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path: root/drivers/net/wan/hd6457x.c
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Diffstat (limited to 'drivers/net/wan/hd6457x.c')
-rw-r--r--drivers/net/wan/hd6457x.c26
1 files changed, 20 insertions, 6 deletions
diff --git a/drivers/net/wan/hd6457x.c b/drivers/net/wan/hd6457x.c
index d3743321a977..dce2bb317b82 100644
--- a/drivers/net/wan/hd6457x.c
+++ b/drivers/net/wan/hd6457x.c
@@ -168,6 +168,23 @@ static inline u32 buffer_offset(port_t *port, u16 desc, int transmit)
168} 168}
169 169
170 170
171static inline void sca_set_carrier(port_t *port)
172{
173 if (!(sca_in(get_msci(port) + ST3, port_to_card(port)) & ST3_DCD)) {
174#ifdef DEBUG_LINK
175 printk(KERN_DEBUG "%s: sca_set_carrier on\n",
176 port_to_dev(port)->name);
177#endif
178 netif_carrier_on(port_to_dev(port));
179 } else {
180#ifdef DEBUG_LINK
181 printk(KERN_DEBUG "%s: sca_set_carrier off\n",
182 port_to_dev(port)->name);
183#endif
184 netif_carrier_off(port_to_dev(port));
185 }
186}
187
171 188
172static void sca_init_sync_port(port_t *port) 189static void sca_init_sync_port(port_t *port)
173{ 190{
@@ -237,9 +254,7 @@ static void sca_init_sync_port(port_t *port)
237 sca_out(DIR_BOFE, DIR_TX(phy_node(port)), card); 254 sca_out(DIR_BOFE, DIR_TX(phy_node(port)), card);
238 } 255 }
239 } 256 }
240 257 sca_set_carrier(port);
241 hdlc_set_carrier(!(sca_in(get_msci(port) + ST3, card) & ST3_DCD),
242 port_to_dev(port));
243} 258}
244 259
245 260
@@ -262,8 +277,7 @@ static inline void sca_msci_intr(port_t *port)
262 } 277 }
263 278
264 if (stat & ST1_CDCD) 279 if (stat & ST1_CDCD)
265 hdlc_set_carrier(!(sca_in(msci + ST3, card) & ST3_DCD), 280 sca_set_carrier(port);
266 port_to_dev(port));
267} 281}
268#endif 282#endif
269 283
@@ -566,7 +580,7 @@ static void sca_open(struct net_device *dev)
566 - all DMA interrupts 580 - all DMA interrupts
567*/ 581*/
568 582
569 hdlc_set_carrier(!(sca_in(msci + ST3, card) & ST3_DCD), dev); 583 sca_set_carrier(port);
570 584
571#ifdef __HD64570_H 585#ifdef __HD64570_H
572 /* MSCI TX INT and RX INT A IRQ enable */ 586 /* MSCI TX INT and RX INT A IRQ enable */