From: Madhan Mohan R <MadhanMohan.R@xxxxxxxxxxx> Along with F2 watermark (existing) configuration, F1 MesBusyCtrl should be enabled & configured to avoid overflow errors. Signed-off-by: Madhan Mohan R <madhanmohan.r@xxxxxxxxxxx> Signed-off-by: Chi-Hsien Lin <chi-hsien.lin@xxxxxxxxxxx> --- drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c | 3 +++ drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.h | 3 +++ 2 files changed, 6 insertions(+) diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c index 541d54661c9e..34a838fcc319 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c @@ -51,6 +51,7 @@ #define DEFAULT_F2_WATERMARK 0x8 #define CY_4373_F2_WATERMARK 0x40 +#define CY_4373_F1_MESBUSYCTRL (CY_4373_F2_WATERMARK | SBSDIO_MESBUSYCTRL_ENAB) #ifdef DEBUG @@ -4118,6 +4119,8 @@ 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_4373_F1_MESBUSYCTRL, &err); break; default: brcmf_sdiod_writeb(sdiod, SBSDIO_WATERMARK, diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.h b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.h index 7faed831f07d..8aaabca1eb0e 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.h +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.h @@ -104,6 +104,9 @@ #define SBSDIO_FUNC1_RFRAMEBCHI 0x1001C /* MesBusyCtl (rev 11) */ #define SBSDIO_FUNC1_MESBUSYCTRL 0x1001D +/* Enable busy capability for MES access */ +#define SBSDIO_MESBUSYCTRL_ENAB 0x80 + /* Sdio Core Rev 12 */ #define SBSDIO_FUNC1_WAKEUPCTRL 0x1001E #define SBSDIO_FUNC1_WCTRL_ALPWAIT_MASK 0x1 -- 2.1.0
