brcmfmac: error messages should not be suppressed

The call to brcmf_dbg(ERROR, ...) only resulted in a log message
when compiled with -DDEBUG. Error messages are valuable for resolving
issues so this patch replaces it with brcmf_err(...) so they always
end up in the log.
Reviewed-by: Hante Meuleman <meuleman@broadcom.com>
Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com>
Signed-off-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

drivers/net/wireless/brcm80211/brcmfmac/bcmsdh.c

@@ -67,9 +67,8 @@ int brcmf_sdio_intr_register(struct brcmf_sdio_dev *sdiodev)
 	u8 data;
 	unsigned long flags;
 
-	brcmf_dbg(TRACE, "Entering\n");
+	brcmf_dbg(TRACE, "Entering: irq %d\n", sdiodev->irq);
 
-	brcmf_dbg(ERROR, "requesting irq %d\n", sdiodev->irq);
 	ret = request_irq(sdiodev->irq, brcmf_sdio_irqhandler,
 			  sdiodev->irq_flags, "brcmf_oob_intr",
 			  &sdiodev->func[1]->dev);
@@ -184,7 +183,7 @@ brcmf_sdcard_set_sbaddr_window(struct brcmf_sdio_dev *sdiodev, u32 address)
 		} while (err != 0 && retry++ < SDIOH_API_ACCESS_RETRY_LIMIT);
 
 		if (err) {
-			brcmf_dbg(ERROR, "failed at addr:0x%0x\n",
+			brcmf_err("failed at addr:0x%0x\n",
 				  SBSDIO_FUNC1_SBADDRLOW + i);
 			break;
 		}
@@ -246,7 +245,7 @@ brcmf_sdio_regrw_helper(struct brcmf_sdio_dev *sdiodev, u32 addr,
 	} while (ret != 0 && retry++ < SDIOH_API_ACCESS_RETRY_LIMIT);
 
 	if (ret != 0)
-		brcmf_dbg(ERROR, "failed with %d\n", ret);
+		brcmf_err("failed with %d\n", ret);
 
 	return ret;
 }
@@ -340,7 +339,7 @@ brcmf_sdcard_recv_buf(struct brcmf_sdio_dev *sdiodev, u32 addr, uint fn,
 
 	mypkt = brcmu_pkt_buf_get_skb(nbytes);
 	if (!mypkt) {
-		brcmf_dbg(ERROR, "brcmu_pkt_buf_get_skb failed: len %d\n",
+		brcmf_err("brcmu_pkt_buf_get_skb failed: len %d\n",
 			  nbytes);
 		return -EIO;
 	}
@@ -409,7 +408,7 @@ brcmf_sdcard_send_buf(struct brcmf_sdio_dev *sdiodev, u32 addr, uint fn,
 
 	mypkt = brcmu_pkt_buf_get_skb(nbytes);
 	if (!mypkt) {
-		brcmf_dbg(ERROR, "brcmu_pkt_buf_get_skb failed: len %d\n",
+		brcmf_err("brcmu_pkt_buf_get_skb failed: len %d\n",
 			  nbytes);
 		return -EIO;
 	}
@@ -472,7 +471,7 @@ int brcmf_sdcard_rwdata(struct brcmf_sdio_dev *sdiodev, uint rw, u32 addr,
 
 	mypkt = brcmu_pkt_buf_get_skb(nbytes);
 	if (!mypkt) {
-		brcmf_dbg(ERROR, "brcmu_pkt_buf_get_skb failed: len %d\n",
+		brcmf_err("brcmu_pkt_buf_get_skb failed: len %d\n",
 			  nbytes);
 		return -EIO;
 	}
@@ -519,7 +518,7 @@ int brcmf_sdio_probe(struct brcmf_sdio_dev *sdiodev)
 	/* try to attach to the target device */
 	sdiodev->bus = brcmf_sdbrcm_probe(regs, sdiodev);
 	if (!sdiodev->bus) {
-		brcmf_dbg(ERROR, "device attach failed\n");
+		brcmf_err("device attach failed\n");
 		ret = -ENODEV;
 		goto out;
 	}

drivers/net/wireless/brcm80211/brcmfmac/bcmsdh_sdmmc.c

@@ -107,15 +107,13 @@ static inline int brcmf_sdioh_f0_write_byte(struct brcmf_sdio_dev *sdiodev,
 				/* Enable Function 2 */
 				err_ret = sdio_enable_func(sdfunc);
 				if (err_ret)
-					brcmf_dbg(ERROR,
-						  "enable F2 failed:%d\n",
+					brcmf_err("enable F2 failed:%d\n",
 						  err_ret);
 			} else {
 				/* Disable Function 2 */
 				err_ret = sdio_disable_func(sdfunc);
 				if (err_ret)
-					brcmf_dbg(ERROR,
-						  "Disable F2 failed:%d\n",
+					brcmf_err("Disable F2 failed:%d\n",
 						  err_ret);
 			}
 		}
@@ -129,7 +127,7 @@ static inline int brcmf_sdioh_f0_write_byte(struct brcmf_sdio_dev *sdiodev,
 		sdio_writeb(sdfunc, *byte, regaddr, &err_ret);
 		kfree(sdfunc);
 	} else if (regaddr < 0xF0) {
-		brcmf_dbg(ERROR, "F0 Wr:0x%02x: write disallowed\n", regaddr);
+		brcmf_err("F0 Wr:0x%02x: write disallowed\n", regaddr);
 		err_ret = -EPERM;
 	} else {
 		sdio_f0_writeb(sdfunc, *byte, regaddr, &err_ret);
@@ -166,7 +164,7 @@ int brcmf_sdioh_request_byte(struct brcmf_sdio_dev *sdiodev, uint rw, uint func,
 	}
 
 	if (err_ret)
-		brcmf_dbg(ERROR, "Failed to %s byte F%d:@0x%05x=%02x, Err: %d\n",
+		brcmf_err("Failed to %s byte F%d:@0x%05x=%02x, Err: %d\n",
 			  rw ? "write" : "read", func, regaddr, *byte, err_ret);
 
 	return err_ret;
@@ -179,7 +177,7 @@ int brcmf_sdioh_request_word(struct brcmf_sdio_dev *sdiodev,
 	int err_ret = -EIO;
 
 	if (func == 0) {
-		brcmf_dbg(ERROR, "Only CMD52 allowed to F0\n");
+		brcmf_err("Only CMD52 allowed to F0\n");
 		return -EINVAL;
 	}
 
@@ -198,7 +196,7 @@ int brcmf_sdioh_request_word(struct brcmf_sdio_dev *sdiodev,
 			sdio_writew(sdiodev->func[func], (*word & 0xFFFF),
 				    addr, &err_ret);
 		else
-			brcmf_dbg(ERROR, "Invalid nbytes: %d\n", nbytes);
+			brcmf_err("Invalid nbytes: %d\n", nbytes);
 	} else {		/* CMD52 Read */
 		if (nbytes == 4)
 			*word = sdio_readl(sdiodev->func[func], addr, &err_ret);
@@ -206,11 +204,11 @@ int brcmf_sdioh_request_word(struct brcmf_sdio_dev *sdiodev,
 			*word = sdio_readw(sdiodev->func[func], addr,
 					   &err_ret) & 0xFFFF;
 		else
-			brcmf_dbg(ERROR, "Invalid nbytes: %d\n", nbytes);
+			brcmf_err("Invalid nbytes: %d\n", nbytes);
 	}
 
 	if (err_ret)
-		brcmf_dbg(ERROR, "Failed to %s word, Err: 0x%08x\n",
+		brcmf_err("Failed to %s word, Err: 0x%08x\n",
 			  rw ? "write" : "read", err_ret);
 
 	return err_ret;
@@ -270,7 +268,7 @@ brcmf_sdioh_request_chain(struct brcmf_sdio_dev *sdiodev, uint fix_inc,
 		err_ret = brcmf_sdioh_request_data(sdiodev, write, fifo, func,
 						   addr, pkt, pkt_len);
 		if (err_ret) {
-			brcmf_dbg(ERROR, "%s FAILED %p[%d], addr=0x%05x, pkt_len=%d, ERR=0x%08x\n",
+			brcmf_err("%s FAILED %p[%d], addr=0x%05x, pkt_len=%d, ERR=0x%08x\n",
 				  write ? "TX" : "RX", pkt, SGCount, addr,
 				  pkt_len, err_ret);
 		} else {
@@ -315,7 +313,7 @@ int brcmf_sdioh_request_buffer(struct brcmf_sdio_dev *sdiodev,
 	status = brcmf_sdioh_request_data(sdiodev, write, fifo, func,
 					   addr, pkt, pkt_len);
 	if (status) {
-		brcmf_dbg(ERROR, "%s FAILED %p, addr=0x%05x, pkt_len=%d, ERR=0x%08x\n",
+		brcmf_err("%s FAILED %p, addr=0x%05x, pkt_len=%d, ERR=0x%08x\n",
 			  write ? "TX" : "RX", pkt, addr, pkt_len, status);
 	} else {
 		brcmf_dbg(TRACE, "%s xfr'd %p, addr=0x%05x, len=%d\n",
@@ -336,7 +334,7 @@ static int brcmf_sdioh_get_cisaddr(struct brcmf_sdio_dev *sdiodev, u32 regaddr)
 	for (i = 0; i < 3; i++) {
 		regdata = brcmf_sdio_regrl(sdiodev, regaddr, &ret);
 		if (ret != 0)
-			brcmf_dbg(ERROR, "Can't read!\n");
+			brcmf_err("Can't read!\n");
 
 		*ptr++ = (u8) regdata;
 		regaddr++;
@@ -374,7 +372,7 @@ static int brcmf_sdioh_enablefuncs(struct brcmf_sdio_dev *sdiodev)
 	/* Enable Function 1 */
 	err_ret = sdio_enable_func(sdiodev->func[1]);
 	if (err_ret)
-		brcmf_dbg(ERROR, "Failed to enable F1 Err: 0x%08x\n", err_ret);
+		brcmf_err("Failed to enable F1 Err: 0x%08x\n", err_ret);
 
 	return false;
 }
@@ -394,13 +392,13 @@ int brcmf_sdioh_attach(struct brcmf_sdio_dev *sdiodev)
 
 	err_ret = sdio_set_block_size(sdiodev->func[1], SDIO_FUNC1_BLOCKSIZE);
 	if (err_ret) {
-		brcmf_dbg(ERROR, "Failed to set F1 blocksize\n");
+		brcmf_err("Failed to set F1 blocksize\n");
 		goto out;
 	}
 
 	err_ret = sdio_set_block_size(sdiodev->func[2], SDIO_FUNC2_BLOCKSIZE);
 	if (err_ret) {
-		brcmf_dbg(ERROR, "Failed to set F2 blocksize\n");
+		brcmf_err("Failed to set F2 blocksize\n");
 		goto out;
 	}
 
@@ -434,7 +432,7 @@ static int brcmf_sdio_getintrcfg(struct brcmf_sdio_dev *sdiodev)
 	struct brcmf_sdio_oobirq *oobirq_entry;
 
 	if (list_empty(&oobirq_lh)) {
-		brcmf_dbg(ERROR, "no valid oob irq resource\n");
+		brcmf_err("no valid oob irq resource\n");
 		return -ENXIO;
 	}
 
@@ -508,7 +506,7 @@ static int brcmf_ops_sdio_probe(struct sdio_func *func,
 	brcmf_dbg(TRACE, "F2 found, calling brcmf_sdio_probe...\n");
 	err = brcmf_sdio_probe(sdiodev);
 	if (err) {
-		brcmf_dbg(ERROR, "F2 error, probe failed %d...\n", err);
+		brcmf_err("F2 error, probe failed %d...\n", err);
 		goto fail;
 	}
 	brcmf_dbg(TRACE, "F2 init completed...\n");
@@ -564,13 +562,13 @@ static int brcmf_sdio_suspend(struct device *dev)
 
 	sdio_flags = sdio_get_host_pm_caps(sdiodev->func[1]);
 	if (!(sdio_flags & MMC_PM_KEEP_POWER)) {
-		brcmf_dbg(ERROR, "Host can't keep power while suspended\n");
+		brcmf_err("Host can't keep power while suspended\n");
 		return -EINVAL;
 	}
 
 	ret = sdio_set_host_pm_flags(sdiodev->func[1], MMC_PM_KEEP_POWER);
 	if (ret) {
-		brcmf_dbg(ERROR, "Failed to set pm_flags\n");
+		brcmf_err("Failed to set pm_flags\n");
 		return ret;
 	}
 
@@ -635,7 +633,7 @@ static int brcmf_sdio_pd_probe(struct platform_device *pdev)
 	ret = sdio_register_driver(&brcmf_sdmmc_driver);
 
 	if (ret)
-		brcmf_dbg(ERROR, "sdio_register_driver failed: %d\n", ret);
+		brcmf_err("sdio_register_driver failed: %d\n", ret);
 
 	return ret;
 }
@@ -665,7 +663,7 @@ void brcmf_sdio_init(void)
 	ret = platform_driver_register(&brcmf_sdio_pd);
 
 	if (ret)
-		brcmf_dbg(ERROR, "platform_driver_register failed: %d\n", ret);
+		brcmf_err("platform_driver_register failed: %d\n", ret);
 }
 #else
 void brcmf_sdio_exit(void)
@@ -684,6 +682,6 @@ void brcmf_sdio_init(void)
 	ret = sdio_register_driver(&brcmf_sdmmc_driver);
 
 	if (ret)
-		brcmf_dbg(ERROR, "sdio_register_driver failed: %d\n", ret);
+		brcmf_err("sdio_register_driver failed: %d\n", ret);
 }
 #endif		/* CONFIG_BRCMFMAC_SDIO_OOB */

drivers/net/wireless/brcm80211/brcmfmac/dhd_cdc.c

@@ -176,7 +176,7 @@ brcmf_proto_cdc_query_dcmd(struct brcmf_pub *drvr, int ifidx, uint cmd,
 
 	ret = brcmf_proto_cdc_msg(drvr);
 	if (ret < 0) {
-		brcmf_dbg(ERROR, "brcmf_proto_cdc_msg failed w/status %d\n",
+		brcmf_err("brcmf_proto_cdc_msg failed w/status %d\n",
 			  ret);
 		goto done;
 	}
@@ -193,7 +193,7 @@ brcmf_proto_cdc_query_dcmd(struct brcmf_pub *drvr, int ifidx, uint cmd,
 	if ((id < prot->reqid) && (++retries < RETRIES))
 		goto retry;
 	if (id != prot->reqid) {
-		brcmf_dbg(ERROR, "%s: unexpected request id %d (expected %d)\n",
+		brcmf_err("%s: unexpected request id %d (expected %d)\n",
 			  brcmf_ifname(drvr, ifidx), id, prot->reqid);
 		ret = -EINVAL;
 		goto done;
@@ -255,7 +255,7 @@ int brcmf_proto_cdc_set_dcmd(struct brcmf_pub *drvr, int ifidx, uint cmd,
 	id = (flags & CDC_DCMD_ID_MASK) >> CDC_DCMD_ID_SHIFT;
 
 	if (id != prot->reqid) {
-		brcmf_dbg(ERROR, "%s: unexpected request id %d (expected %d)\n",
+		brcmf_err("%s: unexpected request id %d (expected %d)\n",
 			  brcmf_ifname(drvr, ifidx), id, prot->reqid);
 		ret = -EINVAL;
 		goto done;
@@ -317,7 +317,7 @@ int brcmf_proto_hdrpull(struct device *dev, int *ifidx,
 	/* Pop BDC header used to convey priority for buses that don't */
 
 	if (pktbuf->len < BDC_HEADER_LEN) {
-		brcmf_dbg(ERROR, "rx data too short (%d < %d)\n",
+		brcmf_err("rx data too short (%d < %d)\n",
 			  pktbuf->len, BDC_HEADER_LEN);
 		return -EBADE;
 	}
@@ -326,13 +326,13 @@ int brcmf_proto_hdrpull(struct device *dev, int *ifidx,
 
 	*ifidx = BDC_GET_IF_IDX(h);
 	if (*ifidx >= BRCMF_MAX_IFS) {
-		brcmf_dbg(ERROR, "rx data ifnum out of range (%d)\n", *ifidx);
+		brcmf_err("rx data ifnum out of range (%d)\n", *ifidx);
 		return -EBADE;
 	}
 
 	if (((h->flags & BDC_FLAG_VER_MASK) >> BDC_FLAG_VER_SHIFT) !=
 	    BDC_PROTO_VER) {
-		brcmf_dbg(ERROR, "%s: non-BDC packet received, flags 0x%x\n",
+		brcmf_err("%s: non-BDC packet received, flags 0x%x\n",
 			  brcmf_ifname(drvr, *ifidx), h->flags);
 		return -EBADE;
 	}
@@ -361,7 +361,7 @@ int brcmf_proto_attach(struct brcmf_pub *drvr)
 
 	/* ensure that the msg buf directly follows the cdc msg struct */
 	if ((unsigned long)(&cdc->msg + 1) != (unsigned long)cdc->buf) {
-		brcmf_dbg(ERROR, "struct brcmf_proto is not correctly defined\n");
+		brcmf_err("struct brcmf_proto is not correctly defined\n");
 		goto fail;
 	}
 

drivers/net/wireless/brcm80211/brcmfmac/dhd_common.c

@@ -80,7 +80,7 @@ bool brcmf_c_prec_enq(struct device *dev, struct pktq *q,
 		p = discard_oldest ? brcmu_pktq_pdeq(q, eprec) :
 			brcmu_pktq_pdeq_tail(q, eprec);
 		if (p == NULL)
-			brcmf_dbg(ERROR, "brcmu_pktq_penq() failed, oldest %d\n",
+			brcmf_err("brcmu_pktq_penq() failed, oldest %d\n",
 				  discard_oldest);
 
 		brcmu_pkt_buf_free_skb(p);
@@ -89,7 +89,7 @@ bool brcmf_c_prec_enq(struct device *dev, struct pktq *q,
 	/* Enqueue */
 	p = brcmu_pktq_penq(q, prec, pkt);
 	if (p == NULL)
-		brcmf_dbg(ERROR, "brcmu_pktq_penq() failed\n");
+		brcmf_err("brcmu_pktq_penq() failed\n");
 
 	return p != NULL;
 }
@@ -99,12 +99,12 @@ static int brcmf_c_pattern_atoh(char *src, char *dst)
 {
 	int i;
 	if (strncmp(src, "0x", 2) != 0 && strncmp(src, "0X", 2) != 0) {
-		brcmf_dbg(ERROR, "Mask invalid format. Needs to start with 0x\n");
+		brcmf_err("Mask invalid format. Needs to start with 0x\n");
 		return -EINVAL;
 	}
 	src = src + 2;		/* Skip past 0x */
 	if (strlen(src) % 2 != 0) {
-		brcmf_dbg(ERROR, "Mask invalid format. Length must be even.\n");
+		brcmf_err("Mask invalid format. Length must be even.\n");
 		return -EINVAL;
 	}
 	for (i = 0; *src != '\0'; i++) {
@@ -139,7 +139,7 @@ brcmf_c_pktfilter_offload_enable(struct brcmf_if *ifp, char *arg, int enable,
 	argv = strsep(&arg_save, " ");
 
 	if (argv == NULL) {
-		brcmf_dbg(ERROR, "No args provided\n");
+		brcmf_err("No args provided\n");
 		goto fail;
 	}
 
@@ -154,12 +154,12 @@ brcmf_c_pktfilter_offload_enable(struct brcmf_if *ifp, char *arg, int enable,
 	err = brcmf_fil_iovar_data_set(ifp, "pkt_filter_enable", &enable_parm,
 				       sizeof(enable_parm));
 	if (err)
-		brcmf_dbg(ERROR, "Set pkt_filter_enable error (%d)\n", err);
+		brcmf_err("Set pkt_filter_enable error (%d)\n", err);
 
 	/* Control the master mode */
 	err = brcmf_fil_iovar_int_set(ifp, "pkt_filter_mode", master_mode);
 	if (err)
-		brcmf_dbg(ERROR, "Set pkt_filter_mode error (%d)\n", err);
+		brcmf_err("Set pkt_filter_mode error (%d)\n", err);
 
 fail:
 	kfree(arg_org);
@@ -191,14 +191,14 @@ static void brcmf_c_pktfilter_offload_set(struct brcmf_if *ifp, char *arg)
 	while (argv[i]) {
 		i++;
 		if (i >= 8) {
-			brcmf_dbg(ERROR, "Too many parameters\n");
+			brcmf_err("Too many parameters\n");
 			goto fail;
 		}
 		argv[i] = strsep(&arg_save, " ");
 	}
 
 	if (i != 6) {
-		brcmf_dbg(ERROR, "Not enough args provided %d\n", i);
+		brcmf_err("Not enough args provided %d\n", i);
 		goto fail;
 	}
 
@@ -233,7 +233,7 @@ static void brcmf_c_pktfilter_offload_set(struct brcmf_if *ifp, char *arg)
 		(char *)&pkt_filter->u.pattern.mask_and_pattern[mask_size]);
 
 	if (mask_size != pattern_size) {
-		brcmf_dbg(ERROR, "Mask and pattern not the same size\n");
+		brcmf_err("Mask and pattern not the same size\n");
 		goto fail;
 	}
 
@@ -245,7 +245,7 @@ static void brcmf_c_pktfilter_offload_set(struct brcmf_if *ifp, char *arg)
 	err = brcmf_fil_iovar_data_set(ifp, "pkt_filter_add", pkt_filter,
 				       buf_len);
 	if (err)
-		brcmf_dbg(ERROR, "Set pkt_filter_add error (%d)\n", err);
+		brcmf_err("Set pkt_filter_add error (%d)\n", err);
 
 fail:
 	kfree(arg_org);
@@ -266,7 +266,7 @@ int brcmf_c_preinit_dcmds(struct brcmf_if *ifp)
 	err = brcmf_fil_iovar_data_get(ifp, "cur_etheraddr", ifp->mac_addr,
 				       sizeof(ifp->mac_addr));
 	if (err < 0) {
-		brcmf_dbg(ERROR, "Retreiving cur_etheraddr failed, %d\n",
+		brcmf_err("Retreiving cur_etheraddr failed, %d\n",
 			  err);
 		goto done;
 	}
@@ -277,14 +277,14 @@ int brcmf_c_preinit_dcmds(struct brcmf_if *ifp)
 	strcpy(buf, "ver");
 	err = brcmf_fil_iovar_data_get(ifp, "ver", buf, sizeof(buf));
 	if (err < 0) {
-		brcmf_dbg(ERROR, "Retreiving version information failed, %d\n",
+		brcmf_err("Retreiving version information failed, %d\n",
 			  err);
 		goto done;
 	}
 	ptr = (char *)buf;
 	strsep(&ptr, "\n");
 	/* Print fw version info */
-	brcmf_dbg(ERROR, "Firmware version = %s\n", buf);
+	brcmf_err("Firmware version = %s\n", buf);
 
 	/*
 	 * Setup timeout if Beacons are lost and roam is off to report
@@ -293,7 +293,7 @@ int brcmf_c_preinit_dcmds(struct brcmf_if *ifp)
 	err = brcmf_fil_iovar_int_set(ifp, "bcn_timeout",
 				      BRCMF_DEFAULT_BCN_TIMEOUT);
 	if (err) {
-		brcmf_dbg(ERROR, "bcn_timeout error (%d)\n", err);
+		brcmf_err("bcn_timeout error (%d)\n", err);
 		goto done;
 	}
 
@@ -302,7 +302,7 @@ int brcmf_c_preinit_dcmds(struct brcmf_if *ifp)
 	 */
 	err = brcmf_fil_iovar_int_set(ifp, "roam_off", 1);
 	if (err) {
-		brcmf_dbg(ERROR, "roam_off error (%d)\n", err);
+		brcmf_err("roam_off error (%d)\n", err);
 		goto done;
 	}
 
@@ -310,14 +310,14 @@ int brcmf_c_preinit_dcmds(struct brcmf_if *ifp)
 	err = brcmf_fil_iovar_data_get(ifp, "event_msgs", eventmask,
 				       BRCMF_EVENTING_MASK_LEN);
 	if (err) {
-		brcmf_dbg(ERROR, "Get event_msgs error (%d)\n", err);
+		brcmf_err("Get event_msgs error (%d)\n", err);
 		goto done;
 	}
 	setbit(eventmask, BRCMF_E_IF);
 	err = brcmf_fil_iovar_data_set(ifp, "event_msgs", eventmask,
 				       BRCMF_EVENTING_MASK_LEN);
 	if (err) {
-		brcmf_dbg(ERROR, "Set event_msgs error (%d)\n", err);
+		brcmf_err("Set event_msgs error (%d)\n", err);
 		goto done;
 	}
 
@@ -325,7 +325,7 @@ int brcmf_c_preinit_dcmds(struct brcmf_if *ifp)
 	err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_SCAN_CHANNEL_TIME,
 				    BRCMF_DEFAULT_SCAN_CHANNEL_TIME);
 	if (err) {
-		brcmf_dbg(ERROR, "BRCMF_C_SET_SCAN_CHANNEL_TIME error (%d)\n",
+		brcmf_err("BRCMF_C_SET_SCAN_CHANNEL_TIME error (%d)\n",
 			  err);
 		goto done;
 	}
@@ -334,7 +334,7 @@ int brcmf_c_preinit_dcmds(struct brcmf_if *ifp)
 	err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_SCAN_UNASSOC_TIME,
 				    BRCMF_DEFAULT_SCAN_UNASSOC_TIME);
 	if (err) {
-		brcmf_dbg(ERROR, "BRCMF_C_SET_SCAN_UNASSOC_TIME error (%d)\n",
+		brcmf_err("BRCMF_C_SET_SCAN_UNASSOC_TIME error (%d)\n",
 			  err);
 		goto done;
 	}

drivers/net/wireless/brcm80211/brcmfmac/dhd_dbg.h

@@ -18,7 +18,6 @@
 #define _BRCMF_DBG_H_
 
 /* message levels */
-#define BRCMF_ERROR_VAL	0x0001
 #define BRCMF_TRACE_VAL	0x0002
 #define BRCMF_INFO_VAL	0x0004
 #define BRCMF_DATA_VAL	0x0008
@@ -33,22 +32,26 @@
 #define BRCMF_FIL_VAL	0x1000
 #define BRCMF_USB_VAL	0x2000
 
+/* Macro for error messages. net_ratelimit() is used when driver
+ * debugging is not selected. When debugging the driver error
+ * messages are as important as other tracing or even more so.
+ */
+#ifdef CONFIG_BRCMDBG
+#define brcmf_err(fmt, ...)	pr_err("%s: " fmt, __func__, ##__VA_ARGS__)
+#else
+#define brcmf_err(fmt, ...)						\
+	do {								\
+		if (net_ratelimit())					\
+			pr_err("%s: " fmt, __func__, ##__VA_ARGS__);	\
+	} while (0)
+#endif
+
 #if defined(DEBUG)
 
 #define brcmf_dbg(level, fmt, ...)				\
 do {								\
-	if (BRCMF_ERROR_VAL == BRCMF_##level##_VAL) {			\
-		if (brcmf_msg_level & BRCMF_##level##_VAL) {		\
-			if (net_ratelimit())				\
-				pr_debug("%s: " fmt,			\
-					 __func__, ##__VA_ARGS__);	\
-		}							\
-	} else {							\
-		if (brcmf_msg_level & BRCMF_##level##_VAL) {		\
-			pr_debug("%s: " fmt,				\
-				 __func__, ##__VA_ARGS__);		\
-		}							\
-	}								\
+	if (brcmf_msg_level & BRCMF_##level##_VAL)		\
+		pr_debug("%s: " fmt, __func__, ##__VA_ARGS__);	\
 } while (0)
 
 #define BRCMF_DATA_ON()		(brcmf_msg_level & BRCMF_DATA_VAL)

drivers/net/wireless/brcm80211/brcmfmac/dhd_linux.c

@@ -39,19 +39,19 @@ MODULE_LICENSE("Dual BSD/GPL");
 #define MAX_WAIT_FOR_8021X_TX		50	/* msecs */
 
 /* Error bits */
-int brcmf_msg_level = BRCMF_ERROR_VAL;
+int brcmf_msg_level;
 module_param(brcmf_msg_level, int, 0);
 
 
 char *brcmf_ifname(struct brcmf_pub *drvr, int ifidx)
 {
 	if (ifidx < 0 || ifidx >= BRCMF_MAX_IFS) {
-		brcmf_dbg(ERROR, "ifidx %d out of range\n", ifidx);
+		brcmf_err("ifidx %d out of range\n", ifidx);
 		return "<if_bad>";
 	}
 
 	if (drvr->iflist[ifidx] == NULL) {
-		brcmf_dbg(ERROR, "null i/f %d\n", ifidx);
+		brcmf_err("null i/f %d\n", ifidx);
 		return "<if_null>";
 	}
 
@@ -102,7 +102,7 @@ static void _brcmf_set_multicast_list(struct work_struct *work)
 
 	err = brcmf_fil_iovar_data_set(ifp, "mcast_list", buf, buflen);
 	if (err < 0) {
-		brcmf_dbg(ERROR, "Setting mcast_list failed, %d\n", err);
+		brcmf_err("Setting mcast_list failed, %d\n", err);
 		cmd_value = cnt ? true : cmd_value;
 	}
 
@@ -115,13 +115,13 @@ static void _brcmf_set_multicast_list(struct work_struct *work)
 	 */
 	err = brcmf_fil_iovar_int_set(ifp, "allmulti", cmd_value);
 	if (err < 0)
-		brcmf_dbg(ERROR, "Setting allmulti failed, %d\n", err);
+		brcmf_err("Setting allmulti failed, %d\n", err);
 
 	/*Finally, pick up the PROMISC flag */
 	cmd_value = (ndev->flags & IFF_PROMISC) ? true : false;
 	err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_PROMISC, cmd_value);
 	if (err < 0)
-		brcmf_dbg(ERROR, "Setting BRCMF_C_SET_PROMISC failed, %d\n",
+		brcmf_err("Setting BRCMF_C_SET_PROMISC failed, %d\n",
 			  err);
 }
 
@@ -137,7 +137,7 @@ _brcmf_set_mac_address(struct work_struct *work)
 	err = brcmf_fil_iovar_data_set(ifp, "cur_etheraddr", ifp->mac_addr,
 				       ETH_ALEN);
 	if (err < 0) {
-		brcmf_dbg(ERROR, "Setting cur_etheraddr failed, %d\n", err);
+		brcmf_err("Setting cur_etheraddr failed, %d\n", err);
 	} else {
 		brcmf_dbg(TRACE, "MAC address updated to %pM\n",
 			  ifp->mac_addr);
@@ -173,7 +173,7 @@ static int brcmf_netdev_start_xmit(struct sk_buff *skb, struct net_device *ndev)
 	/* Reject if down */
 	if (!drvr->bus_if->drvr_up ||
 	    (drvr->bus_if->state != BRCMF_BUS_DATA)) {
-		brcmf_dbg(ERROR, "xmit rejected drvup=%d state=%d\n",
+		brcmf_err("xmit rejected drvup=%d state=%d\n",
 			  drvr->bus_if->drvr_up,
 			  drvr->bus_if->state);
 		netif_stop_queue(ndev);
@@ -181,7 +181,7 @@ static int brcmf_netdev_start_xmit(struct sk_buff *skb, struct net_device *ndev)
 	}
 
 	if (!drvr->iflist[ifp->idx]) {
-		brcmf_dbg(ERROR, "bad ifidx %d\n", ifp->idx);
+		brcmf_err("bad ifidx %d\n", ifp->idx);
 		netif_stop_queue(ndev);
 		return -ENODEV;
 	}
@@ -197,7 +197,7 @@ static int brcmf_netdev_start_xmit(struct sk_buff *skb, struct net_device *ndev)
 		dev_kfree_skb(skb);
 		skb = skb2;
 		if (skb == NULL) {
-			brcmf_dbg(ERROR, "%s: skb_realloc_headroom failed\n",
+			brcmf_err("%s: skb_realloc_headroom failed\n",
 				  brcmf_ifname(drvr, ifp->idx));
 			ret = -ENOMEM;
 			goto done;
@@ -377,13 +377,13 @@ static int brcmf_toe_set(struct brcmf_if *ifp, u32 toe_ol)
 
 	err = brcmf_fil_iovar_int_set(ifp, "toe_ol", toe_ol);
 	if (err < 0) {
-		brcmf_dbg(ERROR, "Setting toe_ol failed, %d\n", err);
+		brcmf_err("Setting toe_ol failed, %d\n", err);
 		return err;
 	}
 
 	err = brcmf_fil_iovar_int_set(ifp, "toe", (toe_ol != 0));
 	if (err < 0)
-		brcmf_dbg(ERROR, "Setting toe failed, %d\n", err);
+		brcmf_err("Setting toe failed, %d\n", err);
 
 	return err;
 
@@ -440,7 +440,7 @@ static int brcmf_ethtool(struct brcmf_if *ifp, void __user *uaddr)
 
 		/* otherwise, require dongle to be up */
 		else if (!drvr->bus_if->drvr_up) {
-			brcmf_dbg(ERROR, "dongle is not up\n");
+			brcmf_err("dongle is not up\n");
 			return -ENODEV;
 		}
 		/* finally, report dongle driver type */
@@ -559,7 +559,7 @@ static int brcmf_netdev_open(struct net_device *ndev)
 
 	/* If bus is not ready, can't continue */
 	if (bus_if->state != BRCMF_BUS_DATA) {
-		brcmf_dbg(ERROR, "failed bus is not ready\n");
+		brcmf_err("failed bus is not ready\n");
 		return -EAGAIN;
 	}
 
@@ -583,7 +583,7 @@ static int brcmf_netdev_open(struct net_device *ndev)
 	netif_start_queue(ndev);
 	drvr->bus_if->drvr_up = true;
 	if (brcmf_cfg80211_up(ndev)) {
-		brcmf_dbg(ERROR, "failed to bring up cfg80211\n");
+		brcmf_err("failed to bring up cfg80211\n");
 		return -1;
 	}
 
@@ -634,7 +634,7 @@ int brcmf_net_attach(struct brcmf_if *ifp)
 	memcpy(ndev->dev_addr, ifp->mac_addr, ETH_ALEN);
 
 	if (register_netdev(ndev) != 0) {
-		brcmf_dbg(ERROR, "couldn't register the net device\n");
+		brcmf_err("couldn't register the net device\n");
 		goto fail;
 	}
 
@@ -662,7 +662,7 @@ struct brcmf_if *brcmf_add_if(struct brcmf_pub *drvr, int ifidx, s32 bssidx,
 	 * in case we missed the BRCMF_E_IF_DEL event.
 	 */
 	if (ifp) {
-		brcmf_dbg(ERROR, "ERROR: netdev:%s already exists\n",
+		brcmf_err("ERROR: netdev:%s already exists\n",
 			  ifp->ndev->name);
 		if (ifidx) {
 			netif_stop_queue(ifp->ndev);
@@ -670,7 +670,7 @@ struct brcmf_if *brcmf_add_if(struct brcmf_pub *drvr, int ifidx, s32 bssidx,
 			free_netdev(ifp->ndev);
 			drvr->iflist[ifidx] = NULL;
 		} else {
-			brcmf_dbg(ERROR, "ignore IF event\n");
+			brcmf_err("ignore IF event\n");
 			return ERR_PTR(-EINVAL);
 		}
 	}
@@ -678,7 +678,7 @@ struct brcmf_if *brcmf_add_if(struct brcmf_pub *drvr, int ifidx, s32 bssidx,
 	/* Allocate netdev, including space for private structure */
 	ndev = alloc_netdev(sizeof(struct brcmf_if), name, ether_setup);
 	if (!ndev) {
-		brcmf_dbg(ERROR, "OOM - alloc_netdev\n");
+		brcmf_err("OOM - alloc_netdev\n");
 		return ERR_PTR(-ENOMEM);
 	}
 
@@ -710,7 +710,7 @@ void brcmf_del_if(struct brcmf_pub *drvr, int ifidx)
 
 	ifp = drvr->iflist[ifidx];
 	if (!ifp) {
-		brcmf_dbg(ERROR, "Null interface\n");
+		brcmf_err("Null interface\n");
 		return;
 	}
 	if (ifp->ndev) {
@@ -760,7 +760,7 @@ int brcmf_attach(uint bus_hdrlen, struct device *dev)
 	/* Attach and link in the protocol */
 	ret = brcmf_proto_attach(drvr);
 	if (ret != 0) {
-		brcmf_dbg(ERROR, "brcmf_prot_attach failed\n");
+		brcmf_err("brcmf_prot_attach failed\n");
 		goto fail;
 	}
 
@@ -791,7 +791,7 @@ int brcmf_bus_start(struct device *dev)
 	/* Bring up the bus */
 	ret = brcmf_bus_init(bus_if);
 	if (ret != 0) {
-		brcmf_dbg(ERROR, "brcmf_sdbrcm_bus_init failed %d\n", ret);
+		brcmf_err("brcmf_sdbrcm_bus_init failed %d\n", ret);
 		return ret;
 	}
 
@@ -821,7 +821,7 @@ int brcmf_bus_start(struct device *dev)
 	ret = brcmf_net_attach(ifp);
 fail:
 	if (ret < 0) {
-		brcmf_dbg(ERROR, "failed: %d\n", ret);
+		brcmf_err("failed: %d\n", ret);
 		if (drvr->config)
 			brcmf_cfg80211_detach(drvr->config);
 		free_netdev(drvr->iflist[0]->ndev);

drivers/net/wireless/brcm80211/brcmfmac/fweh.c

@@ -157,9 +157,9 @@ static int brcmf_fweh_call_event_handler(struct brcmf_if *ifp,
 		if (ifp->ndev && fweh->evt_handler[code])
 			err = fweh->evt_handler[code](ifp, emsg, data);
 		else
-			brcmf_dbg(ERROR, "unhandled event %d ignored\n", code);
+			brcmf_err("unhandled event %d ignored\n", code);
 	} else {
-		brcmf_dbg(ERROR, "no interface object\n");
+		brcmf_err("no interface object\n");
 	}
 	return err;
 }
@@ -184,7 +184,7 @@ static void brcmf_fweh_handle_if_event(struct brcmf_pub *drvr,
 		  ifevent->bssidx, ifevent->flags);
 
 	if (ifevent->ifidx >= BRCMF_MAX_IFS) {
-		brcmf_dbg(ERROR, "invalid interface index: %u\n",
+		brcmf_err("invalid interface index: %u\n",
 			  ifevent->ifidx);
 		return;
 	}
@@ -286,7 +286,7 @@ static void brcmf_fweh_event_worker(struct work_struct *work)
 		err = brcmf_fweh_call_event_handler(ifp, event->code, &emsg,
 						    event->data);
 		if (err) {
-			brcmf_dbg(ERROR, "event handler failed (%d)\n",
+			brcmf_err("event handler failed (%d)\n",
 				  event->code);
 			err = 0;
 		}
@@ -343,7 +343,7 @@ int brcmf_fweh_register(struct brcmf_pub *drvr, enum brcmf_fweh_event_code code,
 			brcmf_fweh_handler_t handler)
 {
 	if (drvr->fweh.evt_handler[code]) {
-		brcmf_dbg(ERROR, "event code %d already registered\n", code);
+		brcmf_err("event code %d already registered\n", code);
 		return -ENOSPC;
 	}
 	drvr->fweh.evt_handler[code] = handler;
@@ -391,7 +391,7 @@ int brcmf_fweh_activate_events(struct brcmf_if *ifp)
 	err = brcmf_fil_iovar_data_set(ifp, "event_msgs",
 				       eventmask, BRCMF_EVENTING_MASK_LEN);
 	if (err)
-		brcmf_dbg(ERROR, "Set event_msgs error (%d)\n", err);
+		brcmf_err("Set event_msgs error (%d)\n", err);
 
 	return err;
 }

drivers/net/wireless/brcm80211/brcmfmac/fwil.c

@@ -38,7 +38,7 @@ brcmf_fil_cmd_data(struct brcmf_if *ifp, u32 cmd, void *data, u32 len, bool set)
 	s32 err;
 
 	if (drvr->bus_if->state != BRCMF_BUS_DATA) {
-		brcmf_dbg(ERROR, "bus is down. we have nothing to do.\n");
+		brcmf_err("bus is down. we have nothing to do.\n");
 		return -EIO;
 	}
 
@@ -53,7 +53,7 @@ brcmf_fil_cmd_data(struct brcmf_if *ifp, u32 cmd, void *data, u32 len, bool set)
 	if (err >= 0)
 		err = 0;
 	else
-		brcmf_dbg(ERROR, "Failed err=%d\n", err);
+		brcmf_err("Failed err=%d\n", err);
 
 	return err;
 }
@@ -161,7 +161,7 @@ brcmf_fil_iovar_data_set(struct brcmf_if *ifp, char *name, void *data,
 					 buflen, true);
 	} else {
 		err = -EPERM;
-		brcmf_dbg(ERROR, "Creating iovar failed\n");
+		brcmf_err("Creating iovar failed\n");
 	}
 
 	mutex_unlock(&drvr->proto_block);
@@ -187,7 +187,7 @@ brcmf_fil_iovar_data_get(struct brcmf_if *ifp, char *name, void *data,
 			memcpy(data, drvr->proto_buf, len);
 	} else {
 		err = -EPERM;
-		brcmf_dbg(ERROR, "Creating iovar failed\n");
+		brcmf_err("Creating iovar failed\n");
 	}
 
 	brcmf_dbg(FIL, "name=%s, len=%d\n", name, len);
@@ -237,7 +237,7 @@ brcmf_create_bsscfg(s32 bssidx, char *name, char *data, u32 datalen, char *buf,
 	iolen = prefixlen + namelen + sizeof(bssidx_le) + datalen;
 
 	if (buflen < iolen) {
-		brcmf_dbg(ERROR, "buffer is too short\n");
+		brcmf_err("buffer is too short\n");
 		return 0;
 	}
 
@@ -284,7 +284,7 @@ brcmf_fil_bsscfg_data_set(struct brcmf_if *ifp, char *name,
 					 buflen, true);
 	} else {
 		err = -EPERM;
-		brcmf_dbg(ERROR, "Creating bsscfg failed\n");
+		brcmf_err("Creating bsscfg failed\n");
 	}
 
 	mutex_unlock(&drvr->proto_block);
@@ -310,7 +310,7 @@ brcmf_fil_bsscfg_data_get(struct brcmf_if *ifp, char *name,
 			memcpy(data, drvr->proto_buf, len);
 	} else {
 		err = -EPERM;
-		brcmf_dbg(ERROR, "Creating bsscfg failed\n");
+		brcmf_err("Creating bsscfg failed\n");
 	}
 	brcmf_dbg(FIL, "bssidx=%d, name=%s, len=%d\n", ifp->bssidx, name, len);
 	brcmf_dbg_hex_dump(BRCMF_FIL_ON(), data,

drivers/net/wireless/brcm80211/brcmfmac/sdio_chip.c

@@ -186,7 +186,7 @@ brcmf_sdio_sb_coredisable(struct brcmf_sdio_dev *sdiodev,
 					   CORE_SB(base, sbtmstatehigh),
 					   NULL);
 		if (regdata & SSB_TMSHIGH_BUSY)
-			brcmf_dbg(ERROR, "core state still busy\n");
+			brcmf_err("core state still busy\n");
 
 		regdata = brcmf_sdio_regrl(sdiodev, CORE_SB(base, sbidlow),
 					   NULL);
@@ -438,7 +438,7 @@ static int brcmf_sdio_chip_recognition(struct brcmf_sdio_dev *sdiodev,
 		ci->ramsize = 0x80000;
 		break;
 	default:
-		brcmf_dbg(ERROR, "chipid 0x%x is not supported\n", ci->chip);
+		brcmf_err("chipid 0x%x is not supported\n", ci->chip);
 		return -ENODEV;
 	}
 
@@ -456,7 +456,7 @@ static int brcmf_sdio_chip_recognition(struct brcmf_sdio_dev *sdiodev,
 		ci->resetcore = brcmf_sdio_ai_resetcore;
 		break;
 	default:
-		brcmf_dbg(ERROR, "socitype %u not supported\n", ci->socitype);
+		brcmf_err("socitype %u not supported\n", ci->socitype);
 		return -ENODEV;
 	}
 
@@ -473,7 +473,7 @@ brcmf_sdio_chip_buscoreprep(struct brcmf_sdio_dev *sdiodev)
 	clkset = SBSDIO_FORCE_HW_CLKREQ_OFF | SBSDIO_ALP_AVAIL_REQ;
 	brcmf_sdio_regwb(sdiodev, SBSDIO_FUNC1_CHIPCLKCSR, clkset, &err);
 	if (err) {
-		brcmf_dbg(ERROR, "error writing for HT off\n");
+		brcmf_err("error writing for HT off\n");
 		return err;
 	}
 
@@ -483,7 +483,7 @@ brcmf_sdio_chip_buscoreprep(struct brcmf_sdio_dev *sdiodev)
 				  SBSDIO_FUNC1_CHIPCLKCSR, NULL);
 
 	if ((clkval & ~SBSDIO_AVBITS) != clkset) {
-		brcmf_dbg(ERROR, "ChipClkCSR access: wrote 0x%02x read 0x%02x\n",
+		brcmf_err("ChipClkCSR access: wrote 0x%02x read 0x%02x\n",
 			  clkset, clkval);
 		return -EACCES;
 	}
@@ -493,7 +493,7 @@ brcmf_sdio_chip_buscoreprep(struct brcmf_sdio_dev *sdiodev)
 			!SBSDIO_ALPAV(clkval)),
 			PMU_MAX_TRANSITION_DLY);
 	if (!SBSDIO_ALPAV(clkval)) {
-		brcmf_dbg(ERROR, "timeout on ALPAV wait, clkval 0x%02x\n",
+		brcmf_err("timeout on ALPAV wait, clkval 0x%02x\n",
 			  clkval);
 		return -EBUSY;
 	}
@@ -618,7 +618,7 @@ brcmf_sdio_chip_drivestrengthinit(struct brcmf_sdio_dev *sdiodev,
 		str_shift = 11;
 		break;
 	default:
-		brcmf_dbg(ERROR, "No SDIO Drive strength init done for chip %s rev %d pmurev %d\n",
+		brcmf_err("No SDIO Drive strength init done for chip %s rev %d pmurev %d\n",
 			  brcmf_sdio_chip_name(ci->chip, chn, 8),
 			  ci->chiprev, ci->pmurev);
 		break;