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authorWright Feng <wright.feng@cypress.com>2020-05-28 22:49:34 -0500
committerKalle Valo <kvalo@codeaurora.org>2020-05-29 20:39:35 +0300
commit2a7621ded321dfd70b5349bbfcd1af9e9df1f197 (patch)
tree34491ea24082ba078b041d5597ada830876215ac
parentda74b6933b3ba27c88fa0b7ccbd019e4f41ebfd4 (diff)
brcmfmac: set F2 blocksize for 4373
Set F2 blocksize to 256 bytes for 4373. It fixes DMA error while having UDP bi-directional traffic. Also use a defined F1 MesBusyCtrl value. Signed-off-by: Wright Feng <wright.feng@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/20200529034938.124533-2-chi-hsien.lin@cypress.com
-rw-r--r--drivers/net/wireless/broadcom/brcm80211/brcmfmac/bcmsdh.c14
-rw-r--r--drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c4
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",