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[109.252.170.211]) by smtp.gmail.com with ESMTPSA id e23sm1409709lfj.80.2020.08.30.12.15.04 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 30 Aug 2020 12:15:04 -0700 (PDT) From: Dmitry Osipenko To: Arend van Spriel , Franky Lin , Hante Meuleman , Chi-Hsien Lin , Wright Feng , Kalle Valo Cc: linux-wireless@vger.kernel.org, brcm80211-dev-list.pdl@broadcom.com, brcm80211-dev-list@cypress.com, netdev@vger.kernel.org, linux-tegra@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v3 1/3] brcmfmac: increase F2 watermark for BCM4329 Date: Sun, 30 Aug 2020 22:14:37 +0300 Message-Id: <20200830191439.10017-2-digetx@gmail.com> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20200830191439.10017-1-digetx@gmail.com> References: <20200830191439.10017-1-digetx@gmail.com> MIME-Version: 1.0 Sender: linux-wireless-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org This patch fixes SDHCI CRC errors during of RX throughput testing on BCM4329 chip if SDIO BUS is clocked above 25MHz. In particular the checksum problem is observed on NVIDIA Tegra20 SoCs. The good watermark value is borrowed from downstream BCMDHD driver and it's matching to the value that is already used for the BCM4339 chip, hence let's re-use it for BCM4329. Reviewed-by: Arend van Spriel Signed-off-by: Dmitry Osipenko --- drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c index d1b96bad2718..b16944a898f9 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c @@ -4278,6 +4278,7 @@ static void brcmf_sdio_firmware_callback(struct device *dev, int err, brcmf_sdiod_writeb(sdiod, SBSDIO_FUNC1_MESBUSYCTRL, CY_43012_MESBUSYCTRL, &err); break; + case SDIO_DEVICE_ID_BROADCOM_4329: case SDIO_DEVICE_ID_BROADCOM_4339: brcmf_dbg(INFO, "set F2 watermark to 0x%x*4 bytes for 4339\n", CY_4339_F2_WATERMARK);