修改GPIO导出默认初始值

hc

2024-10-16 50a212ec906f7524620675f0c57357691c26c81f

 kernel/drivers/parport/probe.c
..
..
@@ -38,16 +38,16 @@
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 {
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 	struct parport_device_info *info = &port->probe_info[device + 1];
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-	printk(KERN_INFO "%s", port->name);
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+	pr_info("%s", port->name);
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 	if (device >= 0)
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-		printk (" (addr %d)", device);
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+		pr_cont(" (addr %d)", device);
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-	printk (": %s", classes[info->class].descr);
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+	pr_cont(": %s", classes[info->class].descr);
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 	if (info->class)
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-		printk(", %s %s", info->mfr, info->model);
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+		pr_cont(", %s %s", info->mfr, info->model);
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-	printk("\n");
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+	pr_cont("\n");
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 }
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 static void parse_data(struct parport *port, int device, char *str)
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@@ -58,7 +58,7 @@
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 	struct parport_device_info *info = &port->probe_info[device + 1];
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 	if (!txt) {
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-		printk(KERN_WARNING "%s probe: memory squeeze\n", port->name);
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+		pr_warn("%s probe: memory squeeze\n", port->name);
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 		return;
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 	}
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 	strcpy(txt, str);
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@@ -98,7 +98,8 @@
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 						goto rock_on;
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 					}
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 				}
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-				printk(KERN_WARNING "%s probe: warning, class '%s' not understood.\n", port->name, sep);
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+				pr_warn("%s probe: warning, class '%s' not understood\n",
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+					port->name, sep);
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 				info->class = PARPORT_CLASS_OTHER;
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 			} else if (!strcmp(p, "CMD") ||
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 				   !strcmp(p, "COMMAND SET")) {
..
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@@ -177,9 +178,8 @@
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 		 * just return constant nibble forever. This catches
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 		 * also those cases. */
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 		if (idlens[0] == 0 || idlens[0] > 0xFFF) {
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-			printk (KERN_DEBUG "%s: reported broken Device ID"
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-				" length of %#zX bytes\n",
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-				port->name, idlens[0]);
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+			printk(KERN_DEBUG "%s: reported broken Device ID length of %#zX bytes\n",
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+			       port->name, idlens[0]);
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 			return -EIO;
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 		}
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 		numidlens = 2;
..
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@@ -201,10 +201,8 @@
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 		if (port->physport->ieee1284.phase != IEEE1284_PH_HBUSY_DAVAIL) {
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 			if (belen != len) {
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-				printk (KERN_DEBUG "%s: Device ID was %zd bytes"
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-					" while device told it would be %d"
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-					" bytes\n",
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-					port->name, len, belen);
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+				printk(KERN_DEBUG "%s: Device ID was %zd bytes while device told it would be %d bytes\n",
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+				       port->name, len, belen);
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 			}
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 			goto done;
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 		}
..
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@@ -214,11 +212,9 @@
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 		 * the first 256 bytes or so that we must have read so
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 		 * far. */
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 		if (buffer[len-1] == ';') {
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- 			printk (KERN_DEBUG "%s: Device ID reading stopped"
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-				" before device told data not available. "
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-				"Current idlen %u of %u, len bytes %02X %02X\n",
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-				port->name, current_idlen, numidlens,
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-				length[0], length[1]);
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+			printk(KERN_DEBUG "%s: Device ID reading stopped before device told data not available. Current idlen %u of %u, len bytes %02X %02X\n",
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+			       port->name, current_idlen, numidlens,
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+			       length[0], length[1]);
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 			goto done;
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 		}
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 	}
..
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@@ -257,7 +253,7 @@
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 ssize_t parport_device_id (int devnum, char *buffer, size_t count)
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 {
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 	ssize_t retval = -ENXIO;
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-	struct pardevice *dev = parport_open (devnum, "Device ID probe");
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+	struct pardevice *dev = parport_open(devnum, daisy_dev_name);
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 	if (!dev)
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 		return -ENXIO;
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