1 files changed, 17 insertions, 18 deletions

diff --git a/drivers/parport/parport_amiga.c b/drivers/parport/parport_amiga.c
index 9c68f2aec4ff..6a819bd00866 100644
--- a/drivers/parport/parport_amiga.c
+++ b/drivers/parport/parport_amiga.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /* Low-level parallel port routines for the Amiga built-in port
  *
  * Author: Joerg Dorchain <joerg@dorchain.net>
@@ -27,16 +28,10 @@
 #include <asm/amigaints.h>
 
 #undef DEBUG
-#ifdef DEBUG
-#define DPRINTK printk
-#else
-#define DPRINTK(x...)	do { } while (0)
-#endif
-
 
 static void amiga_write_data(struct parport *p, unsigned char data)
 {
-	DPRINTK(KERN_DEBUG "write_data %c\n",data);
+	pr_debug("write_data %c\n", data);
 	/* Triggers also /STROBE. This behavior cannot be changed */
 	ciaa.prb = data;
 	mb();
@@ -58,13 +53,13 @@ static unsigned char control_amiga_to_pc(unsigned char control)
 
 static void amiga_write_control(struct parport *p, unsigned char control)
 {
-	DPRINTK(KERN_DEBUG "write_control %02x\n",control);
+	pr_debug("write_control %02x\n", control);
 	/* No implementation possible */
 }
 	
 static unsigned char amiga_read_control( struct parport *p)
 {
-	DPRINTK(KERN_DEBUG "read_control \n");
+	pr_debug("read_control\n");
 	return control_amiga_to_pc(0);
 }
 
@@ -72,7 +67,7 @@ static unsigned char amiga_frob_control( struct parport *p, unsigned char mask,
 {
 	unsigned char old;
 
-	DPRINTK(KERN_DEBUG "frob_control mask %02x, value %02x\n",mask,val);
+	pr_debug("frob_control mask %02x, value %02x\n", mask, val);
 	old = amiga_read_control(p);
 	amiga_write_control(p, (old & ~mask) ^ val);
 	return old;
@@ -98,7 +93,7 @@ static unsigned char amiga_read_status(struct parport *p)
 	unsigned char status;
 
 	status = status_amiga_to_pc(ciab.pra & 7);
-	DPRINTK(KERN_DEBUG "read_status %02x\n", status);
+	pr_debug("read_status %02x\n", status);
 	return status;
 }
 
@@ -114,14 +109,14 @@ static void amiga_disable_irq(struct parport *p)
 
 static void amiga_data_forward(struct parport *p)
 {
-	DPRINTK(KERN_DEBUG "forward\n");
+	pr_debug("forward\n");
 	ciaa.ddrb = 0xff; /* all pins output */
 	mb();
 }
 
 static void amiga_data_reverse(struct parport *p)
 {
-	DPRINTK(KERN_DEBUG "reverse\n");
+	pr_debug("reverse\n");
 	ciaa.ddrb = 0; /* all pins input */
 	mb();
 }
@@ -211,7 +206,7 @@ static int __init amiga_parallel_probe(struct platform_device *pdev)
 	if (err)
 		goto out_irq;
 
-	printk(KERN_INFO "%s: Amiga built-in port using irq\n", p->name);
+	pr_info("%s: Amiga built-in port using irq\n", p->name);
 	/* XXX: set operating mode */
 	parport_announce_port(p);
 
@@ -224,7 +219,7 @@ out_irq:
 	return err;
 }
 
-static int __exit amiga_parallel_remove(struct platform_device *pdev)
+static void __exit amiga_parallel_remove(struct platform_device *pdev)
 {
 	struct parport *port = platform_get_drvdata(pdev);
 
@@ -232,10 +227,15 @@ static int __exit amiga_parallel_remove(struct platform_device *pdev)
 	if (port->irq != PARPORT_IRQ_NONE)
 		free_irq(IRQ_AMIGA_CIAA_FLG, port);
 	parport_put_port(port);
-	return 0;
 }
 
-static struct platform_driver amiga_parallel_driver = {
+/*
+ * amiga_parallel_remove() lives in .exit.text. For drivers registered via
+ * module_platform_driver_probe() this is ok because they cannot get unbound at
+ * runtime. So mark the driver struct with __refdata to prevent modpost
+ * triggering a section mismatch warning.
+ */
+static struct platform_driver amiga_parallel_driver __refdata = {
 	.remove = __exit_p(amiga_parallel_remove),
 	.driver   = {
 		.name	= "amiga-parallel",
@@ -246,6 +246,5 @@ module_platform_driver_probe(amiga_parallel_driver, amiga_parallel_probe);
 
 MODULE_AUTHOR("Joerg Dorchain <joerg@dorchain.net>");
 MODULE_DESCRIPTION("Parport Driver for Amiga builtin Port");
-MODULE_SUPPORTED_DEVICE("Amiga builtin Parallel Port");
 MODULE_LICENSE("GPL");
 MODULE_ALIAS("platform:amiga-parallel");