package/kernel/mt76/patches/0001-wifi-mt76-mt7996-fix-shift-overflow-warning-on-32-bi.patch

   1 From f63f87cd5b45c3779293e6062c6b26bdf57e851d Mon Sep 17 00:00:00 2001
   2 From: Christian Marangi <ansuelsmth@gmail.com>
   3 Date: Sat, 9 Dec 2023 22:44:57 +0100
   4 Subject: [PATCH] wifi: mt76: mt7996: fix shift overflow warning on 32 bit
   5  systems
   6
   7 Fix additional shift overflow warning on 32 bit systems for mt7996 mac.c
   8 source.
   9
  10 Fixes: 95c14207d2a9 ("wifi: mt76: mt7996: set DMA mask to 36 bits for boards with more than 4GB of RAM")
  11 Signed-off-by: Christian Marangi <ansuelsmth@gmail.com>
  12 ---
  13  mt7996/mac.c | 10 +++++++---
  14  1 file changed, 7 insertions(+), 3 deletions(-)
  15
  16 --- a/mt7996/mac.c
  17 +++ b/mt7996/mac.c
  18 @@ -942,9 +942,13 @@ int mt7996_tx_prepare_skb(struct mt76_de
  19
  20         txp = (struct mt76_connac_txp_common *)(txwi + MT_TXD_SIZE);
  21         for (i = 0; i < nbuf; i++) {
  22 -               u16 len = FIELD_PREP(MT_TXP_BUF_LEN, tx_info->buf[i + 1].len) |
  23 -                         FIELD_PREP(MT_TXP_DMA_ADDR_H,
  24 -                                    tx_info->buf[i + 1].addr >> 32);
  25 +               u16 len;
  26 +
  27 +               len = FIELD_PREP(MT_TXP_BUF_LEN, tx_info->buf[i + 1].len);
  28 +#ifdef CONFIG_ARCH_DMA_ADDR_T_64BIT
  29 +               len |= FIELD_PREP(MT_TXP_DMA_ADDR_H,
  30 +                                 tx_info->buf[i + 1].addr >> 32);
  31 +#endif
  32
  33                 txp->fw.buf[i] = cpu_to_le32(tx_info->buf[i + 1].addr);
  34                 txp->fw.len[i] = cpu_to_le16(len);