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/Linux-v4.19/Documentation/powerpc/
Dhvcs.txt52 major and minor numbers are associated with each vty-server. Directions
203 is a vty-server device configured for that node.
246 Hotplug add and remove of vty-server adapters affects which /dev/hvcs* node
247 is used to connect to each vty-server adapter. In order to determine which
248 vty-server adapter is associated with which /dev/hvcs* node a special sysfs
249 attribute has been added to each vty-server sysfs entry. This entry is
252 index attribute of vty-server adapter 30000004 shows the following.
257 This index of '2' means that in order to connect to vty-server adapter
261 system the /dev/hvcs* entry that interacts with a particular vty-server
270 and discards that data when a connection between a vty-server and a vty has
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/Linux-v4.19/drivers/tty/hvc/
Dhvsi.c1165 struct device_node *vty; in hvsi_console_init() local
1170 for_each_compatible_node(vty, "serial", "hvterm-protocol") { in hvsi_console_init()
1174 vtermno = of_get_property(vty, "reg", NULL); in hvsi_console_init()
1175 irq = of_get_property(vty, "interrupts", NULL); in hvsi_console_init()
1180 of_node_put(vty); in hvsi_console_init()