mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-11-30 04:56:43 +07:00
Merge branch 'upstream-linus' of master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/netdev-2.6
* 'upstream-linus' of master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/netdev-2.6: drivers/net/hamradio/baycom_ser_fdx build fix usb-net/pegasus: fix pegasus carrier detection sis900: Allocate rx replacement buffer before rx operation [netdrvr] depca: handle platform_device_add() failure
This commit is contained in:
commit
89d8ab6993
@ -1491,8 +1491,9 @@ static void __init depca_platform_probe (void)
|
||||
depca_io_ports[i].device = pldev;
|
||||
|
||||
if (platform_device_add(pldev)) {
|
||||
platform_device_put(pldev);
|
||||
depca_io_ports[i].device = NULL;
|
||||
pldev->dev.platform_data = NULL;
|
||||
platform_device_put(pldev);
|
||||
continue;
|
||||
}
|
||||
|
||||
|
@ -75,12 +75,14 @@
|
||||
#include <linux/ioport.h>
|
||||
#include <linux/string.h>
|
||||
#include <linux/init.h>
|
||||
#include <asm/uaccess.h>
|
||||
#include <asm/io.h>
|
||||
#include <linux/hdlcdrv.h>
|
||||
#include <linux/baycom.h>
|
||||
#include <linux/jiffies.h>
|
||||
|
||||
#include <asm/uaccess.h>
|
||||
#include <asm/io.h>
|
||||
#include <asm/irq.h>
|
||||
|
||||
/* --------------------------------------------------------------------- */
|
||||
|
||||
#define BAYCOM_DEBUG
|
||||
|
@ -1755,6 +1755,24 @@ static int sis900_rx(struct net_device *net_dev)
|
||||
} else {
|
||||
struct sk_buff * skb;
|
||||
|
||||
pci_unmap_single(sis_priv->pci_dev,
|
||||
sis_priv->rx_ring[entry].bufptr, RX_BUF_SIZE,
|
||||
PCI_DMA_FROMDEVICE);
|
||||
|
||||
/* refill the Rx buffer, what if there is not enought
|
||||
* memory for new socket buffer ?? */
|
||||
if ((skb = dev_alloc_skb(RX_BUF_SIZE)) == NULL) {
|
||||
/*
|
||||
* Not enough memory to refill the buffer
|
||||
* so we need to recycle the old one so
|
||||
* as to avoid creating a memory hole
|
||||
* in the rx ring
|
||||
*/
|
||||
skb = sis_priv->rx_skbuff[entry];
|
||||
sis_priv->stats.rx_dropped++;
|
||||
goto refill_rx_ring;
|
||||
}
|
||||
|
||||
/* This situation should never happen, but due to
|
||||
some unknow bugs, it is possible that
|
||||
we are working on NULL sk_buff :-( */
|
||||
@ -1768,9 +1786,6 @@ static int sis900_rx(struct net_device *net_dev)
|
||||
break;
|
||||
}
|
||||
|
||||
pci_unmap_single(sis_priv->pci_dev,
|
||||
sis_priv->rx_ring[entry].bufptr, RX_BUF_SIZE,
|
||||
PCI_DMA_FROMDEVICE);
|
||||
/* give the socket buffer to upper layers */
|
||||
skb = sis_priv->rx_skbuff[entry];
|
||||
skb_put(skb, rx_size);
|
||||
@ -1783,33 +1798,14 @@ static int sis900_rx(struct net_device *net_dev)
|
||||
net_dev->last_rx = jiffies;
|
||||
sis_priv->stats.rx_bytes += rx_size;
|
||||
sis_priv->stats.rx_packets++;
|
||||
|
||||
/* refill the Rx buffer, what if there is not enought
|
||||
* memory for new socket buffer ?? */
|
||||
if ((skb = dev_alloc_skb(RX_BUF_SIZE)) == NULL) {
|
||||
/* not enough memory for skbuff, this makes a
|
||||
* "hole" on the buffer ring, it is not clear
|
||||
* how the hardware will react to this kind
|
||||
* of degenerated buffer */
|
||||
if (netif_msg_rx_status(sis_priv))
|
||||
printk(KERN_INFO "%s: Memory squeeze,"
|
||||
"deferring packet.\n",
|
||||
net_dev->name);
|
||||
sis_priv->rx_skbuff[entry] = NULL;
|
||||
/* reset buffer descriptor state */
|
||||
sis_priv->rx_ring[entry].cmdsts = 0;
|
||||
sis_priv->rx_ring[entry].bufptr = 0;
|
||||
sis_priv->stats.rx_dropped++;
|
||||
sis_priv->cur_rx++;
|
||||
break;
|
||||
}
|
||||
sis_priv->dirty_rx++;
|
||||
refill_rx_ring:
|
||||
skb->dev = net_dev;
|
||||
sis_priv->rx_skbuff[entry] = skb;
|
||||
sis_priv->rx_ring[entry].cmdsts = RX_BUF_SIZE;
|
||||
sis_priv->rx_ring[entry].bufptr =
|
||||
pci_map_single(sis_priv->pci_dev, skb->data,
|
||||
RX_BUF_SIZE, PCI_DMA_FROMDEVICE);
|
||||
sis_priv->dirty_rx++;
|
||||
}
|
||||
sis_priv->cur_rx++;
|
||||
entry = sis_priv->cur_rx % NUM_RX_DESC;
|
||||
|
@ -316,6 +316,7 @@ static int update_eth_regs_async(pegasus_t * pegasus)
|
||||
return ret;
|
||||
}
|
||||
|
||||
/* Returns 0 on success, error on failure */
|
||||
static int read_mii_word(pegasus_t * pegasus, __u8 phy, __u8 indx, __u16 * regd)
|
||||
{
|
||||
int i;
|
||||
@ -847,10 +848,16 @@ static void intr_callback(struct urb *urb)
|
||||
* d[0].NO_CARRIER kicks in only with failed TX.
|
||||
* ... so monitoring with MII may be safest.
|
||||
*/
|
||||
if (d[0] & NO_CARRIER)
|
||||
netif_carrier_off(net);
|
||||
else
|
||||
netif_carrier_on(net);
|
||||
if (pegasus->features & TRUST_LINK_STATUS) {
|
||||
if (d[5] & LINK_STATUS)
|
||||
netif_carrier_on(net);
|
||||
else
|
||||
netif_carrier_off(net);
|
||||
} else {
|
||||
/* Never set carrier _on_ based on ! NO_CARRIER */
|
||||
if (d[0] & NO_CARRIER)
|
||||
netif_carrier_off(net);
|
||||
}
|
||||
|
||||
/* bytes 3-4 == rx_lostpkt, reg 2E/2F */
|
||||
pegasus->stats.rx_missed_errors += ((d[3] & 0x7f) << 8) | d[4];
|
||||
@ -950,7 +957,7 @@ static void set_carrier(struct net_device *net)
|
||||
pegasus_t *pegasus = netdev_priv(net);
|
||||
u16 tmp;
|
||||
|
||||
if (!read_mii_word(pegasus, pegasus->phy, MII_BMSR, &tmp))
|
||||
if (read_mii_word(pegasus, pegasus->phy, MII_BMSR, &tmp))
|
||||
return;
|
||||
|
||||
if (tmp & BMSR_LSTATUS)
|
||||
|
@ -11,6 +11,7 @@
|
||||
|
||||
#define PEGASUS_II 0x80000000
|
||||
#define HAS_HOME_PNA 0x40000000
|
||||
#define TRUST_LINK_STATUS 0x20000000
|
||||
|
||||
#define PEGASUS_MTU 1536
|
||||
#define RX_SKBS 4
|
||||
@ -203,7 +204,7 @@ PEGASUS_DEV( "AEI USB Fast Ethernet Adapter", VENDOR_AEILAB, 0x1701,
|
||||
PEGASUS_DEV( "Allied Telesyn Int. AT-USB100", VENDOR_ALLIEDTEL, 0xb100,
|
||||
DEFAULT_GPIO_RESET | PEGASUS_II )
|
||||
PEGASUS_DEV( "Belkin F5D5050 USB Ethernet", VENDOR_BELKIN, 0x0121,
|
||||
DEFAULT_GPIO_RESET | PEGASUS_II )
|
||||
DEFAULT_GPIO_RESET | PEGASUS_II | TRUST_LINK_STATUS )
|
||||
PEGASUS_DEV( "Billionton USB-100", VENDOR_BILLIONTON, 0x0986,
|
||||
DEFAULT_GPIO_RESET )
|
||||
PEGASUS_DEV( "Billionton USBLP-100", VENDOR_BILLIONTON, 0x0987,
|
||||
|
Loading…
Reference in New Issue
Block a user