From: Madhan Mohan R <madhanmoha...@cypress.com>
Along with F2 watermark (existing) configuration, F1 MesBusyCtrl
should be enabled & configured to avoid overflow errors.
Signed-off-by: Madhan Mohan R <madhanmoha...@cypress.com>
Signed-off-by: Chi-Hsien Lin <chi-hsien....@cypress.com>
---
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
