-0f941777c696e43e773b713a0078599aa22b3551.tar.gz
b43: add helper waiting for given value in radio reg
Signed-off-by: Rafał Miłecki <zajec5@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/b43/phy_common.c')
-rw-r--r--drivers/net/wireless/b43/phy_common.c15
1 files changed, 15 insertions, 0 deletions
diff --git a/drivers/net/wireless/b43/phy_common.c b/drivers/net/wireless/b43/phy_common.c
index f627cef..f01676a 100644
--- a/drivers/net/wireless/b43/phy_common.c
+++ b/drivers/net/wireless/b43/phy_common.c
@@ -240,6 +240,21 @@ void b43_radio_maskset(struct b43_wldev *dev, u16 offset, u16 mask, u16 set)
(b43_radio_read16(dev, offset) & mask) | set);
}
+bool b43_radio_wait_value(struct b43_wldev *dev, u16 offset, u16 mask,
+ u16 value, int delay, int timeout)
+{
+ u16 val;
+ int i;
+
+ for (i = 0; i < timeout; i += delay) {
+ val = b43_radio_read(dev, offset);
+ if ((val & mask) == value)
+ return true;
+ udelay(delay);
+ }
+ return false;
+}
+
u16 b43_phy_read(struct b43_wldev *dev, u16 reg)
{
assert_mac_suspended(dev);
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