treewide: replace with error() with pr_err()

U-Boot widely uses error() as a bit noisier variant of printf().

This macro causes name conflict with the following line in
include/linux/compiler-gcc.h:

  # define __compiletime_error(message) __attribute__((error(message)))

This prevents us from using __compiletime_error(), and makes it
difficult to fully sync BUILD_BUG macros with Linux.  (Notice
Linux's BUILD_BUG_ON_MSG is implemented by using compiletime_assert().)

Let's convert error() into now treewide-available pr_err().

Done with the help of Coccinelle, excluing tools/ directory.

The semantic patch I used is as follows:

// <smpl>
@@@@
-error
+pr_err
 (...)
// </smpl>

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
[trini: Re-run Coccinelle]
Signed-off-by: Tom Rini <trini@konsulko.com>
diff --git a/drivers/usb/gadget/at91_udc.c b/drivers/usb/gadget/at91_udc.c
index 9df6d32..ad2f606 100644
--- a/drivers/usb/gadget/at91_udc.c
+++ b/drivers/usb/gadget/at91_udc.c
@@ -1456,7 +1456,7 @@
 
 	ret = driver->bind(&udc->gadget);
 	if (ret) {
-		error("driver->bind() returned %d\n", ret);
+		pr_err("driver->bind() returned %d\n", ret);
 		udc->driver = NULL;
 	}
 
@@ -1468,7 +1468,7 @@
 	struct at91_udc *udc = controller;
 
 	if (!driver || !driver->unbind || !driver->disconnect) {
-		error("bad paramter\n");
+		pr_err("bad paramter\n");
 		return -EINVAL;
 	}
 
diff --git a/drivers/usb/gadget/atmel_usba_udc.c b/drivers/usb/gadget/atmel_usba_udc.c
index ad31703..c0a95a9 100644
--- a/drivers/usb/gadget/atmel_usba_udc.c
+++ b/drivers/usb/gadget/atmel_usba_udc.c
@@ -1228,7 +1228,7 @@
 
 	ret = driver->bind(&udc->gadget);
 	if (ret) {
-		error("driver->bind() returned %d\n", ret);
+		pr_err("driver->bind() returned %d\n", ret);
 		udc->driver = NULL;
 	}
 
@@ -1240,7 +1240,7 @@
 	struct usba_udc *udc = &controller;
 
 	if (!driver || !driver->unbind || !driver->disconnect) {
-		error("bad paramter\n");
+		pr_err("bad paramter\n");
 		return -EINVAL;
 	}
 
@@ -1261,7 +1261,7 @@
 
 	eps = malloc(sizeof(struct usba_ep) * pdata->num_ep);
 	if (!eps) {
-		error("failed to alloc eps\n");
+		pr_err("failed to alloc eps\n");
 		return NULL;
 	}
 
diff --git a/drivers/usb/gadget/dwc2_udc_otg.c b/drivers/usb/gadget/dwc2_udc_otg.c
index cb44374..088811c 100644
--- a/drivers/usb/gadget/dwc2_udc_otg.c
+++ b/drivers/usb/gadget/dwc2_udc_otg.c
@@ -835,7 +835,7 @@
 			    ROUND(sizeof(struct usb_ctrlrequest),
 				  CONFIG_SYS_CACHELINE_SIZE));
 	if (!usb_ctrl) {
-		error("No memory available for UDC!\n");
+		pr_err("No memory available for UDC!\n");
 		return -ENOMEM;
 	}
 
diff --git a/drivers/usb/gadget/ether.c b/drivers/usb/gadget/ether.c
index 2cf5c8d..2e0ff45 100644
--- a/drivers/usb/gadget/ether.c
+++ b/drivers/usb/gadget/ether.c
@@ -1059,7 +1059,7 @@
 			&& dev->config
 			&& dev->tx_qlen != 0) {
 		/* tx fifo is full, but we can't clear it...*/
-		error("can't change configurations");
+		pr_err("can't change configurations");
 		return -ESPIPE;
 	}
 	eth_reset_config(dev);
@@ -1233,7 +1233,7 @@
 	/* received RNDIS command from USB_CDC_SEND_ENCAPSULATED_COMMAND */
 	status = rndis_msg_parser(dev->rndis_config, (u8 *) req->buf);
 	if (status < 0)
-		error("%s: rndis parse error %d", __func__, status);
+		pr_err("%s: rndis parse error %d", __func__, status);
 }
 
 #endif	/* RNDIS */
@@ -1554,7 +1554,7 @@
 	retval = usb_ep_queue(dev->out_ep, req, gfp_flags);
 
 	if (retval)
-		error("rx submit --> %d", retval);
+		pr_err("rx submit --> %d", retval);
 
 	return retval;
 }
@@ -1624,7 +1624,7 @@
 fail2:
 	usb_ep_free_request(dev->in_ep, dev->tx_req);
 fail1:
-	error("can't alloc requests");
+	pr_err("can't alloc requests");
 	return -1;
 }
 
@@ -2060,7 +2060,7 @@
 		 * anything less functional on CDC-capable hardware,
 		 * so we fail in this case.
 		 */
-		error("controller '%s' not recognized",
+		pr_err("controller '%s' not recognized",
 			gadget->name);
 		return -ENODEV;
 	}
@@ -2121,7 +2121,7 @@
 	in_ep = usb_ep_autoconfig(gadget, &fs_source_desc);
 	if (!in_ep) {
 autoconf_fail:
-		error("can't autoconfigure on %s\n",
+		pr_err("can't autoconfigure on %s\n",
 			gadget->name);
 		return -ENODEV;
 	}
@@ -2142,7 +2142,7 @@
 		if (status_ep) {
 			status_ep->driver_data = status_ep;	/* claim */
 		} else if (rndis) {
-			error("can't run RNDIS on %s", gadget->name);
+			pr_err("can't run RNDIS on %s", gadget->name);
 			return -ENODEV;
 #ifdef CONFIG_USB_ETH_CDC
 		} else if (cdc) {
@@ -2244,7 +2244,7 @@
 	if (rndis) {
 		status = rndis_init();
 		if (status < 0) {
-			error("can't init RNDIS, %d", status);
+			pr_err("can't init RNDIS, %d", status);
 			goto fail;
 		}
 	}
@@ -2335,7 +2335,7 @@
 	return 0;
 
 fail:
-	error("%s failed, status = %d", __func__, status);
+	pr_err("%s failed, status = %d", __func__, status);
 	eth_unbind(gadget);
 	return status;
 }
@@ -2350,7 +2350,7 @@
 
 	ret = uclass_first_device(UCLASS_USB_DEV_GENERIC, &dev);
 	if (!dev || ret) {
-		error("No USB device found\n");
+		pr_err("No USB device found\n");
 		return -ENODEV;
 	}
 
@@ -2369,7 +2369,7 @@
 
 #ifdef CONFIG_DM_USB
 	if (dm_usb_init(dev)) {
-		error("USB ether not found\n");
+		pr_err("USB ether not found\n");
 		return -ENODEV;
 	}
 #else
@@ -2393,11 +2393,11 @@
 			sizeof(host_addr));
 
 	if (!is_eth_addr_valid(dev_addr)) {
-		error("Need valid 'usbnet_devaddr' to be set");
+		pr_err("Need valid 'usbnet_devaddr' to be set");
 		goto fail;
 	}
 	if (!is_eth_addr_valid(host_addr)) {
-		error("Need valid 'usbnet_hostaddr' to be set");
+		pr_err("Need valid 'usbnet_hostaddr' to be set");
 		goto fail;
 	}
 
@@ -2427,7 +2427,7 @@
 	while (!dev->network_started) {
 		/* Handle control-c and timeouts */
 		if (ctrlc() || (get_timer(ts) > timeout)) {
-			error("The remote end did not respond in time.");
+			pr_err("The remote end did not respond in time.");
 			goto fail;
 		}
 		usb_gadget_handle_interrupts(0);
@@ -2456,7 +2456,7 @@
 		rndis_pkt = malloc(length +
 					sizeof(struct rndis_packet_msg_type));
 		if (!rndis_pkt) {
-			error("No memory to alloc RNDIS packet");
+			pr_err("No memory to alloc RNDIS packet");
 			goto drop;
 		}
 		rndis_add_hdr(rndis_pkt, length);
@@ -2574,7 +2574,7 @@
 
 	ret = _usb_eth_recv(priv);
 	if (ret) {
-		error("error packet receive\n");
+		pr_err("error packet receive\n");
 		return ret;
 	}
 
@@ -2585,7 +2585,7 @@
 		net_process_received_packet(net_rx_packets[0],
 					    dev->rx_req->length);
 	} else {
-		error("dev->rx_req invalid");
+		pr_err("dev->rx_req invalid");
 	}
 	packet_received = 0;
 	rx_submit(dev, dev->rx_req, 0);
@@ -2641,7 +2641,7 @@
 
 	ret = _usb_eth_recv(priv);
 	if (ret) {
-		error("error packet receive\n");
+		pr_err("error packet receive\n");
 		return ret;
 	}
 
@@ -2650,7 +2650,7 @@
 			*packetp = (uchar *)net_rx_packets[0];
 			return ethdev->rx_req->length;
 		} else {
-			error("dev->rx_req invalid");
+			pr_err("dev->rx_req invalid");
 			return -EFAULT;
 		}
 	}
@@ -2706,13 +2706,13 @@
 
 	ret = uclass_first_device(UCLASS_USB_DEV_GENERIC, &usb_dev);
 	if (!usb_dev || ret) {
-		error("No USB device found\n");
+		pr_err("No USB device found\n");
 		return ret;
 	}
 
 	ret = device_bind_driver(usb_dev, "usb_ether", "usb_ether", &dev);
 	if (!dev || ret) {
-		error("usb - not able to bind usb_ether device\n");
+		pr_err("usb - not able to bind usb_ether device\n");
 		return ret;
 	}
 
diff --git a/drivers/usb/gadget/f_fastboot.c b/drivers/usb/gadget/f_fastboot.c
index f3382a9..7acffb6 100644
--- a/drivers/usb/gadget/f_fastboot.c
+++ b/drivers/usb/gadget/f_fastboot.c
@@ -410,7 +410,7 @@
 
 	strsep(&cmd, ":");
 	if (!cmd) {
-		error("missing variable");
+		pr_err("missing variable");
 		fastboot_tx_write_str("FAILmissing var");
 		return;
 	}
@@ -593,7 +593,7 @@
 
 	strsep(&cmd, ":");
 	if (!cmd) {
-		error("missing partition name");
+		pr_err("missing partition name");
 		fastboot_tx_write_str("FAILmissing partition name");
 		return;
 	}
@@ -645,7 +645,7 @@
 
 	strsep(&cmd, ":");
 	if (!cmd) {
-		error("missing partition name");
+		pr_err("missing partition name");
 		fastboot_tx_write_str("FAILmissing partition name");
 		return;
 	}
@@ -718,7 +718,7 @@
 	}
 
 	if (!func_cb) {
-		error("unknown command: %.*s", req->actual, cmdbuf);
+		pr_err("unknown command: %.*s", req->actual, cmdbuf);
 		fastboot_tx_write_str("FAILunknown command");
 	} else {
 		if (req->actual < req->length) {
@@ -726,7 +726,7 @@
 			buf[req->actual] = 0;
 			func_cb(ep, req);
 		} else {
-			error("buffer overflow");
+			pr_err("buffer overflow");
 			fastboot_tx_write_str("FAILbuffer overflow");
 		}
 	}
diff --git a/drivers/usb/gadget/f_sdp.c b/drivers/usb/gadget/f_sdp.c
index 0fae66b..fd3da92 100644
--- a/drivers/usb/gadget/f_sdp.c
+++ b/drivers/usb/gadget/f_sdp.c
@@ -237,12 +237,12 @@
 	u8 report = data[0];
 
 	if (status != 0) {
-		error("Status: %d", status);
+		pr_err("Status: %d", status);
 		return;
 	}
 
 	if (report != 1) {
-		error("Unexpected report %d", report);
+		pr_err("Unexpected report %d", report);
 		return;
 	}
 
@@ -309,7 +309,7 @@
 		sdp->next_state = SDP_STATE_IDLE;
 		break;
 	default:
-		error("Unknown command: %04x\n", be16_to_cpu(cmd->cmd));
+		pr_err("Unknown command: %04x\n", be16_to_cpu(cmd->cmd));
 	}
 }
 
@@ -322,12 +322,12 @@
 	int datalen = req->length - 1;
 
 	if (status != 0) {
-		error("Status: %d", status);
+		pr_err("Status: %d", status);
 		return;
 	}
 
 	if (report != 2) {
-		error("Unexpected report %d", report);
+		pr_err("Unexpected report %d", report);
 		return;
 	}
 
@@ -360,7 +360,7 @@
 		sdp->state = SDP_STATE_TX_SEC_CONF;
 		break;
 	default:
-		error("Invalid state: %d", sdp->state);
+		pr_err("Invalid state: %d", sdp->state);
 	}
 }
 
@@ -370,7 +370,7 @@
 	int status = req->status;
 
 	if (status != 0) {
-		error("Status: %d", status);
+		pr_err("Status: %d", status);
 		return;
 	}
 
@@ -393,7 +393,7 @@
 			sdp->state = SDP_STATE_IDLE;
 		break;
 	default:
-		error("Wrong State: %d", sdp->state);
+		pr_err("Wrong State: %d", sdp->state);
 		sdp->state = SDP_STATE_IDLE;
 		break;
 	}
diff --git a/drivers/usb/gadget/f_thor.c b/drivers/usb/gadget/f_thor.c
index cd4d9e6..18f233a 100644
--- a/drivers/usb/gadget/f_thor.c
+++ b/drivers/usb/gadget/f_thor.c
@@ -174,7 +174,7 @@
 					transfer_buffer, THOR_STORE_UNIT_SIZE,
 					(*cnt)++);
 			if (ret) {
-				error("DFU write failed [%d] cnt: %d",
+				pr_err("DFU write failed [%d] cnt: %d",
 				      ret, *cnt);
 				return ret;
 			}
@@ -218,20 +218,20 @@
 
 	dfu_entity = dfu_get_entity(alt_setting_num);
 	if (!dfu_entity) {
-		error("Alt setting: %d entity not found!\n", alt_setting_num);
+		pr_err("Alt setting: %d entity not found!\n", alt_setting_num);
 		return -ENOENT;
 	}
 
 	transfer_buffer = dfu_get_buf(dfu_entity);
 	if (!transfer_buffer) {
-		error("Transfer buffer not allocated!");
+		pr_err("Transfer buffer not allocated!");
 		return -ENXIO;
 	}
 
 	if (left) {
 		ret = dfu_write(dfu_entity, transfer_buffer, left, cnt++);
 		if (ret) {
-			error("DFU write failed [%d]: left: %llu", ret, left);
+			pr_err("DFU write failed [%d]: left: %llu", ret, left);
 			return ret;
 		}
 	}
@@ -245,7 +245,7 @@
 	 */
 	ret = dfu_flush(dfu_entity, transfer_buffer, 0, cnt);
 	if (ret)
-		error("DFU flush failed!");
+		pr_err("DFU flush failed!");
 
 	return ret;
 }
@@ -285,7 +285,7 @@
 
 		alt_setting_num = dfu_get_alt(f_name);
 		if (alt_setting_num < 0) {
-			error("Alt setting [%d] to write not found!",
+			pr_err("Alt setting [%d] to write not found!",
 			      alt_setting_num);
 			rsp->ack = -ENODEV;
 			ret = rsp->ack;
@@ -311,7 +311,7 @@
 		debug("DL EXIT\n");
 		break;
 	default:
-		error("Operation not supported: %d", rqt->rqt_data);
+		pr_err("Operation not supported: %d", rqt->rqt_data);
 		ret = -ENOTSUPP;
 	}
 
@@ -342,7 +342,7 @@
 		puts("RQT: UPLOAD not supported!\n");
 		break;
 	default:
-		error("unknown request (%d)", rqt->rqt);
+		pr_err("unknown request (%d)", rqt->rqt);
 	}
 
 	return ret;
@@ -541,7 +541,7 @@
 
 		status = usb_ep_queue(dev->out_ep, dev->out_req, 0);
 		if (status) {
-			error("kill %s:  resubmit %d bytes --> %d",
+			pr_err("kill %s:  resubmit %d bytes --> %d",
 			      dev->out_ep->name, dev->out_req->length, status);
 			usb_ep_set_halt(dev->out_ep);
 			return -EAGAIN;
@@ -575,7 +575,7 @@
 
 	status = usb_ep_queue(dev->in_ep, dev->in_req, 0);
 	if (status) {
-		error("kill %s:  resubmit %d bytes --> %d",
+		pr_err("kill %s:  resubmit %d bytes --> %d",
 		      dev->in_ep->name, dev->in_req->length, status);
 		usb_ep_set_halt(dev->in_ep);
 	}
@@ -608,7 +608,7 @@
 	case -ESHUTDOWN:		/* disconnect from host */
 	case -EREMOTEIO:                /* short read */
 	case -EOVERFLOW:
-		error("ERROR:%d", status);
+		pr_err("ERROR:%d", status);
 		break;
 	}
 
@@ -664,7 +664,7 @@
 		break;
 
 	default:
-		error("thor_setup: unknown request: %d", ctrl->bRequest);
+		pr_err("thor_setup: unknown request: %d", ctrl->bRequest);
 	}
 
 	if (value >= 0) {
@@ -973,7 +973,7 @@
 		debug("Communication Data interface\n");
 		result = thor_eps_setup(f);
 		if (result)
-			error("%s: EPs setup failed!", __func__);
+			pr_err("%s: EPs setup failed!", __func__);
 		dev->configuration_done = 1;
 		break;
 	}