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Commit d10d0198 authored by David S. Miller's avatar David S. Miller
Browse files

Merge branch 'w83977af_ir-neatening' 



Joe Perches says:

====================
irda: w83977af_ir: Neatening

Originally on top of Arnd's overly long udelay patches because I
noticed a misindented block.  That's now already fixed along with some
other whitespace problems.  These patches are the remainder style
issues from my original series.

Even though I haven't turned on the netwinder in a box in the
garage in who knows how long, if this device is still used somewhere,
might as well neaten the code too.
====================

Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parents c63d352f 99d8d215

drivers/net/irda/w83977af_ir.c

+160 −163
Original line number Diff line number Diff line
@@ -39,6 +39,8 @@ 
 *

 ********************************************************************/



#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt



#include <linux/module.h>

#include <linux/kernel.h>

#include <linux/types.h>
@@ -155,7 +157,7 @@ static int w83977af_open(int i, unsigned int iobase, unsigned int irq, 


	/* Lock the port that we need */

	if (!request_region(iobase, CHIP_IO_EXTENT, driver_name)) {

		pr_debug("%s(), can't get iobase of 0x%03x\n",

		pr_debug("%s: can't get iobase of 0x%03x\n",

			 __func__, iobase);

		return -ENODEV;

	}
@@ -168,9 +170,8 @@ static int w83977af_open(int i, unsigned int iobase, unsigned int irq, 
	 *  Allocate new instance of the driver

	 */

	dev = alloc_irdadev(sizeof(struct w83977af_ir));

	if (dev == NULL) {

		printk( KERN_ERR "IrDA: Can't allocate memory for "

			"IrDA control block!\n");

	if (!dev) {

		pr_err("IrDA: Can't allocate memory for IrDA control block!\n");

		err = -ENOMEM;

		goto err_out;

	}
@@ -178,7 +179,6 @@ static int w83977af_open(int i, unsigned int iobase, unsigned int irq, 
	self = netdev_priv(dev);

	spin_lock_init(&self->lock);





	/* Initialize IO */

	self->io.fir_base = iobase;

	self->io.irq = irq;
@@ -207,7 +207,7 @@ static int w83977af_open(int i, unsigned int iobase, unsigned int irq, 
	self->rx_buff.head =

		dma_zalloc_coherent(NULL, self->rx_buff.truesize,

				    &self->rx_buff_dma, GFP_KERNEL);

	if (self->rx_buff.head == NULL) {

	if (!self->rx_buff.head) {

		err = -ENOMEM;

		goto err_out1;

	}
@@ -215,7 +215,7 @@ static int w83977af_open(int i, unsigned int iobase, unsigned int irq, 
	self->tx_buff.head =

		dma_zalloc_coherent(NULL, self->tx_buff.truesize,

				    &self->tx_buff_dma, GFP_KERNEL);

	if (self->tx_buff.head == NULL) {

	if (!self->tx_buff.head) {

		err = -ENOMEM;

		goto err_out2;

	}
@@ -230,7 +230,7 @@ static int w83977af_open(int i, unsigned int iobase, unsigned int irq, 


	err = register_netdev(dev);

	if (err) {

		net_err_ratelimited("%s(), register_netdevice() failed!\n",

		net_err_ratelimited("%s:, register_netdevice() failed!\n",

				    __func__);

		goto err_out3;

	}
@@ -281,8 +281,7 @@ static int w83977af_close(struct w83977af_ir *self) 
	unregister_netdev(self->netdev);



	/* Release the PORT that this driver is using */

	pr_debug("%s(), Releasing Region %03x\n",

		 __func__ , self->io.fir_base);

	pr_debug("%s: Releasing Region %03x\n", __func__, self->io.fir_base);

	release_region(self->io.fir_base, self->io.fir_ext);



	if (self->tx_buff.head)
@@ -390,7 +389,7 @@ static int w83977af_probe(int iobase, int irq, int dma) 
			return 0;

		} else {

			/* Try next extented function register address */

			pr_debug("%s(), Wrong chip version", __func__);

			pr_debug("%s: Wrong chip version\n", __func__);

		}

	}

	return -1;
@@ -426,19 +425,19 @@ static void w83977af_change_speed(struct w83977af_ir *self, __u32 speed) 
	case 115200: outb(0x01, iobase + ABLL); break;

	case 576000:

		ir_mode = HCR_MIR_576;

		pr_debug("%s(), handling baud of 576000\n", __func__);

		pr_debug("%s: handling baud of 576000\n", __func__);

		break;

	case 1152000:

		ir_mode = HCR_MIR_1152;

		pr_debug("%s(), handling baud of 1152000\n", __func__);

		pr_debug("%s: handling baud of 1152000\n", __func__);

		break;

	case 4000000:

		ir_mode = HCR_FIR;

		pr_debug("%s(), handling baud of 4000000\n", __func__);

		pr_debug("%s: handling baud of 4000000\n", __func__);

		break;

	default:

		ir_mode = HCR_FIR;

		pr_debug("%s(), unknown baud rate of %d\n", __func__ , speed);

		pr_debug("%s: unknown baud rate of %d\n", __func__, speed);

		break;

	}
@@ -463,8 +462,9 @@ static void w83977af_change_speed(struct w83977af_ir *self, __u32 speed) 
	if (speed > PIO_MAX_SPEED) {

		outb(ICR_EFSFI, iobase + ICR);

		w83977af_dma_receive(self);

	} else

	} else {

		outb(ICR_ERBRI, iobase + ICR);

	}



	/* Restore SSR */

	outb(set, iobase + SSR);
@@ -489,8 +489,7 @@ static netdev_tx_t w83977af_hard_xmit(struct sk_buff *skb, 


	iobase = self->io.fir_base;



	pr_debug("%s(%ld), skb->len=%d\n", __func__ , jiffies,

		 (int)skb->len);

	pr_debug("%s: %ld, skb->len=%d\n", __func__, jiffies, (int)skb->len);



	/* Lock transmit buffer */

	netif_stop_queue(dev);
@@ -503,7 +502,7 @@ static netdev_tx_t w83977af_hard_xmit(struct sk_buff *skb, 
			w83977af_change_speed(self, speed);

			dev_kfree_skb(skb);

			return NETDEV_TX_OK;

		} else

		}

		self->new_speed = speed;

	}
@@ -517,7 +516,7 @@ static netdev_tx_t w83977af_hard_xmit(struct sk_buff *skb, 
		self->tx_buff.len = skb->len;



		mtt = irda_get_mtt(skb);

		pr_debug("%s(%ld), mtt=%d\n", __func__ , jiffies, mtt);

		pr_debug("%s: %ld, mtt=%d\n", __func__, jiffies, mtt);

			if (mtt > 1000)

				mdelay(mtt / 1000);

			else if (mtt)
@@ -553,7 +552,8 @@ static netdev_tx_t w83977af_hard_xmit(struct sk_buff *skb, 
static void w83977af_dma_write(struct w83977af_ir *self, int iobase)

{

	__u8 set;

	pr_debug("%s(), len=%d\n", __func__ , self->tx_buff.len);



	pr_debug("%s: len=%d\n", __func__, self->tx_buff.len);



	/* Save current set */

	set = inb(iobase + SSR);
@@ -593,11 +593,10 @@ static int w83977af_pio_write(int iobase, __u8 *buf, int len, int fifo_size) 


	switch_bank(iobase, SET0);

	if (!(inb_p(iobase + USR) & USR_TSRE)) {

		pr_debug("%s(), warning, FIFO not empty yet!\n", __func__);

		pr_debug("%s: warning, FIFO not empty yet!\n", __func__);



		fifo_size -= 17;

		pr_debug("%s(), %d bytes left in tx fifo\n",

			 __func__ , fifo_size);

		pr_debug("%s: %d bytes left in tx fifo\n", __func__, fifo_size);

	}



	/* Fill FIFO with current frame */
@@ -606,7 +605,7 @@ static int w83977af_pio_write(int iobase, __u8 *buf, int len, int fifo_size) 
		outb(buf[actual++], iobase + TBR);

	}



	pr_debug("%s(), fifo_size %d ; %d sent of %d\n",

	pr_debug("%s: fifo_size %d ; %d sent of %d\n",

		 __func__, fifo_size, actual, len);



	/* Restore bank */
@@ -627,9 +626,9 @@ static void w83977af_dma_xmit_complete(struct w83977af_ir *self) 
	int iobase;

	__u8 set;



	pr_debug("%s(%ld)\n", __func__ , jiffies);

	pr_debug("%s: %ld\n", __func__, jiffies);



	IRDA_ASSERT(self != NULL, return;);

	IRDA_ASSERT(self, return;);



	iobase = self->io.fir_base;
@@ -642,16 +641,16 @@ static void w83977af_dma_xmit_complete(struct w83977af_ir *self) 


	/* Check for underrun! */

	if (inb(iobase + AUDR) & AUDR_UNDR) {

		pr_debug("%s(), Transmit underrun!\n", __func__);

		pr_debug("%s: Transmit underrun!\n", __func__);



		self->netdev->stats.tx_errors++;

		self->netdev->stats.tx_fifo_errors++;



		/* Clear bit, by writing 1 to it */

		outb(AUDR_UNDR, iobase + AUDR);

	} else

	} else {

		self->netdev->stats.tx_packets++;



	}



	if (self->new_speed) {

		w83977af_change_speed(self, self->new_speed);
@@ -681,7 +680,7 @@ static int w83977af_dma_receive(struct w83977af_ir *self) 
	unsigned long flags;

	__u8 hcr;

#endif

	IRDA_ASSERT(self != NULL, return -1;);

	IRDA_ASSERT(self, return -1;);



	pr_debug("%s\n", __func__);
@@ -814,14 +813,13 @@ static int w83977af_dma_receive_complete(struct w83977af_ir *self) 
		} else {

			/* Check if we have transferred all data to memory */

			switch_bank(iobase, SET0);

			if (inb(iobase+USR) & USR_RDR) {

			if (inb(iobase + USR) & USR_RDR)

				udelay(80); /* Should be enough!? */

			}



			skb = dev_alloc_skb(len + 1);

			if (skb == NULL)  {

				printk(KERN_INFO

				       "%s(), memory squeeze, dropping frame.\n", __func__);

			if (!skb)  {

				pr_info("%s: memory squeeze, dropping frame\n",

					__func__);

				/* Restore set register */

				outb(set, iobase + SSR);
@@ -871,7 +869,7 @@ static void w83977af_pio_receive(struct w83977af_ir *self) 
	__u8 byte = 0x00;

	int iobase;



	IRDA_ASSERT(self != NULL, return;);

	IRDA_ASSERT(self, return;);



	iobase = self->io.fir_base;
@@ -896,7 +894,7 @@ static __u8 w83977af_sir_interrupt(struct w83977af_ir *self, int isr) 
	__u8 set;

	int iobase;



	pr_debug("%s(), isr=%#x\n", __func__ , isr);

	pr_debug("%s: isr=%#x\n", __func__, isr);



	iobase = self->io.fir_base;

	/* Transmit FIFO low on data */
@@ -932,7 +930,7 @@ static __u8 w83977af_sir_interrupt(struct w83977af_ir *self, int isr) 
	if (isr & ISR_TXEMP_I) {

		/* Check if we need to change the speed? */

		if (self->new_speed) {

			pr_debug("%s(), Changing speed!\n", __func__);

			pr_debug("%s: Changing speed!\n", __func__);

			w83977af_change_speed(self, self->new_speed);

			self->new_speed = 0;

		}
@@ -970,7 +968,6 @@ static __u8 w83977af_fir_interrupt(struct w83977af_ir *self, int isr) 
	/* End of frame detected in FIFO */

	if (isr & (ISR_FEND_I | ISR_FSF_I)) {

		if (w83977af_dma_receive_complete(self)) {



			/* Wait for next status FIFO interrupt */

			new_icr |= ICR_EFSFI;

		} else {
@@ -1082,7 +1079,7 @@ static int w83977af_is_receiving(struct w83977af_ir *self) 
	int iobase;

	__u8 set;



	IRDA_ASSERT(self != NULL, return FALSE;);

	IRDA_ASSERT(self, return FALSE;);



	if (self->io.speed > 115200) {

		iobase = self->io.fir_base;
@@ -1095,8 +1092,9 @@ static int w83977af_is_receiving(struct w83977af_ir *self) 
			status =  TRUE;

		}

		outb(set, iobase + SSR);

	} else

	} else {

		status = (self->rx_buff.state != OUTSIDE_FRAME);

	}



	return status;

}
@@ -1114,11 +1112,10 @@ static int w83977af_net_open(struct net_device *dev) 
	char hwname[32];

	__u8 set;





	IRDA_ASSERT(dev != NULL, return -1;);

	IRDA_ASSERT(dev, return -1;);

	self = netdev_priv(dev);



	IRDA_ASSERT(self != NULL, return 0;);

	IRDA_ASSERT(self, return 0;);



	iobase = self->io.fir_base;
@@ -1143,8 +1140,9 @@ static int w83977af_net_open(struct net_device *dev) 
	if (self->io.speed > 115200) {

		outb(ICR_EFSFI, iobase + ICR);

		w83977af_dma_receive(self);

	} else

	} else {

		outb(ICR_ERBRI, iobase + ICR);

	}



	/* Restore bank register */

	outb(set, iobase + SSR);
@@ -1176,11 +1174,11 @@ static int w83977af_net_close(struct net_device *dev) 
	int iobase;

	__u8 set;



	IRDA_ASSERT(dev != NULL, return -1;);

	IRDA_ASSERT(dev, return -1;);



	self = netdev_priv(dev);



	IRDA_ASSERT(self != NULL, return 0;);

	IRDA_ASSERT(self, return 0;);



	iobase = self->io.fir_base;
@@ -1223,13 +1221,13 @@ static int w83977af_net_ioctl(struct net_device *dev, struct ifreq *rq, int cmd) 
	unsigned long flags;

	int ret = 0;



	IRDA_ASSERT(dev != NULL, return -1;);

	IRDA_ASSERT(dev, return -1;);



	self = netdev_priv(dev);



	IRDA_ASSERT(self != NULL, return -1;);

	IRDA_ASSERT(self, return -1;);



	pr_debug("%s(), %s, (cmd=0x%X)\n", __func__ , dev->name, cmd);

	pr_debug("%s: %s, (cmd=0x%X)\n", __func__, dev->name, cmd);



	spin_lock_irqsave(&self->lock, flags);
@@ -1263,7 +1261,6 @@ MODULE_AUTHOR("Dag Brattli <dagb@cs.uit.no>"); 
MODULE_DESCRIPTION("Winbond W83977AF IrDA Device Driver");

MODULE_LICENSE("GPL");





module_param(qos_mtt_bits, int, 0);

MODULE_PARM_DESC(qos_mtt_bits, "Mimimum Turn Time");

module_param_array(io, int, NULL, 0);