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authorFrank Kao <frank.kao@cypress.com>2020-05-28 22:49:36 -0500
committerKalle Valo <kvalo@codeaurora.org>2020-05-29 20:39:38 +0300
commit2bee41270f3bafe475dd2cfe28fcc3f1ed6ab6ee (patch)
tree4d606e2e7e594ca654a845e77e43a2337d6c1724 /drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c
parent528158a8d4522bed5a35bb1a942638a79bca6acd (diff)
brcmfmac: set F2 blocksize and watermark for 4354/4356 SDIO
Set F2 blocksize to 256 bytes and watermark to 0x40 for 4354/4356 SDIO. Also enable and configure F1 MesBusyCtrl. It would resolve random driver crash issue. Signed-off-by: Frank Kao <frank.kao@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/20200529034938.124533-4-chi-hsien.lin@cypress.com
Diffstat (limited to 'drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c')
-rw-r--r--drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c16
1 files changed, 10 insertions, 6 deletions
diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c
index 491b635e72b1..037a4efef924 100644
--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c
@@ -47,9 +47,9 @@
#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)
-
+#define CY_435X_F2_WATERMARK 0x40
+#define CY_435X_F1_MESBUSYCTRL (CY_435X_F2_WATERMARK | \
+ SBSDIO_MESBUSYCTRL_ENAB)
#ifdef DEBUG
#define BRCMF_TRAP_INFO_SIZE 80
@@ -4227,17 +4227,21 @@ static void brcmf_sdio_firmware_callback(struct device *dev, int err,
CY_4339_MESBUSYCTRL, &err);
break;
case SDIO_DEVICE_ID_BROADCOM_4359:
+ /* fallthrough */
+ case SDIO_DEVICE_ID_BROADCOM_4354:
+ /* fallthrough */
+ case SDIO_DEVICE_ID_BROADCOM_4356:
brcmf_dbg(INFO, "set F2 watermark to 0x%x*4 bytes\n",
- CY_4359_F2_WATERMARK);
+ CY_435X_F2_WATERMARK);
brcmf_sdiod_writeb(sdiod, SBSDIO_WATERMARK,
- CY_4359_F2_WATERMARK, &err);
+ CY_435X_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_4359_F1_MESBUSYCTRL, &err);
+ CY_435X_F1_MESBUSYCTRL, &err);
break;
default:
brcmf_sdiod_writeb(sdiod, SBSDIO_WATERMARK,