package/kernel/mac80211/patches/brcm/329-v5.0-0003-brcmfmac-set-SDIO-F1-MesBusyCtrl-for-CYW4373.patch

   1 From 58e4bbea0c1d9b5ace11df968c5dc096ce052a73 Mon Sep 17 00:00:00 2001
   2 From: Madhan Mohan R <MadhanMohan.R@cypress.com>
   3 Date: Wed, 21 Nov 2018 07:53:45 +0000
   4 Subject: [PATCH] brcmfmac: set SDIO F1 MesBusyCtrl for CYW4373
   5
   6 Along with F2 watermark (existing) configuration, F1 MesBusyCtrl
   7 should be enabled & sdio device RX FIFO watermark should be
   8 configured to avoid overflow errors.
   9
  10 Reviewed-by: Arend van Spriel <arend.vanspriel@broadcom.com>
  11 Signed-off-by: Madhan Mohan R <madhanmohan.r@cypress.com>
  12 Signed-off-by: Chi-Hsien Lin <chi-hsien.lin@cypress.com>
  13 Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
  14 ---
  15  drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c | 3 +++
  16  drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.h | 9 ++++++++-
  17  2 files changed, 11 insertions(+), 1 deletion(-)
  18
  19 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c
  20 +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c
  21 @@ -4130,6 +4130,9 @@ static void brcmf_sdio_firmware_callback
  22                         devctl |= SBSDIO_DEVCTL_F2WM_ENAB;
  23                         brcmf_sdiod_writeb(sdiod, SBSDIO_DEVICE_CTL, devctl,
  24                                            &err);
  25 +                       brcmf_sdiod_writeb(sdiod, SBSDIO_FUNC1_MESBUSYCTRL,
  26 +                                          CY_4373_F2_WATERMARK |
  27 +                                          SBSDIO_MESBUSYCTRL_ENAB, &err);
  28                         break;
  29                 default:
  30                         brcmf_sdiod_writeb(sdiod, SBSDIO_WATERMARK,
  31 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.h
  32 +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.h
  33 @@ -77,7 +77,7 @@
  34  #define SBSDIO_GPIO_OUT                        0x10006
  35  /* gpio enable */
  36  #define SBSDIO_GPIO_EN                 0x10007
  37 -/* rev < 7, watermark for sdio device */
  38 +/* rev < 7, watermark for sdio device TX path */
  39  #define SBSDIO_WATERMARK               0x10008
  40  /* control busy signal generation */
  41  #define SBSDIO_DEVICE_CTL              0x10009
  42 @@ -104,6 +104,13 @@
  43  #define SBSDIO_FUNC1_RFRAMEBCHI                0x1001C
  44  /* MesBusyCtl (rev 11) */
  45  #define SBSDIO_FUNC1_MESBUSYCTRL       0x1001D
  46 +/* Watermark for sdio device RX path */
  47 +#define SBSDIO_MESBUSY_RXFIFO_WM_MASK  0x7F
  48 +#define SBSDIO_MESBUSY_RXFIFO_WM_SHIFT 0
  49 +/* Enable busy capability for MES access */
  50 +#define SBSDIO_MESBUSYCTRL_ENAB                0x80
  51 +#define SBSDIO_MESBUSYCTRL_ENAB_SHIFT  7
  52 +
  53  /* Sdio Core Rev 12 */
  54  #define SBSDIO_FUNC1_WAKEUPCTRL                0x1001E
  55  #define SBSDIO_FUNC1_WCTRL_ALPWAIT_MASK                0x1