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authorDouble Lo <double.lo@cypress.com>2020-05-28 22:49:35 -0500
committerKalle Valo <kvalo@codeaurora.org>2020-05-29 20:39:36 +0300
commit528158a8d4522bed5a35bb1a942638a79bca6acd (patch)
tree864fddf2dc2fef22b431e7959d39792b7c9d613c /drivers/net
parent2a7621ded321dfd70b5349bbfcd1af9e9df1f197 (diff)
brcmfmac: fix 4339 CRC error under SDIO 3.0 SDR104 mode
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@cypress.com> Signed-off-by: Chi-hsien Lin <chi-hsien.lin@cypress.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org> Link: https://lore.kernel.org/r/20200529034938.124533-3-chi-hsien.lin@cypress.com
Diffstat (limited to 'drivers/net')
-rw-r--r--drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c17
1 files changed, 17 insertions, 0 deletions
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);