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ltq_atm: burn ifx_atm_alloc_tx with fire 

Drop code that was never used.

Tested on: BT HomeHub 5a

Signed-off-by: Kevin Darbyshire-Bryant <ldir@darbyshire-bryant.me.uk>
openwrt-19.07
Kevin Darbyshire-Bryant 2018-06-18 18:01:07 +00:00 committed by John Crispin
parent 591780615b
commit 83f31b7947
1 changed files with 1 additions and 44 deletions
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45
package/kernel/lantiq/ltq-atm/src/ltq_atm.c
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@ -187,7 +187,6 @@ static inline void u64_add_u32(ppe_u64_t, unsigned int, ppe_u64_t *);
*/
static inline struct sk_buff* alloc_skb_rx(void);
static inline struct sk_buff* alloc_skb_tx(unsigned int);
struct sk_buff* atm_alloc_tx(struct atm_vcc *, unsigned int);
static inline void atm_free_tx_skb_vcc(struct sk_buff *, struct atm_vcc *);
static inline struct sk_buff *get_skb_rx_pointer(unsigned int);
static inline int get_tx_desc(unsigned int);
@ -261,8 +260,6 @@ EXPORT_SYMBOL(ifx_mei_atm_showtime_exit);
#endif
static struct sk_buff* (*ifx_atm_alloc_tx)(struct atm_vcc *, unsigned int) = NULL;
static struct atm_priv_data g_atm_priv_data;
static struct atmdev_ops g_ifx_atm_ops = {
@ -430,8 +427,6 @@ static int ppe_open(struct atm_vcc *vcc)
/* enable irq */
if ( f_enable_irq ) {
ifx_atm_alloc_tx = atm_alloc_tx;
*MBOX_IGU1_ISRC = (1 << RX_DMA_CH_AAL) | (1 << RX_DMA_CH_OAM);
*MBOX_IGU1_IER = (1 << RX_DMA_CH_AAL) | (1 << RX_DMA_CH_OAM);
@ -480,10 +475,8 @@ static void ppe_close(struct atm_vcc *vcc)
clear_bit(conn, &g_atm_priv_data.conn_table);
/* disable irq */
if ( g_atm_priv_data.conn_table == 0 ) {
if ( g_atm_priv_data.conn_table == 0 )
disable_irq(PPE_MAILBOX_IGU1_INT);
ifx_atm_alloc_tx = NULL;
}
/* release bandwidth */
switch ( vcc->qos.txtp.traffic_class )
@ -785,42 +778,6 @@ static inline struct sk_buff* alloc_skb_tx(unsigned int size)
return skb;
}
struct sk_buff* atm_alloc_tx(struct atm_vcc *vcc, unsigned int size)
{
int conn;
struct sk_buff *skb;
/* oversize packet */
if ( size > aal5s_max_packet_size ) {
pr_err("atm_alloc_tx: oversize packet\n");
return NULL;
}
/* send buffer overflow */
if ( sk_wmem_alloc_get(sk_atm(vcc)) && !atm_may_send(vcc, size) ) {
pr_err("atm_alloc_tx: send buffer overflow\n");
return NULL;
}
conn = find_vcc(vcc);
if ( conn < 0 ) {
pr_err("atm_alloc_tx: unknown VCC\n");
return NULL;
}
skb = dev_alloc_skb(size);
if ( skb == NULL ) {
pr_err("atm_alloc_tx: sk buffer is used up\n");
return NULL;
}
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,13,0))
refcount_add(skb->truesize, &sk_atm(vcc)->sk_wmem_alloc);
#else
atomic_add(skb->truesize, &sk_atm(vcc)->sk_wmem_alloc);
#endif
return skb;
}
static inline void atm_free_tx_skb_vcc(struct sk_buff *skb, struct atm_vcc *vcc)
{
if ( vcc->pop != NULL )