brcmfmac: fix 43455 CRC error under SDIO 3.0 SDR104 mode (df18c257) · Commits · 戴 / test

This patch fixes 43455 CRC error while running throughput test with suspend/resume stress test. 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:

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/20200529034938.124533-5-chi-hsien.lin@cypress.com

drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c

+18 −0

Original line number	Diff line number	Diff line
		@@ -47,9 +47,14 @@
		#define CY_4339_MES_WATERMARK 80
		#define CY_4339_MESBUSYCTRL (CY_4339_MES_WATERMARK \| \
		SBSDIO_MESBUSYCTRL_ENAB)
		#define CY_43455_F2_WATERMARK 0x60
		#define CY_43455_MES_WATERMARK 0x50
		#define CY_43455_MESBUSYCTRL (CY_43455_MES_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
		@@ -4226,6 +4231,19 @@ static void brcmf_sdio_firmware_callback(struct device *dev, int err,
		brcmf_sdiod_writeb(sdiod, SBSDIO_FUNC1_MESBUSYCTRL,
		CY_4339_MESBUSYCTRL, &err);
		break;
		case SDIO_DEVICE_ID_BROADCOM_43455:
		brcmf_dbg(INFO, "set F2 watermark to 0x%x*4 bytes for 43455\n",
		CY_43455_F2_WATERMARK);
		brcmf_sdiod_writeb(sdiod, SBSDIO_WATERMARK,
		CY_43455_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_43455_MESBUSYCTRL, &err);
		break;
		case SDIO_DEVICE_ID_BROADCOM_4359:
		/* fallthrough */
		case SDIO_DEVICE_ID_BROADCOM_4354:

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