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path: root/drivers/serial/sunhv.c
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Diffstat (limited to 'drivers/serial/sunhv.c')
-rw-r--r--drivers/serial/sunhv.c35
1 files changed, 18 insertions, 17 deletions
diff --git a/drivers/serial/sunhv.c b/drivers/serial/sunhv.c
index f137804b3133..ba22e256c6f7 100644
--- a/drivers/serial/sunhv.c
+++ b/drivers/serial/sunhv.c
@@ -427,31 +427,32 @@ static int __init hv_console_compatible(char *buf, int len)
427 427
428static unsigned int __init get_interrupt(void) 428static unsigned int __init get_interrupt(void)
429{ 429{
430 const char *cons_str = "console"; 430 struct device_node *dev_node;
431 const char *compat_str = "compatible";
432 int node = prom_getchild(sun4v_vdev_root);
433 char buf[64];
434 int err, len;
435
436 node = prom_searchsiblings(node, cons_str);
437 if (!node)
438 return 0;
439 431
440 len = prom_getproplen(node, compat_str); 432 dev_node = sun4v_vdev_root->child;
441 if (len == 0 || len == -1) 433 while (dev_node != NULL) {
442 return 0; 434 struct property *prop;
443 435
444 err = prom_getproperty(node, compat_str, buf, 64); 436 if (strcmp(dev_node->name, "console"))
445 if (err == -1) 437 goto next_sibling;
446 return 0; 438
439 prop = of_find_property(dev_node, "compatible", NULL);
440 if (!prop)
441 goto next_sibling;
447 442
448 if (!hv_console_compatible(buf, len)) 443 if (hv_console_compatible(prop->value, prop->length))
444 break;
445
446 next_sibling:
447 dev_node = dev_node->sibling;
448 }
449 if (!dev_node)
449 return 0; 450 return 0;
450 451
451 /* Ok, the this is the OBP node for the sun4v hypervisor 452 /* Ok, the this is the OBP node for the sun4v hypervisor
452 * console device. Decode the interrupt. 453 * console device. Decode the interrupt.
453 */ 454 */
454 return sun4v_vdev_device_interrupt(node); 455 return sun4v_vdev_device_interrupt(dev_node);
455} 456}
456 457
457static int __init sunhv_init(void) 458static int __init sunhv_init(void)