package/kernel/mac80211/patches/ath/101-ath9k-use-iowrite32-over-__raw_writel.patch

   1 From bd8eca2c0f5542c5b20b1c2cc506b8b8a46018df Mon Sep 17 00:00:00 2001
   2 From: Christian Lamparter <chunkeey@gmail.com>
   3 Date: Sun, 24 Nov 2019 15:22:55 +0100
   4 Subject: [PATCH] ath9k: use iowrite32 over __raw_writel
   5 To: linux-wireless@vger.kernel.org
   6 Cc: QCA ath9k Development <ath9k-devel@qca.qualcomm.com>,
   7     Kalle Valo <kvalo@codeaurora.org>,
   8     Hauke Mehrtens <hauke@hauke-m.de>,
   9     Mathias Kresin <dev@kresin.me>,
  10     Martin Blumenstingl <martin.blumenstingl@googlemail.com>
  11
  12 This patch changes the ath9k_pci_owl_loader to use the
  13 same iowrite32 memory accessor that ath9k_pci is using
  14 to communicate with the PCI(e) chip.
  15
  16 This will fix endian issues that came up during testing
  17 with loaned AVM Fritz!Box 7360 (Lantiq MIPS SoCs + AR9287).
  18
  19 Fixes: 5a4f2040fd07 ("ath9k: add loader for AR92XX (and older) pci(e)")
  20 Signed-off-by: Christian Lamparter <chunkeey@gmail.com>
  21 ---
  22  drivers/net/wireless/ath/ath9k/ath9k_pci_owl_loader.c | 2 +-
  23  1 file changed, 1 insertion(+), 1 deletion(-)
  24
  25 diff --git a/drivers/net/wireless/ath/ath9k/ath9k_pci_owl_loader.c b/drivers/net/wireless/ath/ath9k/ath9k_pci_owl_loader.c
  26 index 956fa7828d0c..56d1a7764b9f 100644
  27 --- a/drivers/net/wireless/ath/ath9k/ath9k_pci_owl_loader.c
  28 +++ b/drivers/net/wireless/ath/ath9k/ath9k_pci_owl_loader.c
  29 @@ -83,7 +83,7 @@ static int ath9k_pci_fixup(struct pci_dev *pdev, const u16 *cal_data,
  30                         val = swahb32(val);
  31                 }
  32
  33 -               __raw_writel(val, mem + reg);
  34 +               iowrite32(val, mem + reg);
  35                 usleep_range(100, 120);
  36         }
  37
  38 --
  39 2.24.0
  40