diff mbox series

[5/5] brcmfmac: 43012 Update MES Watermark

Message ID 20200521034838.57371-6-chi-hsien.lin@cypress.com
State New
Headers show
Series brcmfmac: SDIO parameter change series | expand

Commit Message

Chi-Hsien Lin May 21, 2020, 3:48 a.m. UTC 
From: Double Lo <double.lo@cypress.com>

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>
---
 drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c | 5 +++++
 1 file changed, 5 insertions(+)

--
2.25.0


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diff mbox series

Patch

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",