Commit 113a57a4 authored by Double Lo's avatar Double Lo Committed by Kalle Valo
Browse files

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: default avatarDouble Lo <double.lo@cypress.com>
Signed-off-by: default avatarChi-hsien Lin <chi-hsien.lin@cypress.com>
Signed-off-by: default avatarKalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20200529034938.124533-6-chi-hsien.lin@cypress.com
parent df18c257

drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c

+5 −0
Original line number Diff line number Diff line
@@ -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",

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