diff options
| author | Double Lo <double.lo@cypress.com> | 2020-05-28 22:49:38 -0500 |
|---|---|---|
| committer | Kalle Valo <kvalo@codeaurora.org> | 2020-05-29 20:39:40 +0300 |
| commit | 113a57a400a2d4974448760464f6443d52a1e498 (patch) | |
| tree | 56a4ced3b4996547f23a05793f1599802ce8dd0e /drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c | |
| parent | df18c257bd6a3fe1906a9c87bcb0bb30cf87ef64 (diff) | |
brcmfmac: 43012 Update MES Watermark
Set MES watermark size to 0x50 for 43012. It fixes SDIO bus hang issue
when running at high throughput.
Signed-off-by: Double Lo <double.lo@cypress.com>
Signed-off-by: Chi-hsien Lin <chi-hsien.lin@cypress.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20200529034938.124533-6-chi-hsien.lin@cypress.com
Diffstat (limited to 'drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c')
| -rw-r--r-- | drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c index 58d9f0b90ad3..760b7737e745 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c @@ -43,6 +43,9 @@ #define CY_4373_F2_WATERMARK 0x40 #define CY_4373_F1_MESBUSYCTRL (CY_4373_F2_WATERMARK | SBSDIO_MESBUSYCTRL_ENAB) #define CY_43012_F2_WATERMARK 0x60 +#define CY_43012_MES_WATERMARK 0x50 +#define CY_43012_MESBUSYCTRL (CY_43012_MES_WATERMARK | \ + SBSDIO_MESBUSYCTRL_ENAB) #define CY_4339_F2_WATERMARK 48 #define CY_4339_MES_WATERMARK 80 #define CY_4339_MESBUSYCTRL (CY_4339_MES_WATERMARK | \ @@ -4217,6 +4220,8 @@ static void brcmf_sdio_firmware_callback(struct device *dev, int err, devctl |= SBSDIO_DEVCTL_F2WM_ENAB; brcmf_sdiod_writeb(sdiod, SBSDIO_DEVICE_CTL, devctl, &err); + brcmf_sdiod_writeb(sdiod, SBSDIO_FUNC1_MESBUSYCTRL, + CY_43012_MESBUSYCTRL, &err); break; case SDIO_DEVICE_ID_BROADCOM_4339: brcmf_dbg(INFO, "set F2 watermark to 0x%x*4 bytes for 4339\n", |