Changeset 07cb0108 in mainline for uspace/lib/c/generic/irc.c

Timestamp:

2017-10-08T20:55:13Z (7 years ago)

Author:

Jiri Svoboda <jiri@…>

Branches:

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

Children:

b08941d

Parents:

53a309e

Message:

Sort out irc_disable_interrupt vs irc_clear_interrupt.

File:

• uspace/lib/c/generic/irc.c (modified) (2 diffs)

uspace/lib/c/generic/irc.c

@@ -61 +61 @@
 /** Enable interrupt.
  *
+ * Allow interrupt delivery.
+ *
  * @param irq   IRQ number
  */
@@ -80 +82 @@
 }
 
-
 /** Disable interrupt.
+ *
+ * Disallow interrupt delivery.
  *
  * @param irq   IRQ number
  */
 int irc_disable_interrupt(int irq)
+{
+        int rc;
+
+        if (irc_sess == NULL) {
+                rc = irc_init();
+                if (rc != EOK)
+                        return rc;
+        }
+
+        async_exch_t *exch = async_exchange_begin(irc_sess);
+        rc = async_req_1_0(exch, IRC_DISABLE_INTERRUPT, irq);
+        async_exchange_end(exch);
+
+        return rc;
+}
+
+/** Clear interrupt.
+ *
+ * Clear/acknowledge interrupt in interrupt controller so that
+ * another interrupt can be delivered.
+ *
+ * @param irq   IRQ number
+ */
+int irc_clear_interrupt(int irq)
 {
         int rc;