Merge branch 'pcmcia-next' of git://git.kernel.org/pub/scm/linux/kernel/git/brodo/linux

Pull pcmcia updates from Dominik Brodowski:
 "This is a series co-developed by Simon Geis and Lukas Panzer to clean
  up the i82092 PCMCIA device driver"

* 'pcmcia-next' of git://git.kernel.org/pub/scm/linux/kernel/git/brodo/linux:
  PCMCIA/i82092: remove #if 0 block
  PCMCIA/i82092: delete enter/leave macro
  PCMCIA/i82092: include <linux/io.h> instead of <asm/io.h>
  PCMCIA/i82092: shorten the lines with over 80 characters
  PCMCIA/i82092: move assignment out of if condition
  PCMCIA/i82092: change code indentation
  PCMCIA/i82092: insert blank line after declarations
  PCMCIA/i82092: remove braces around single statement blocks
  PCMCIA/i82092: add/remove spaces to improve readability
  PCMCIA/i82092: use dev_<level> instead of printk

drivers/pcmcia/i82092.c

 // SPDX-License-Identifier: GPL-2.0-only
-/* 
+/*
  * Driver for Intel I82092AA PCI-PCMCIA bridge.
  *
  * (C) 2001 Red Hat, Inc.
@@ -18,7 +18,7 @@
 
 #include <pcmcia/ss.h>
 
-#include <asm/io.h>
+#include <linux/io.h>
 
 #include "i82092aa.h"
 #include "i82365.h"
@@ -33,16 +33,16 @@ static const struct pci_device_id i82092aa_pci_ids[] = {
 MODULE_DEVICE_TABLE(pci, i82092aa_pci_ids);
 
 static struct pci_driver i82092aa_pci_driver = {
-	.name           = "i82092aa",
-	.id_table       = i82092aa_pci_ids,
-	.probe          = i82092aa_pci_probe,
-	.remove         = i82092aa_pci_remove,
+	.name		= "i82092aa",
+	.id_table	= i82092aa_pci_ids,
+	.probe		= i82092aa_pci_probe,
+	.remove	= i82092aa_pci_remove,
 };
 
 
 /* the pccard structure and its functions */
 static struct pccard_operations i82092aa_operations = {
-	.init 		 	= i82092aa_init,
+	.init			= i82092aa_init,
 	.get_status		= i82092aa_get_status,
 	.set_socket		= i82092aa_set_socket,
 	.set_io_map		= i82092aa_set_io_map,
@@ -53,57 +53,63 @@ static struct pccard_operations i82092aa_operations = {
 
 struct socket_info {
 	int	number;
-	int	card_state; 	/*  0 = no socket,
-				    1 = empty socket, 
-				    2 = card but not initialized,
-				    3 = operational card */
-	unsigned int io_base; 	/* base io address of the socket */
-	
+	int	card_state;
+		/* 0 = no socket,
+		 * 1 = empty socket,
+		 * 2 = card but not initialized,
+		 * 3 = operational card
+		 */
+	unsigned int io_base;	/* base io address of the socket */
+
 	struct pcmcia_socket socket;
 	struct pci_dev *dev;	/* The PCI device for the socket */
 };
 
 #define MAX_SOCKETS 4
 static struct socket_info sockets[MAX_SOCKETS];
-static int socket_count;  /* shortcut */                                  	                                	
+static int socket_count;	/* shortcut */
 
 
-static int i82092aa_pci_probe(struct pci_dev *dev, const struct pci_device_id *id)
+static int i82092aa_pci_probe(struct pci_dev *dev,
+			      const struct pci_device_id *id)
 {
 	unsigned char configbyte;
 	int i, ret;
-	
-	enter("i82092aa_pci_probe");
-	
-	if ((ret = pci_enable_device(dev)))
+
+	ret = pci_enable_device(dev);
+	if (ret)
 		return ret;
-		
-	pci_read_config_byte(dev, 0x40, &configbyte);  /* PCI Configuration Control */
-	switch(configbyte&6) {
-		case 0:
-			socket_count = 2;
-			break;
-		case 2:
-			socket_count = 1;
-			break;
-		case 4:
-		case 6:
-			socket_count = 4;
-			break;
-			
-		default:
-			printk(KERN_ERR "i82092aa: Oops, you did something we didn't think of.\n");
-			ret = -EIO;
-			goto err_out_disable;
+
+	/* PCI Configuration Control */
+	pci_read_config_byte(dev, 0x40, &configbyte);
+
+	switch (configbyte&6) {
+	case 0:
+		socket_count = 2;
+		break;
+	case 2:
+		socket_count = 1;
+		break;
+	case 4:
+	case 6:
+		socket_count = 4;
+		break;
+
+	default:
+		dev_err(&dev->dev,
+			"Oops, you did something we didn't think of.\n");
+		ret = -EIO;
+		goto err_out_disable;
 	}
-	printk(KERN_INFO "i82092aa: configured as a %d socket device.\n", socket_count);
+	dev_info(&dev->dev, "configured as a %d socket device.\n",
+		 socket_count);
 
 	if (!request_region(pci_resource_start(dev, 0), 2, "i82092aa")) {
 		ret = -EBUSY;
 		goto err_out_disable;
 	}
-	
-	for (i = 0;i<socket_count;i++) {
+
+	for (i = 0; i < socket_count; i++) {
 		sockets[i].card_state = 1; /* 1 = present but empty */
 		sockets[i].io_base = pci_resource_start(dev, 0);
 		sockets[i].socket.features |= SS_CAP_PCCARD;
@@ -114,65 +120,65 @@ static int i82092aa_pci_probe(struct pci_dev *dev, const struct pci_device_id *i
 		sockets[i].socket.owner = THIS_MODULE;
 
 		sockets[i].number = i;
-		
+
 		if (card_present(i)) {
 			sockets[i].card_state = 3;
-			dev_dbg(&dev->dev, "i82092aa: slot %i is occupied\n", i);
+			dev_dbg(&dev->dev, "slot %i is occupied\n", i);
 		} else {
-			dev_dbg(&dev->dev, "i82092aa: slot %i is vacant\n", i);
+			dev_dbg(&dev->dev, "slot %i is vacant\n", i);
 		}
 	}
-		
-	/* Now, specifiy that all interrupts are to be done as PCI interrupts */
-	configbyte = 0xFF; /* bitmask, one bit per event, 1 = PCI interrupt, 0 = ISA interrupt */
-	pci_write_config_byte(dev, 0x50, configbyte); /* PCI Interrupt Routing Register */
+
+	/* Now, specifiy that all interrupts are to be done as PCI interrupts
+	 * bitmask, one bit per event, 1 = PCI interrupt, 0 = ISA interrupt
+	 */
+	configbyte = 0xFF;
+
+	/* PCI Interrupt Routing Register */
+	pci_write_config_byte(dev, 0x50, configbyte);
 
 	/* Register the interrupt handler */
 	dev_dbg(&dev->dev, "Requesting interrupt %i\n", dev->irq);
-	if ((ret = request_irq(dev->irq, i82092aa_interrupt, IRQF_SHARED, "i82092aa", i82092aa_interrupt))) {
-		printk(KERN_ERR "i82092aa: Failed to register IRQ %d, aborting\n", dev->irq);
+	ret = request_irq(dev->irq, i82092aa_interrupt, IRQF_SHARED,
+			  "i82092aa", i82092aa_interrupt);
+	if (ret) {
+		dev_err(&dev->dev, "Failed to register IRQ %d, aborting\n",
+			dev->irq);
 		goto err_out_free_res;
 	}
 
-	for (i = 0; i<socket_count; i++) {
+	for (i = 0; i < socket_count; i++) {
 		sockets[i].socket.dev.parent = &dev->dev;
 		sockets[i].socket.ops = &i82092aa_operations;
 		sockets[i].socket.resource_ops = &pccard_nonstatic_ops;
 		ret = pcmcia_register_socket(&sockets[i].socket);
-		if (ret) {
+		if (ret)
 			goto err_out_free_sockets;
-		}
 	}
 
-	leave("i82092aa_pci_probe");
 	return 0;
 
 err_out_free_sockets:
 	if (i) {
-		for (i--;i>=0;i--) {
+		for (i--; i >= 0; i--)
 			pcmcia_unregister_socket(&sockets[i].socket);
-		}
 	}
 	free_irq(dev->irq, i82092aa_interrupt);
 err_out_free_res:
 	release_region(pci_resource_start(dev, 0), 2);
 err_out_disable:
 	pci_disable_device(dev);
-	return ret;			
+	return ret;
 }
 
 static void i82092aa_pci_remove(struct pci_dev *dev)
 {
 	int i;
 
-	enter("i82092aa_pci_remove");
-	
 	free_irq(dev->irq, i82092aa_interrupt);
 
 	for (i = 0; i < socket_count; i++)
 		pcmcia_unregister_socket(&sockets[i].socket);
-
-	leave("i82092aa_pci_remove");
 }
 
 static DEFINE_SPINLOCK(port_lock);
@@ -184,44 +190,27 @@ static unsigned char indirect_read(int socket, unsigned short reg)
 	unsigned short int port;
 	unsigned char val;
 	unsigned long flags;
-	spin_lock_irqsave(&port_lock,flags);
+
+	spin_lock_irqsave(&port_lock, flags);
 	reg += socket * 0x40;
 	port = sockets[socket].io_base;
-	outb(reg,port);
+	outb(reg, port);
 	val = inb(port+1);
-	spin_unlock_irqrestore(&port_lock,flags);
+	spin_unlock_irqrestore(&port_lock, flags);
 	return val;
 }
 
-#if 0
-static unsigned short indirect_read16(int socket, unsigned short reg)
-{
-	unsigned short int port;
-	unsigned short tmp;
-	unsigned long flags;
-	spin_lock_irqsave(&port_lock,flags);
-	reg  = reg + socket * 0x40;
-	port = sockets[socket].io_base;
-	outb(reg,port);
-	tmp = inb(port+1);
-	reg++;
-	outb(reg,port);
-	tmp = tmp | (inb(port+1)<<8);
-	spin_unlock_irqrestore(&port_lock,flags);
-	return tmp;
-}
-#endif
-
 static void indirect_write(int socket, unsigned short reg, unsigned char value)
 {
 	unsigned short int port;
 	unsigned long flags;
-	spin_lock_irqsave(&port_lock,flags);
+
+	spin_lock_irqsave(&port_lock, flags);
 	reg = reg + socket * 0x40;
-	port = sockets[socket].io_base; 
-	outb(reg,port);
-	outb(value,port+1);
-	spin_unlock_irqrestore(&port_lock,flags);
+	port = sockets[socket].io_base;
+	outb(reg, port);
+	outb(value, port+1);
+	spin_unlock_irqrestore(&port_lock, flags);
 }
 
 static void indirect_setbit(int socket, unsigned short reg, unsigned char mask)
@@ -229,53 +218,58 @@ static void indirect_setbit(int socket, unsigned short reg, unsigned char mask)
 	unsigned short int port;
 	unsigned char val;
 	unsigned long flags;
-	spin_lock_irqsave(&port_lock,flags);
+
+	spin_lock_irqsave(&port_lock, flags);
 	reg = reg + socket * 0x40;
-	port = sockets[socket].io_base; 
-	outb(reg,port);
+	port = sockets[socket].io_base;
+	outb(reg, port);
 	val = inb(port+1);
 	val |= mask;
-	outb(reg,port);
-	outb(val,port+1);
-	spin_unlock_irqrestore(&port_lock,flags);
+	outb(reg, port);
+	outb(val, port+1);
+	spin_unlock_irqrestore(&port_lock, flags);
 }
 
 
-static void indirect_resetbit(int socket, unsigned short reg, unsigned char mask)
+static void indirect_resetbit(int socket,
+			      unsigned short reg, unsigned char mask)
 {
 	unsigned short int port;
 	unsigned char val;
 	unsigned long flags;
-	spin_lock_irqsave(&port_lock,flags);
+
+	spin_lock_irqsave(&port_lock, flags);
 	reg = reg + socket * 0x40;
-	port = sockets[socket].io_base; 
-	outb(reg,port);
+	port = sockets[socket].io_base;
+	outb(reg, port);
 	val = inb(port+1);
 	val &= ~mask;
-	outb(reg,port);
-	outb(val,port+1);
-	spin_unlock_irqrestore(&port_lock,flags);
+	outb(reg, port);
+	outb(val, port+1);
+	spin_unlock_irqrestore(&port_lock, flags);
 }
 
-static void indirect_write16(int socket, unsigned short reg, unsigned short value)
+static void indirect_write16(int socket,
+			     unsigned short reg, unsigned short value)
 {
 	unsigned short int port;
 	unsigned char val;
 	unsigned long flags;
-	spin_lock_irqsave(&port_lock,flags);
+
+	spin_lock_irqsave(&port_lock, flags);
 	reg = reg + socket * 0x40;
-	port = sockets[socket].io_base; 
-	
-	outb(reg,port);
+	port = sockets[socket].io_base;
+
+	outb(reg, port);
 	val = value & 255;
-	outb(val,port+1);
-	
+	outb(val, port+1);
+
 	reg++;
-	
-	outb(reg,port);
+
+	outb(reg, port);
 	val = value>>8;
-	outb(val,port+1);
-	spin_unlock_irqrestore(&port_lock,flags);
+	outb(val, port+1);
+	spin_unlock_irqrestore(&port_lock, flags);
 }
 
 /* simple helper functions */
@@ -284,12 +278,12 @@ static int cycle_time = 120;
 
 static int to_cycles(int ns)
 {
-	if (cycle_time!=0)
+	if (cycle_time != 0)
 		return ns/cycle_time;
 	else
 		return 0;
 }
-    
+
 
 /* Interrupt handler functionality */
 
@@ -299,58 +293,61 @@ static irqreturn_t i82092aa_interrupt(int irq, void *dev)
 	int loopcount = 0;
 	int handled = 0;
 
-	unsigned int events, active=0;
-	
-/*	enter("i82092aa_interrupt");*/
-	
+	unsigned int events, active = 0;
+
 	while (1) {
 		loopcount++;
-		if (loopcount>20) {
-			printk(KERN_ERR "i82092aa: infinite eventloop in interrupt \n");
+		if (loopcount > 20) {
+			pr_err("i82092aa: infinite eventloop in interrupt\n");
 			break;
 		}
-		
+
 		active = 0;
-		
-		for (i=0;i<socket_count;i++) {
+
+		for (i = 0; i < socket_count; i++) {
 			int csc;
-			if (sockets[i].card_state==0) /* Inactive socket, should not happen */
+
+			/* Inactive socket, should not happen */
+			if (sockets[i].card_state == 0)
+				continue;
+
+			/* card status change register */
+			csc = indirect_read(i, I365_CSC);
+
+			if (csc == 0)  /* no events on this socket */
 				continue;
-			
-			csc = indirect_read(i,I365_CSC); /* card status change register */
-			
-			if (csc==0)  /* no events on this socket */
-			   	continue;
 			handled = 1;
 			events = 0;
-			 
+
 			if (csc & I365_CSC_DETECT) {
 				events |= SS_DETECT;
-				printk("Card detected in socket %i!\n",i);
-			 }
-			
-			if (indirect_read(i,I365_INTCTL) & I365_PC_IOCARD) { 
+				dev_info(&sockets[i].dev->dev,
+					 "Card detected in socket %i!\n", i);
+			}
+
+			if (indirect_read(i, I365_INTCTL) & I365_PC_IOCARD) {
 				/* For IO/CARDS, bit 0 means "read the card" */
-				events |= (csc & I365_CSC_STSCHG) ? SS_STSCHG : 0; 
+				if (csc & I365_CSC_STSCHG)
+					events |= SS_STSCHG;
 			} else {
 				/* Check for battery/ready events */
-				events |= (csc & I365_CSC_BVD1) ? SS_BATDEAD : 0;
-				events |= (csc & I365_CSC_BVD2) ? SS_BATWARN : 0;
-				events |= (csc & I365_CSC_READY) ? SS_READY : 0;
+				if (csc & I365_CSC_BVD1)
+					events |= SS_BATDEAD;
+				if (csc & I365_CSC_BVD2)
+					events |= SS_BATWARN;
+				if (csc & I365_CSC_READY)
+					events |= SS_READY;
 			}
-			
-			if (events) {
+
+			if (events)
 				pcmcia_parse_events(&sockets[i].socket, events);
-			}
 			active |= events;
 		}
-				
-		if (active==0) /* no more events to handle */
-			break;				
-		
+
+		if (active == 0) /* no more events to handle */
+			break;
 	}
 	return IRQ_RETVAL(handled);
-/*	leave("i82092aa_interrupt");*/
 }
 
 
@@ -358,80 +355,67 @@ static irqreturn_t i82092aa_interrupt(int irq, void *dev)
 /* socket functions */
 
 static int card_present(int socketno)
-{	
+{
 	unsigned int val;
-	enter("card_present");
-	
-	if ((socketno<0) || (socketno >= MAX_SOCKETS))
+
+	if ((socketno < 0) || (socketno >= MAX_SOCKETS))
 		return 0;
 	if (sockets[socketno].io_base == 0)
 		return 0;
 
-		
+
 	val = indirect_read(socketno, 1); /* Interface status register */
-	if ((val&12)==12) {
-		leave("card_present 1");
+	if ((val&12) == 12)
 		return 1;
-	}
-		
-	leave("card_present 0");
+
 	return 0;
 }
 
 static void set_bridge_state(int sock)
 {
-	enter("set_bridge_state");
-	indirect_write(sock, I365_GBLCTL,0x00);
-	indirect_write(sock, I365_GENCTL,0x00);
-	
-	indirect_setbit(sock, I365_INTCTL,0x08);
-	leave("set_bridge_state");
-}
-
-
+	indirect_write(sock, I365_GBLCTL, 0x00);
+	indirect_write(sock, I365_GENCTL, 0x00);
 
+	indirect_setbit(sock, I365_INTCTL, 0x08);
+}
 
 
-      
 static int i82092aa_init(struct pcmcia_socket *sock)
 {
 	int i;
 	struct resource res = { .start = 0, .end = 0x0fff };
-        pccard_io_map io = { 0, 0, 0, 0, 1 };
+	pccard_io_map io = { 0, 0, 0, 0, 1 };
 	pccard_mem_map mem = { .res = &res, };
-        
-        enter("i82092aa_init");
-                        
-        for (i = 0; i < 2; i++) {
-        	io.map = i;
-                i82092aa_set_io_map(sock, &io);
+
+	for (i = 0; i < 2; i++) {
+		io.map = i;
+		i82092aa_set_io_map(sock, &io);
 	}
-        for (i = 0; i < 5; i++) {
-        	mem.map = i;
-                i82092aa_set_mem_map(sock, &mem);
+	for (i = 0; i < 5; i++) {
+		mem.map = i;
+		i82092aa_set_mem_map(sock, &mem);
 	}
-	
-	leave("i82092aa_init");
+
 	return 0;
 }
-                                                                                                                                                                                                                                              
+
 static int i82092aa_get_status(struct pcmcia_socket *socket, u_int *value)
 {
-	unsigned int sock = container_of(socket, struct socket_info, socket)->number;
+	unsigned int sock = container_of(socket,
+				struct socket_info, socket)->number;
 	unsigned int status;
-	
-	enter("i82092aa_get_status");
-	
-	status = indirect_read(sock,I365_STATUS); /* Interface Status Register */
+
+	/* Interface Status Register */
+	status = indirect_read(sock, I365_STATUS);
+
 	*value = 0;
-	
-	if ((status & I365_CS_DETECT) == I365_CS_DETECT) {
+
+	if ((status & I365_CS_DETECT) == I365_CS_DETECT)
 		*value |= SS_DETECT;
-	}
-		
+
 	/* IO cards have a different meaning of bits 0,1 */
 	/* Also notice the inverse-logic on the bits */
-	if (indirect_read(sock, I365_INTCTL) & I365_PC_IOCARD)	{
+	if (indirect_read(sock, I365_INTCTL) & I365_PC_IOCARD) {
 		/* IO card */
 		if (!(status & I365_CS_STSCHG))
 			*value |= SS_STSCHG;
@@ -441,246 +425,238 @@ static int i82092aa_get_status(struct pcmcia_socket *socket, u_int *value)
 		if (!(status & I365_CS_BVD2))
 			*value |= SS_BATWARN;
 	}
-	 
+
 	if (status & I365_CS_WRPROT)
 		(*value) |= SS_WRPROT;	/* card is write protected */
-	 
+
 	if (status & I365_CS_READY)
 		(*value) |= SS_READY;    /* card is not busy */
-	 	
+
 	if (status & I365_CS_POWERON)
 		(*value) |= SS_POWERON;  /* power is applied to the card */
 
-	leave("i82092aa_get_status");
 	return 0;
 }
 
 
-static int i82092aa_set_socket(struct pcmcia_socket *socket, socket_state_t *state) 
+static int i82092aa_set_socket(struct pcmcia_socket *socket,
+			       socket_state_t *state)
 {
-	unsigned int sock = container_of(socket, struct socket_info, socket)->number;
+	struct socket_info *sock_info = container_of(socket, struct socket_info,
+						     socket);
+	unsigned int sock = sock_info->number;
 	unsigned char reg;
-	
-	enter("i82092aa_set_socket");
-	
+
 	/* First, set the global controller options */
-	
+
 	set_bridge_state(sock);
-	
+
 	/* Values for the IGENC register */
-	
+
 	reg = 0;
-	if (!(state->flags & SS_RESET)) 	/* The reset bit has "inverse" logic */
-		reg = reg | I365_PC_RESET;  
-	if (state->flags & SS_IOCARD) 
+
+	/* The reset bit has "inverse" logic */
+	if (!(state->flags & SS_RESET))
+		reg = reg | I365_PC_RESET;
+	if (state->flags & SS_IOCARD)
 		reg = reg | I365_PC_IOCARD;
-		
-	indirect_write(sock,I365_INTCTL,reg); /* IGENC, Interrupt and General Control Register */
-	
+
+	/* IGENC, Interrupt and General Control Register */
+	indirect_write(sock, I365_INTCTL, reg);
+
 	/* Power registers */
-	
+
 	reg = I365_PWR_NORESET; /* default: disable resetdrv on resume */
-	
+
 	if (state->flags & SS_PWR_AUTO) {
-		printk("Auto power\n");
+		dev_info(&sock_info->dev->dev, "Auto power\n");
 		reg |= I365_PWR_AUTO;	/* automatic power mngmnt */
 	}
 	if (state->flags & SS_OUTPUT_ENA) {
-		printk("Power Enabled \n");
+		dev_info(&sock_info->dev->dev, "Power Enabled\n");
 		reg |= I365_PWR_OUT;	/* enable power */
 	}
-	
+
 	switch (state->Vcc) {
-		case 0:	
-			break;
-		case 50: 
-			printk("setting voltage to Vcc to 5V on socket %i\n",sock);
-			reg |= I365_VCC_5V;
-			break;
-		default:
-			printk("i82092aa: i82092aa_set_socket called with invalid VCC power value: %i ", state->Vcc);
-			leave("i82092aa_set_socket");
-			return -EINVAL;
+	case 0:
+		break;
+	case 50:
+		dev_info(&sock_info->dev->dev,
+			 "setting voltage to Vcc to 5V on socket %i\n",
+			 sock);
+		reg |= I365_VCC_5V;
+		break;
+	default:
+		dev_err(&sock_info->dev->dev,
+			"%s called with invalid VCC power value: %i",
+			__func__, state->Vcc);
+		return -EINVAL;
 	}
-	
-	
+
 	switch (state->Vpp) {
-		case 0:	
-			printk("not setting Vpp on socket %i\n",sock);
-			break;
-		case 50: 
-			printk("setting Vpp to 5.0 for socket %i\n",sock);
-			reg |= I365_VPP1_5V | I365_VPP2_5V;
-			break;
-		case 120: 
-			printk("setting Vpp to 12.0\n");
-			reg |= I365_VPP1_12V | I365_VPP2_12V;
-			break;
-		default:
-			printk("i82092aa: i82092aa_set_socket called with invalid VPP power value: %i ", state->Vcc);
-			leave("i82092aa_set_socket");
-			return -EINVAL;
+	case 0:
+		dev_info(&sock_info->dev->dev,
+			 "not setting Vpp on socket %i\n", sock);
+		break;
+	case 50:
+		dev_info(&sock_info->dev->dev,
+			 "setting Vpp to 5.0 for socket %i\n", sock);
+		reg |= I365_VPP1_5V | I365_VPP2_5V;
+		break;
+	case 120:
+		dev_info(&sock_info->dev->dev, "setting Vpp to 12.0\n");
+		reg |= I365_VPP1_12V | I365_VPP2_12V;
+		break;
+	default:
+		dev_err(&sock_info->dev->dev,
+			"%s called with invalid VPP power value: %i",
+			__func__, state->Vcc);
+		return -EINVAL;
 	}
-	
-	if (reg != indirect_read(sock,I365_POWER)) /* only write if changed */
-		indirect_write(sock,I365_POWER,reg);
-		
+
+	if (reg != indirect_read(sock, I365_POWER)) /* only write if changed */
+		indirect_write(sock, I365_POWER, reg);
+
 	/* Enable specific interrupt events */
-	
+
 	reg = 0x00;
-	if (state->csc_mask & SS_DETECT) {
+	if (state->csc_mask & SS_DETECT)
 		reg |= I365_CSC_DETECT;
-	}
 	if (state->flags & SS_IOCARD) {
 		if (state->csc_mask & SS_STSCHG)
 			reg |= I365_CSC_STSCHG;
 	} else {
-		if (state->csc_mask & SS_BATDEAD) 
+		if (state->csc_mask & SS_BATDEAD)
 			reg |= I365_CSC_BVD1;
-		if (state->csc_mask & SS_BATWARN) 
+		if (state->csc_mask & SS_BATWARN)
 			reg |= I365_CSC_BVD2;
-		if (state->csc_mask & SS_READY) 
-			reg |= I365_CSC_READY; 
-		                        
+		if (state->csc_mask & SS_READY)
+			reg |= I365_CSC_READY;
+
 	}
-	
-	/* now write the value and clear the (probably bogus) pending stuff by doing a dummy read*/
-	
-	indirect_write(sock,I365_CSCINT,reg);
-	(void)indirect_read(sock,I365_CSC);
 
-	leave("i82092aa_set_socket");
+	/* now write the value and clear the (probably bogus) pending stuff
+	 * by doing a dummy read
+	 */
+
+	indirect_write(sock, I365_CSCINT, reg);
+	(void)indirect_read(sock, I365_CSC);
+
 	return 0;
 }
 
-static int i82092aa_set_io_map(struct pcmcia_socket *socket, struct pccard_io_map *io)
+static int i82092aa_set_io_map(struct pcmcia_socket *socket,
+			       struct pccard_io_map *io)
 {
-	unsigned int sock = container_of(socket, struct socket_info, socket)->number;
+	struct socket_info *sock_info = container_of(socket, struct socket_info,
+						     socket);
+	unsigned int sock = sock_info->number;
 	unsigned char map, ioctl;
-	
-	enter("i82092aa_set_io_map");
-	
+
 	map = io->map;
-	
-	/* Check error conditions */	
-	if (map > 1) {
-		leave("i82092aa_set_io_map with invalid map");
+
+	/* Check error conditions */
+	if (map > 1)
 		return -EINVAL;
-	}
-	if ((io->start > 0xffff) || (io->stop > 0xffff) || (io->stop < io->start)){
-		leave("i82092aa_set_io_map with invalid io");
+
+	if ((io->start > 0xffff) || (io->stop > 0xffff)
+				 || (io->stop < io->start))
 		return -EINVAL;
-	}
 
-	/* Turn off the window before changing anything */ 
+	/* Turn off the window before changing anything */
 	if (indirect_read(sock, I365_ADDRWIN) & I365_ENA_IO(map))
 		indirect_resetbit(sock, I365_ADDRWIN, I365_ENA_IO(map));
 
-/*	printk("set_io_map: Setting range to %x - %x \n",io->start,io->stop);  */
-	
 	/* write the new values */
-	indirect_write16(sock,I365_IO(map)+I365_W_START,io->start);            	
-	indirect_write16(sock,I365_IO(map)+I365_W_STOP,io->stop);            	
-	            	
-	ioctl = indirect_read(sock,I365_IOCTL) & ~I365_IOCTL_MASK(map);
-	
+	indirect_write16(sock, I365_IO(map)+I365_W_START, io->start);
+	indirect_write16(sock, I365_IO(map)+I365_W_STOP, io->stop);
+
+	ioctl = indirect_read(sock, I365_IOCTL) & ~I365_IOCTL_MASK(map);
+
 	if (io->flags & (MAP_16BIT|MAP_AUTOSZ))
 		ioctl |= I365_IOCTL_16BIT(map);
-		
-	indirect_write(sock,I365_IOCTL,ioctl);
-	
+
+	indirect_write(sock, I365_IOCTL, ioctl);
+
 	/* Turn the window back on if needed */
 	if (io->flags & MAP_ACTIVE)
-		indirect_setbit(sock,I365_ADDRWIN,I365_ENA_IO(map));
-			
-	leave("i82092aa_set_io_map");	
+		indirect_setbit(sock, I365_ADDRWIN, I365_ENA_IO(map));
+
 	return 0;
 }
 
-static int i82092aa_set_mem_map(struct pcmcia_socket *socket, struct pccard_mem_map *mem)
+static int i82092aa_set_mem_map(struct pcmcia_socket *socket,
+				struct pccard_mem_map *mem)
 {
-	struct socket_info *sock_info = container_of(socket, struct socket_info, socket);
+	struct socket_info *sock_info = container_of(socket, struct socket_info,
+						     socket);
 	unsigned int sock = sock_info->number;
 	struct pci_bus_region region;
 	unsigned short base, i;
 	unsigned char map;
-	
-	enter("i82092aa_set_mem_map");
 
 	pcibios_resource_to_bus(sock_info->dev->bus, &region, mem->res);
-	
+
 	map = mem->map;
-	if (map > 4) {
-		leave("i82092aa_set_mem_map: invalid map");
+	if (map > 4)
 		return -EINVAL;
-	}
-	
-	
-	if ( (mem->card_start > 0x3ffffff) || (region.start > region.end) ||
-	     (mem->speed > 1000) ) {
-		leave("i82092aa_set_mem_map: invalid address / speed");
-		printk("invalid mem map for socket %i: %llx to %llx with a "
-			"start of %x\n",
+
+	if ((mem->card_start > 0x3ffffff) || (region.start > region.end) ||
+	     (mem->speed > 1000)) {
+		dev_err(&sock_info->dev->dev,
+			"invalid mem map for socket %i: %llx to %llx with a start of %x\n",
 			sock,
 			(unsigned long long)region.start,
 			(unsigned long long)region.end,
 			mem->card_start);
 		return -EINVAL;
 	}
-	
+
 	/* Turn off the window before changing anything */
 	if (indirect_read(sock, I365_ADDRWIN) & I365_ENA_MEM(map))
-	              indirect_resetbit(sock, I365_ADDRWIN, I365_ENA_MEM(map));
-	                 
-	                 
-/* 	printk("set_mem_map: Setting map %i range to %x - %x on socket %i, speed is %i, active = %i \n",map, region.start,region.end,sock,mem->speed,mem->flags & MAP_ACTIVE);  */
+		indirect_resetbit(sock, I365_ADDRWIN, I365_ENA_MEM(map));
 
 	/* write the start address */
 	base = I365_MEM(map);
 	i = (region.start >> 12) & 0x0fff;
-	if (mem->flags & MAP_16BIT) 
+	if (mem->flags & MAP_16BIT)
 		i |= I365_MEM_16BIT;
 	if (mem->flags & MAP_0WS)
-		i |= I365_MEM_0WS;	
-	indirect_write16(sock,base+I365_W_START,i);
-		               
+		i |= I365_MEM_0WS;
+	indirect_write16(sock, base+I365_W_START, i);
+
 	/* write the stop address */
-	
-	i= (region.end >> 12) & 0x0fff;
+
+	i = (region.end >> 12) & 0x0fff;
 	switch (to_cycles(mem->speed)) {
-		case 0:
-			break;
-		case 1:
-			i |= I365_MEM_WS0;
-			break;
-		case 2:
-			i |= I365_MEM_WS1;
-			break;
-		default:
-			i |= I365_MEM_WS1 | I365_MEM_WS0;
-			break;
+	case 0:
+		break;
+	case 1:
+		i |= I365_MEM_WS0;
+		break;
+	case 2:
+		i |= I365_MEM_WS1;
+		break;
+	default:
+		i |= I365_MEM_WS1 | I365_MEM_WS0;
+		break;
 	}
-	
-	indirect_write16(sock,base+I365_W_STOP,i);
-	
+
+	indirect_write16(sock, base+I365_W_STOP, i);
+
 	/* card start */
-	
+
 	i = ((mem->card_start - region.start) >> 12) & 0x3fff;
 	if (mem->flags & MAP_WRPROT)
 		i |= I365_MEM_WRPROT;
-	if (mem->flags & MAP_ATTRIB) {
-/*		printk("requesting attribute memory for socket %i\n",sock);*/
+	if (mem->flags & MAP_ATTRIB)
 		i |= I365_MEM_REG;
-	} else {
-/*		printk("requesting normal memory for socket %i\n",sock);*/
-	}
-	indirect_write16(sock,base+I365_W_OFF,i);
-	
+	indirect_write16(sock, base+I365_W_OFF, i);
+
 	/* Enable the window if necessary */
 	if (mem->flags & MAP_ACTIVE)
 		indirect_setbit(sock, I365_ADDRWIN, I365_ENA_MEM(map));
-	            
-	leave("i82092aa_set_mem_map");
+
 	return 0;
 }
 
@@ -691,11 +667,9 @@ static int i82092aa_module_init(void)
 
 static void i82092aa_module_exit(void)
 {
-	enter("i82092aa_module_exit");
 	pci_unregister_driver(&i82092aa_pci_driver);
-	if (sockets[0].io_base>0)
-			 release_region(sockets[0].io_base, 2);
-	leave("i82092aa_module_exit");
+	if (sockets[0].io_base > 0)
+		release_region(sockets[0].io_base, 2);
 }
 
 module_init(i82092aa_module_init);

drivers/pcmcia/i82092aa.h

@@ -4,17 +4,6 @@
 
 #include <linux/interrupt.h>
 
-/* Debuging defines */
-#ifdef NOTRACE
-#define enter(x)   printk("Enter: %s, %s line %i\n",x,__FILE__,__LINE__)
-#define leave(x)   printk("Leave: %s, %s line %i\n",x,__FILE__,__LINE__)
-#else
-#define enter(x)   do {} while (0)
-#define leave(x)   do {} while (0)
-#endif
-
-
-
 /* prototypes */
 
 static int  i82092aa_pci_probe(struct pci_dev *dev, const struct pci_device_id *id);