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path: root/drivers/net/irda/nsc-ircc.c
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Diffstat (limited to 'drivers/net/irda/nsc-ircc.c')
-rw-r--r--drivers/net/irda/nsc-ircc.c66
1 files changed, 40 insertions, 26 deletions
diff --git a/drivers/net/irda/nsc-ircc.c b/drivers/net/irda/nsc-ircc.c
index 61e509cb712..66bc03bdb13 100644
--- a/drivers/net/irda/nsc-ircc.c
+++ b/drivers/net/irda/nsc-ircc.c
@@ -43,6 +43,7 @@
********************************************************************/
#include <linux/module.h>
+#include <linux/gfp.h>
#include <linux/kernel.h>
#include <linux/types.h>
@@ -50,8 +51,8 @@
#include <linux/netdevice.h>
#include <linux/ioport.h>
#include <linux/delay.h>
-#include <linux/slab.h>
#include <linux/init.h>
+#include <linux/interrupt.h>
#include <linux/rtnetlink.h>
#include <linux/dma-mapping.h>
#include <linux/pnp.h>
@@ -173,8 +174,10 @@ static int nsc_ircc_setup(chipio_t *info);
static void nsc_ircc_pio_receive(struct nsc_ircc_cb *self);
static int nsc_ircc_dma_receive(struct nsc_ircc_cb *self);
static int nsc_ircc_dma_receive_complete(struct nsc_ircc_cb *self, int iobase);
-static int nsc_ircc_hard_xmit_sir(struct sk_buff *skb, struct net_device *dev);
-static int nsc_ircc_hard_xmit_fir(struct sk_buff *skb, struct net_device *dev);
+static netdev_tx_t nsc_ircc_hard_xmit_sir(struct sk_buff *skb,
+ struct net_device *dev);
+static netdev_tx_t nsc_ircc_hard_xmit_fir(struct sk_buff *skb,
+ struct net_device *dev);
static int nsc_ircc_pio_write(int iobase, __u8 *buf, int len, int fifo_size);
static void nsc_ircc_dma_xmit(struct nsc_ircc_cb *self, int iobase);
static __u8 nsc_ircc_change_speed(struct nsc_ircc_cb *self, __u32 baud);
@@ -331,6 +334,20 @@ static void __exit nsc_ircc_cleanup(void)
pnp_registered = 0;
}
+static const struct net_device_ops nsc_ircc_sir_ops = {
+ .ndo_open = nsc_ircc_net_open,
+ .ndo_stop = nsc_ircc_net_close,
+ .ndo_start_xmit = nsc_ircc_hard_xmit_sir,
+ .ndo_do_ioctl = nsc_ircc_net_ioctl,
+};
+
+static const struct net_device_ops nsc_ircc_fir_ops = {
+ .ndo_open = nsc_ircc_net_open,
+ .ndo_stop = nsc_ircc_net_close,
+ .ndo_start_xmit = nsc_ircc_hard_xmit_fir,
+ .ndo_do_ioctl = nsc_ircc_net_ioctl,
+};
+
/*
* Function nsc_ircc_open (iobase, irq)
*
@@ -413,23 +430,21 @@ static int __init nsc_ircc_open(chipio_t *info)
/* Allocate memory if needed */
self->rx_buff.head =
- dma_alloc_coherent(NULL, self->rx_buff.truesize,
- &self->rx_buff_dma, GFP_KERNEL);
+ dma_zalloc_coherent(NULL, self->rx_buff.truesize,
+ &self->rx_buff_dma, GFP_KERNEL);
if (self->rx_buff.head == NULL) {
err = -ENOMEM;
goto out2;
}
- memset(self->rx_buff.head, 0, self->rx_buff.truesize);
self->tx_buff.head =
- dma_alloc_coherent(NULL, self->tx_buff.truesize,
- &self->tx_buff_dma, GFP_KERNEL);
+ dma_zalloc_coherent(NULL, self->tx_buff.truesize,
+ &self->tx_buff_dma, GFP_KERNEL);
if (self->tx_buff.head == NULL) {
err = -ENOMEM;
goto out3;
}
- memset(self->tx_buff.head, 0, self->tx_buff.truesize);
self->rx_buff.in_frame = FALSE;
self->rx_buff.state = OUTSIDE_FRAME;
@@ -441,10 +456,7 @@ static int __init nsc_ircc_open(chipio_t *info)
self->tx_fifo.tail = self->tx_buff.head;
/* Override the network functions we need to use */
- dev->hard_start_xmit = nsc_ircc_hard_xmit_sir;
- dev->open = nsc_ircc_net_open;
- dev->stop = nsc_ircc_net_close;
- dev->do_ioctl = nsc_ircc_net_ioctl;
+ dev->netdev_ops = &nsc_ircc_sir_ops;
err = register_netdev(dev);
if (err) {
@@ -703,7 +715,7 @@ static int nsc_ircc_probe_338(nsc_chip_t *chip, chipio_t *info)
int reg, com = 0;
int pnp;
- /* Read funtion enable register (FER) */
+ /* Read function enable register (FER) */
outb(CFG_338_FER, cfg_base);
reg = inb(cfg_base+1);
@@ -1023,7 +1035,7 @@ static int nsc_ircc_setup(chipio_t *info)
/*
* Function nsc_ircc_read_dongle_id (void)
*
- * Try to read dongle indentification. This procedure needs to be executed
+ * Try to read dongle identification. This procedure needs to be executed
* once after power-on/reset. It also needs to be used whenever you suspect
* that the user may have plugged/unplugged the IrDA Dongle.
*/
@@ -1320,12 +1332,12 @@ static __u8 nsc_ircc_change_speed(struct nsc_ircc_cb *self, __u32 speed)
switch_bank(iobase, BANK0);
if (speed > 115200) {
/* Install FIR xmit handler */
- dev->hard_start_xmit = nsc_ircc_hard_xmit_fir;
+ dev->netdev_ops = &nsc_ircc_fir_ops;
ier = IER_SFIF_IE;
nsc_ircc_dma_receive(self);
} else {
/* Install SIR xmit handler */
- dev->hard_start_xmit = nsc_ircc_hard_xmit_sir;
+ dev->netdev_ops = &nsc_ircc_sir_ops;
ier = IER_RXHDL_IE;
}
/* Set our current interrupt mask */
@@ -1335,7 +1347,7 @@ static __u8 nsc_ircc_change_speed(struct nsc_ircc_cb *self, __u32 speed)
outb(bank, iobase+BSR);
/* Make sure interrupt handlers keep the proper interrupt mask */
- return(ier);
+ return ier;
}
/*
@@ -1344,7 +1356,8 @@ static __u8 nsc_ircc_change_speed(struct nsc_ircc_cb *self, __u32 speed)
* Transmit the frame!
*
*/
-static int nsc_ircc_hard_xmit_sir(struct sk_buff *skb, struct net_device *dev)
+static netdev_tx_t nsc_ircc_hard_xmit_sir(struct sk_buff *skb,
+ struct net_device *dev)
{
struct nsc_ircc_cb *self;
unsigned long flags;
@@ -1354,7 +1367,7 @@ static int nsc_ircc_hard_xmit_sir(struct sk_buff *skb, struct net_device *dev)
self = netdev_priv(dev);
- IRDA_ASSERT(self != NULL, return 0;);
+ IRDA_ASSERT(self != NULL, return NETDEV_TX_OK;);
iobase = self->io.fir_base;
@@ -1386,7 +1399,7 @@ static int nsc_ircc_hard_xmit_sir(struct sk_buff *skb, struct net_device *dev)
dev->trans_start = jiffies;
spin_unlock_irqrestore(&self->lock, flags);
dev_kfree_skb(skb);
- return 0;
+ return NETDEV_TX_OK;
} else
self->new_speed = speed;
}
@@ -1413,10 +1426,11 @@ static int nsc_ircc_hard_xmit_sir(struct sk_buff *skb, struct net_device *dev)
dev_kfree_skb(skb);
- return 0;
+ return NETDEV_TX_OK;
}
-static int nsc_ircc_hard_xmit_fir(struct sk_buff *skb, struct net_device *dev)
+static netdev_tx_t nsc_ircc_hard_xmit_fir(struct sk_buff *skb,
+ struct net_device *dev)
{
struct nsc_ircc_cb *self;
unsigned long flags;
@@ -1456,7 +1470,7 @@ static int nsc_ircc_hard_xmit_fir(struct sk_buff *skb, struct net_device *dev)
dev->trans_start = jiffies;
spin_unlock_irqrestore(&self->lock, flags);
dev_kfree_skb(skb);
- return 0;
+ return NETDEV_TX_OK;
} else {
/* Change speed after current frame */
self->new_speed = speed;
@@ -1543,7 +1557,7 @@ static int nsc_ircc_hard_xmit_fir(struct sk_buff *skb, struct net_device *dev)
spin_unlock_irqrestore(&self->lock, flags);
dev_kfree_skb(skb);
- return 0;
+ return NETDEV_TX_OK;
}
/*
@@ -1648,7 +1662,7 @@ static int nsc_ircc_dma_xmit_complete(struct nsc_ircc_cb *self)
switch_bank(iobase, BANK0);
outb(inb(iobase+MCR) & ~MCR_DMA_EN, iobase+MCR);
- /* Check for underrrun! */
+ /* Check for underrun! */
if (inb(iobase+ASCR) & ASCR_TXUR) {
self->netdev->stats.tx_errors++;
self->netdev->stats.tx_fifo_errors++;
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-12-10 19:23:29 +0000