package/kernel/mac80211/patches/314-v4.16-0004-brcmfmac-Correctly-handle-accesses-to-SDIO-func0.patch

   1 From 508422f3695bf66f7b85fb4723c22f5166003ec6 Mon Sep 17 00:00:00 2001
   2 From: Ian Molton <ian@mnementh.co.uk>
   3 Date: Tue, 19 Dec 2017 13:47:10 +0100
   4 Subject: [PATCH] brcmfmac: Correctly handle accesses to SDIO func0
   5
   6 Rather than workaround the restrictions on func0 addressing in the
   7 driver, set MMC_QUIRK_LENIENT_FN0
   8
   9 Signed-off-by: Ian Molton <ian@mnementh.co.uk>
  10 Acked-by: Arend van Spriel <arend.vanspriel@broadcom.com>
  11 Signed-off-by: Arend van Spriel <arend.vanspriel@broadcom.com>
  12 Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
  13 ---
  14  drivers/net/wireless/broadcom/brcm80211/brcmfmac/bcmsdh.c | 4 ++++
  15  drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.h   | 4 ++--
  16  2 files changed, 6 insertions(+), 2 deletions(-)
  17
  18 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/bcmsdh.c
  19 +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/bcmsdh.c
  20 @@ -995,6 +995,10 @@ static int brcmf_ops_sdio_probe(struct s
  21         brcmf_dbg(SDIO, "Function#: %d\n", func->num);
  22
  23         dev = &func->dev;
  24 +
  25 +       /* Set MMC_QUIRK_LENIENT_FN0 for this card */
  26 +       func->card->quirks |= MMC_QUIRK_LENIENT_FN0;
  27 +
  28         /* prohibit ACPI power management for this device */
  29         brcmf_sdiod_acpi_set_power_manageable(dev, 0);
  30
  31 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.h
  32 +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.h
  33 @@ -297,10 +297,10 @@ void brcmf_sdiod_intr_unregister(struct
  34  /* SDIO device register access interface */
  35  /* Accessors for SDIO Function 0 */
  36  #define brcmf_sdiod_func0_rb(sdiodev, addr, r) \
  37 -       sdio_readb((sdiodev)->func[0], (addr), (r))
  38 +       sdio_f0_readb((sdiodev)->func[0], (addr), (r))
  39
  40  #define brcmf_sdiod_func0_wb(sdiodev, addr, v, ret) \
  41 -       sdio_writeb((sdiodev)->func[0], (v), (addr), (ret))
  42 +       sdio_f0_writeb((sdiodev)->func[0], (v), (addr), (ret))
  43
  44  /* Accessors for SDIO Function 1 */
  45  #define brcmf_sdiod_readb(sdiodev, addr, r) \