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net: pcnet: Pass private data through dev->priv

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Get rid of the global point to private data, and rather pass it
thought dev->priv. Also remove the unnecessary check for lp being
non-NULL, since it is always NULL at this point.

Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
Cc: Daniel Schwierzeck <daniel.schwierzeck@gmail.com>
Cc: Joe Hershberger <joe.hershberger@ni.com>
This commit is contained in:
Marek Vasut 2020-05-17 16:47:07 +02:00
parent 60074d9d3e
commit fdf6cbe54d
1 changed files with 10 additions and 10 deletions
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20
drivers/net/pcnet.c
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@ -87,8 +87,6 @@ struct pcnet_priv {
int cur_tx;
};
static struct pcnet_priv *lp;
/* Offsets from base I/O address for WIO mode */
#define PCNET_RDP 0x10
#define PCNET_RAP 0x12
@ -212,6 +210,7 @@ static int pcnet_probe(struct eth_device *dev, bd_t *bis, int dev_nr)
static int pcnet_init(struct eth_device *dev, bd_t *bis)
{
struct pcnet_priv *lp = dev->priv;
struct pcnet_uncached_priv *uc;
int i, val;
unsigned long addr;
@ -331,6 +330,7 @@ static int pcnet_init(struct eth_device *dev, bd_t *bis)
static int pcnet_send(struct eth_device *dev, void *packet, int pkt_len)
{
struct pcnet_priv *lp = dev->priv;
int i, status;
u32 addr;
struct pcnet_tx_head *entry = &lp->uc->tx_ring[lp->cur_tx];
@ -379,6 +379,7 @@ static int pcnet_send(struct eth_device *dev, void *packet, int pkt_len)
static int pcnet_recv (struct eth_device *dev)
{
struct pcnet_priv *lp = dev->priv;
struct pcnet_rx_head *entry;
unsigned char *buf;
int pkt_len = 0;
@ -455,6 +456,7 @@ int pcnet_initialize(bd_t *bis)
{
pci_dev_t devbusfn;
struct eth_device *dev;
struct pcnet_priv *lp;
u16 command, status;
int dev_nr = 0;
u32 bar;
@ -483,15 +485,13 @@ int pcnet_initialize(bd_t *bis)
* never be used concurrently. In 32bit mode the RX and TX
* ring entries must be aligned on 16-byte boundaries.
*/
if (!lp) {
lp = malloc_cache_aligned(sizeof(*lp));
lp->uc = map_physmem((phys_addr_t)&lp->ucp,
sizeof(lp->ucp), MAP_NOCACHE);
flush_dcache_range((unsigned long)lp,
(unsigned long)lp + sizeof(*lp));
}
lp = malloc_cache_aligned(sizeof(*lp));
lp->uc = map_physmem((phys_addr_t)&lp->ucp,
sizeof(lp->ucp), MAP_NOCACHE);
lp->dev = devbusfn;
flush_dcache_range((unsigned long)lp,
(unsigned long)lp + sizeof(*lp));
dev->priv = lp;
sprintf(dev->name, "pcnet#%d", dev_nr);
/*