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Fri, 29 May 2020 03:49:47 +0000 From: Chi-Hsien Lin To: linux-wireless@vger.kernel.org Cc: brcm80211-dev-list@broadcom.com, brcm80211-dev-list@cypress.com, Arend van Spriel , Franky Lin , Hante Meuleman , Wright Feng , Kalle Valo , Chi-hsien Lin Subject: [PATCH V2 1/5] brcmfmac: set F2 blocksize for 4373 Date: Thu, 28 May 2020 22:49:34 -0500 Message-Id: <20200529034938.124533-2-chi-hsien.lin@cypress.com> X-Mailer: git-send-email 2.25.0 In-Reply-To: <20200529034938.124533-1-chi-hsien.lin@cypress.com> References: <20200529034938.124533-1-chi-hsien.lin@cypress.com> Content-Transfer-Encoding: 8bit Content-Type: text/plain X-ClientProxiedBy: BYAPR06CA0072.namprd06.prod.outlook.com (2603:10b6:a03:14b::49) To BYAPR06MB4901.namprd06.prod.outlook.com (2603:10b6:a03:7a::30) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from aremote02.aus.cypress.com (12.110.209.245) by BYAPR06CA0072.namprd06.prod.outlook.com (2603:10b6:a03:14b::49) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3045.18 via Frontend Transport; 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It fixes DMA error while having UDP bi-directional traffic. Also use a defined F1 MesBusyCtrl value. Signed-off-by: Wright Feng Signed-off-by: Chi-hsien Lin --- .../wireless/broadcom/brcm80211/brcmfmac/bcmsdh.c | 14 +++++++++++++- .../wireless/broadcom/brcm80211/brcmfmac/sdio.c | 4 ++-- 2 files changed, 15 insertions(+), 3 deletions(-) diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/bcmsdh.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/bcmsdh.c index 22a17ae09e94..bb3196cba683 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/bcmsdh.c +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/bcmsdh.c @@ -43,6 +43,7 @@ #define SDIO_FUNC1_BLOCKSIZE 64 #define SDIO_FUNC2_BLOCKSIZE 512 +#define SDIO_4373_FUNC2_BLOCKSIZE 256 #define SDIO_4359_FUNC2_BLOCKSIZE 256 /* Maximum milliseconds to wait for F2 to come up */ #define SDIO_WAIT_F2RDY 3000 @@ -910,13 +911,24 @@ static int brcmf_sdiod_probe(struct brcmf_sdio_dev *sdiodev) sdio_release_host(sdiodev->func1); goto out; } - if (sdiodev->func2->device == SDIO_DEVICE_ID_BROADCOM_4359) + switch (sdiodev->func2->device) { + case SDIO_DEVICE_ID_CYPRESS_4373: + f2_blksz = SDIO_4373_FUNC2_BLOCKSIZE; + break; + case SDIO_DEVICE_ID_BROADCOM_4359: f2_blksz = SDIO_4359_FUNC2_BLOCKSIZE; + break; + default: + break; + } + ret = sdio_set_block_size(sdiodev->func2, f2_blksz); if (ret) { brcmf_err("Failed to set F2 blocksize\n"); sdio_release_host(sdiodev->func1); goto out; + } else { + brcmf_dbg(SDIO, "set F2 blocksize to %d\n", f2_blksz); } /* increase F2 timeout */ diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c index ce6f15284277..dce22cd2279d 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c @@ -41,6 +41,7 @@ /* watermark expressed in number of words */ #define DEFAULT_F2_WATERMARK 0x8 #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_4359_F2_WATERMARK 0x40 #define CY_4359_F1_MESBUSYCTRL (CY_4359_F2_WATERMARK | SBSDIO_MESBUSYCTRL_ENAB) @@ -4195,8 +4196,7 @@ static void brcmf_sdio_firmware_callback(struct device *dev, int err, brcmf_sdiod_writeb(sdiod, SBSDIO_DEVICE_CTL, devctl, &err); brcmf_sdiod_writeb(sdiod, SBSDIO_FUNC1_MESBUSYCTRL, - CY_4373_F2_WATERMARK | - SBSDIO_MESBUSYCTRL_ENAB, &err); + CY_4373_F1_MESBUSYCTRL, &err); break; case SDIO_DEVICE_ID_CYPRESS_43012: brcmf_dbg(INFO, "set F2 watermark to 0x%x*4 bytes\n", -- 2.25.0