Re: [PATCH bluetooth-next 3/8] mac802154: remove aack hw flag

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Hello.

On 06/06/15 17:30, Alexander Aring wrote:
This patch removes the hardware auto acknowdledge flag which indicates
that the transceiver supports this handling. This flag is never
evaluated inside mac802154 and all transceivers should support this
handling by default per hardware.

Suggested-by: Lennert Buytenhek <buytenh@xxxxxxxxxxxxxx>
Cc: Stefan Schmidt <s.schmidt@xxxxxxxxxxx>
Cc: Varka Bhadram <varkab@xxxxxxx>
Cc: Alan Ott <alan@xxxxxxxxxxx>
Signed-off-by: Alexander Aring <alex.aring@xxxxxxxxx>
---
  drivers/net/ieee802154/at86rf230.c | 2 +-
  drivers/net/ieee802154/atusb.c     | 2 +-
  drivers/net/ieee802154/cc2520.c    | 3 +--
  drivers/net/ieee802154/mrf24j40.c  | 3 +--
  include/net/mac802154.h            | 2 --
  5 files changed, 4 insertions(+), 8 deletions(-)

diff --git a/drivers/net/ieee802154/at86rf230.c b/drivers/net/ieee802154/at86rf230.c
index 6e20e9c..1bf86d2 100644
--- a/drivers/net/ieee802154/at86rf230.c
+++ b/drivers/net/ieee802154/at86rf230.c
@@ -1443,7 +1443,7 @@ at86rf230_detect_device(struct at86rf230_local *lp)
  		return -EINVAL;
  	}
- lp->hw->flags = IEEE802154_HW_TX_OMIT_CKSUM | IEEE802154_HW_AACK |
+	lp->hw->flags = IEEE802154_HW_TX_OMIT_CKSUM |
  			IEEE802154_HW_CSMA_PARAMS |
  			IEEE802154_HW_FRAME_RETRIES | IEEE802154_HW_AFILT |
  			IEEE802154_HW_PROMISCUOUS;
diff --git a/drivers/net/ieee802154/atusb.c b/drivers/net/ieee802154/atusb.c
index 3d25678..80dfc72 100644
--- a/drivers/net/ieee802154/atusb.c
+++ b/drivers/net/ieee802154/atusb.c
@@ -628,7 +628,7 @@ static int atusb_probe(struct usb_interface *interface,
hw->parent = &usb_dev->dev;
  	hw->flags = IEEE802154_HW_TX_OMIT_CKSUM | IEEE802154_HW_AFILT |
-		    IEEE802154_HW_AACK | IEEE802154_HW_PROMISCUOUS;
+		    IEEE802154_HW_PROMISCUOUS;
hw->phy->flags = WPAN_PHY_FLAG_TXPOWER; diff --git a/drivers/net/ieee802154/cc2520.c b/drivers/net/ieee802154/cc2520.c
index a8bafd6..15f263c 100644
--- a/drivers/net/ieee802154/cc2520.c
+++ b/drivers/net/ieee802154/cc2520.c
@@ -746,8 +746,7 @@ static int cc2520_register(struct cc2520_private *priv)
/* We do support only 2.4 Ghz */
  	priv->hw->phy->supported.channels[0] = 0x7FFF800;
-	priv->hw->flags = IEEE802154_HW_OMIT_CKSUM | IEEE802154_HW_AACK |
-			  IEEE802154_HW_AFILT;
+	priv->hw->flags = IEEE802154_HW_OMIT_CKSUM | IEEE802154_HW_AFILT;
priv->hw->phy->flags = WPAN_PHY_FLAG_TXPOWER; diff --git a/drivers/net/ieee802154/mrf24j40.c b/drivers/net/ieee802154/mrf24j40.c
index f2a1bd1..99c7676 100644
--- a/drivers/net/ieee802154/mrf24j40.c
+++ b/drivers/net/ieee802154/mrf24j40.c
@@ -751,8 +751,7 @@ static int mrf24j40_probe(struct spi_device *spi)
  	devrec->hw->priv = devrec;
  	devrec->hw->parent = &devrec->spi->dev;
  	devrec->hw->phy->supported.channels[0] = CHANNEL_MASK;
-	devrec->hw->flags = IEEE802154_HW_OMIT_CKSUM | IEEE802154_HW_AACK |
-			    IEEE802154_HW_AFILT;
+	devrec->hw->flags = IEEE802154_HW_OMIT_CKSUM | IEEE802154_HW_AFILT;
dev_dbg(printdev(devrec), "registered mrf24j40\n");
  	ret = ieee802154_register_hw(devrec->hw);
diff --git a/include/net/mac802154.h b/include/net/mac802154.h
index 845e4f8..a20ba28 100644
--- a/include/net/mac802154.h
+++ b/include/net/mac802154.h
@@ -90,8 +90,6 @@ struct ieee802154_hw {
/* Indicates that xmitter will add FCS on it's own. */
  #define IEEE802154_HW_TX_OMIT_CKSUM	0x00000001
-/* Indicates that receiver will autorespond with ACK frames. */
-#define IEEE802154_HW_AACK		0x00000002
  /* Indicates that transceiver will support listen before transmit. */
  #define IEEE802154_HW_LBT		0x00000004
  /* Indicates that transceiver will support csma (max_be, min_be, csma retries)

For the atusb hunk:
Acked-by: Stefan Schmidt <stefan@xxxxxxxxxxxxxxx>

regards
Stefan Schmidt
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