Changeset 3a11f17 in mainline for uspace/drv/char/ns8250/ns8250.c

Timestamp:

2011-09-16T22:07:51Z (13 years ago)

Author:

Martin Sucha <sucha14@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

a281aec5

Parents:

432a269

Message:

ns8250: enable interrupts using IRC service
This fixes reading of data from the serial port

File:

• uspace/drv/char/ns8250/ns8250.c (modified) (2 diffs)

uspace/drv/char/ns8250/ns8250.c

@@ -59 +59 @@
 
 #include <devman.h>
+#include <ns.h>
 #include <ipc/devman.h>
+#include <ipc/services.h>
+#include <ipc/irc.h>
 #include <device/hw_res.h>
 #include <ipc/serial_ctl.h>
@@ -409 +412 @@
 static int ns8250_interrupt_enable(ns8250_t *ns)
 {
+        async_sess_t *irc_sess = service_connect_blocking(EXCHANGE_SERIALIZE,
+            SERVICE_IRC, 0, 0);
+
+        async_exch_t *exch = async_exchange_begin(irc_sess);
+        async_msg_1(exch, IRC_ENABLE_INTERRUPT, ns->irq);
+        async_exchange_end(exch);
+
         /* Enable interrupt on the serial port. */
         ns8250_port_interrupts_enable(ns->port);