---

yaml --- r: 160978 b: refs/heads/master c: c47a830 h: refs/heads/master v: v3
git-mirror · Sep 2, 2009 · dc9955b · dc9955b
1 parent 8463640
commit dc9955b
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Showing 2 changed files with 6 additions and 2 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 13f96d8f4c5a3f6a6b5e578d08869d79d690e0b2
+refs/heads/master: c47a830c08a26a7c210ae16a0ffe3f56ba86ea69
diff --git a/trunk/drivers/serial/serial_ks8695.c b/trunk/drivers/serial/serial_ks8695.c
@@ -110,7 +110,11 @@ static struct console ks8695_console;
 static void ks8695uart_stop_tx(struct uart_port *port)
 {
 	if (tx_enabled(port)) {
-		disable_irq(KS8695_IRQ_UART_TX);
+		/* use disable_irq_nosync() and not disable_irq() to avoid self
+		 * imposed deadlock by not waiting for irq handler to end,
+		 * since this ks8695uart_stop_tx() is called from interrupt context.
+		 */
+		disable_irq_nosync(KS8695_IRQ_UART_TX);
 		tx_enable(port, 0);
 	}
 }