From: Double Lo <double.lo@xxxxxxxxxxx> This patch fixes 4339 CRC error while running Tput test with suspend/resume test script. The continuous failure messages before system crash: brcmfmac: brcmf_sdiod_sglist_rw: CMD53 sg block read failed -84 brcmfmac: brcmf_sdio_rxglom: glom read of 25600 bytes failed: -5 brcmfmac: brcmf_sdio_rxfail: abort command, terminate frame brcmfmac: brcmf_sdiod_sglist_rw: CMD53 sg block read failed -84 brcmfmac: brcmf_sdio_rxglom: glom read of 24576 bytes failed: -5 brcmfmac: brcmf_sdio_rxfail: abort command, terminate frame Signed-off-by: Double Lo <double.lo@xxxxxxxxxxx> Signed-off-by: Chi-hsien Lin <chi-hsien.lin@xxxxxxxxxxx> --- .../wireless/broadcom/brcm80211/brcmfmac/sdio.c | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c index dce22cd2279d..491b635e72b1 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c @@ -43,6 +43,10 @@ #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_4339_F2_WATERMARK 48 +#define CY_4339_MES_WATERMARK 80 +#define CY_4339_MESBUSYCTRL (CY_4339_MES_WATERMARK | \ + SBSDIO_MESBUSYCTRL_ENAB) #define CY_4359_F2_WATERMARK 0x40 #define CY_4359_F1_MESBUSYCTRL (CY_4359_F2_WATERMARK | SBSDIO_MESBUSYCTRL_ENAB) @@ -4209,6 +4213,19 @@ static void brcmf_sdio_firmware_callback(struct device *dev, int err, brcmf_sdiod_writeb(sdiod, SBSDIO_DEVICE_CTL, devctl, &err); break; + case SDIO_DEVICE_ID_BROADCOM_4339: + brcmf_dbg(INFO, "set F2 watermark to 0x%x*4 bytes for 4339\n", + CY_4339_F2_WATERMARK); + brcmf_sdiod_writeb(sdiod, SBSDIO_WATERMARK, + CY_4339_F2_WATERMARK, &err); + devctl = brcmf_sdiod_readb(sdiod, SBSDIO_DEVICE_CTL, + &err); + devctl |= SBSDIO_DEVCTL_F2WM_ENAB; + brcmf_sdiod_writeb(sdiod, SBSDIO_DEVICE_CTL, devctl, + &err); + brcmf_sdiod_writeb(sdiod, SBSDIO_FUNC1_MESBUSYCTRL, + CY_4339_MESBUSYCTRL, &err); + break; case SDIO_DEVICE_ID_BROADCOM_4359: brcmf_dbg(INFO, "set F2 watermark to 0x%x*4 bytes\n", CY_4359_F2_WATERMARK); -- 2.25.0
