[PATCH] Altix ioc4 serial - Arm the read timeout timer before the first read
Arm the read timeout timer before the first read.
Signed-off-by: Patrick Gefre <pfg@sgi.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/drivers/serial/ioc4_serial.c b/drivers/serial/ioc4_serial.c
index d9629ee..ba4e13a 100644
--- a/drivers/serial/ioc4_serial.c
+++ b/drivers/serial/ioc4_serial.c
@@ -838,7 +838,7 @@
port->ip_tx_prod = readl(&port->ip_serial_regs->stcir) & PROD_CONS_MASK;
writel(port->ip_tx_prod, &port->ip_serial_regs->stpir);
port->ip_rx_cons = readl(&port->ip_serial_regs->srpir) & PROD_CONS_MASK;
- writel(port->ip_rx_cons, &port->ip_serial_regs->srcir);
+ writel(port->ip_rx_cons | IOC4_SRCIR_ARM, &port->ip_serial_regs->srcir);
/* Disable interrupts for this 16550 */
uart = port->ip_uart_regs;