package/ath9k/patches/140-no_desc_swap.patch

   1 Remove the descriptor swap, as the driver already configures the hardware for
   2 descriptor swapping on big endian systems
   3
   4 Signed-off-by: Felix Fietkau <nbd@openwrt.org>
   5
   6 --- a/drivers/net/wireless/ath9k/core.c
   7 +++ b/drivers/net/wireless/ath9k/core.c
   8 @@ -2141,22 +2141,6 @@
   9         memzero(dd, sizeof(*dd));
  10  }
  11
  12 -/*
  13 - *  Endian Swap for transmit descriptor
  14 - *
  15 - * XXX: Move cpu_to_le32() into hw.c and anywhere we set them, then
  16 - * remove this.
  17 -*/
  18 -void ath_desc_swap(struct ath_desc *ds)
  19 -{
  20 -       ds->ds_link = cpu_to_le32(ds->ds_link);
  21 -       ds->ds_data = cpu_to_le32(ds->ds_data);
  22 -       ds->ds_ctl0 = cpu_to_le32(ds->ds_ctl0);
  23 -       ds->ds_ctl1 = cpu_to_le32(ds->ds_ctl1);
  24 -       ds->ds_hw[0] = cpu_to_le32(ds->ds_hw[0]);
  25 -       ds->ds_hw[1] = cpu_to_le32(ds->ds_hw[1]);
  26 -}
  27 -
  28  /*************/
  29  /* Utilities */
  30  /*************/
  31 --- a/drivers/net/wireless/ath9k/beacon.c
  32 +++ b/drivers/net/wireless/ath9k/beacon.c
  33 @@ -140,11 +140,6 @@
  34         series[0].RateFlags = (ctsrate) ? HAL_RATESERIES_RTS_CTS : 0;
  35         ath9k_hw_set11n_ratescenario(ah, ds, ds, 0,
  36                 ctsrate, ctsduration, series, 4, 0);
  37 -
  38 -       /* NB: The desc swap function becomes void,
  39 -        * if descriptor swapping is not enabled
  40 -        */
  41 -       ath_desc_swap(ds);
  42  }
  43
  44  /* Move everything from the vap's mcast queue to the hardware cab queue.
  45 --- a/drivers/net/wireless/ath9k/core.h
  46 +++ b/drivers/net/wireless/ath9k/core.h
  47 @@ -384,7 +384,6 @@
  48  void ath_descdma_cleanup(struct ath_softc *sc,
  49                          struct ath_descdma *dd,
  50                          struct list_head *head);
  51 -void ath_desc_swap(struct ath_desc *ds);
  52
  53  /******/
  54  /* RX */
  55 --- a/drivers/net/wireless/ath9k/xmit.c
  56 +++ b/drivers/net/wireless/ath9k/xmit.c
  57 @@ -2062,7 +2062,6 @@
  58                             AH_TRUE,            /* first segment */
  59                             (n_sg == 1) ? AH_TRUE : AH_FALSE, /* last segment */
  60                             ds);                /* first descriptor */
  61 -       ath_desc_swap(ds);
  62
  63         bf->bf_lastfrm = bf;
  64         bf->bf_ht = txctl->ht;