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atusb: don't change csma settings while set channel

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This patch fixes the behaviour to not overwrite csma settings when
set channel afterwards.

Cc: Stefan Schmidt <stefan@osg.samsung.com>
Acked-by: Stefan Schmidt <stefan@osg.samsung.com>
Signed-off-by: Alexander Aring <aar@pengutronix.de>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
This commit is contained in:
Alexander Aring 2016-07-06 23:32:29 +02:00 committed by Marcel Holtmann
parent 9e262f5037
commit 3896129451
1 changed files with 1 additions and 5 deletions
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6
drivers/net/ieee802154/atusb.c
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@ -366,11 +366,7 @@ static int atusb_channel(struct ieee802154_hw *hw, u8 page, u8 channel)
struct atusb *atusb = hw->priv; struct atusb *atusb = hw->priv;
int ret; int ret;
/* This implicitly sets the CCA (Clear Channel Assessment) mode to 0, ret = atusb_write_subreg(atusb, SR_CHANNEL, channel);
* "Mode 3a, Carrier sense OR energy above threshold".
* We should probably make this configurable. @@@
*/
ret = atusb_write_reg(atusb, RG_PHY_CC_CCA, channel);
if (ret < 0) if (ret < 0)
return ret; return ret;
msleep(1); /* @@@ ugly synchronization */ msleep(1); /* @@@ ugly synchronization */