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path: root/drivers/serial/pmac_zilog.c
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Diffstat (limited to 'drivers/serial/pmac_zilog.c')
-rw-r--r--drivers/serial/pmac_zilog.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/serial/pmac_zilog.c b/drivers/serial/pmac_zilog.c
index 85abd8a045e0..1c9f71617123 100644
--- a/drivers/serial/pmac_zilog.c
+++ b/drivers/serial/pmac_zilog.c
@@ -604,7 +604,7 @@ static void pmz_set_mctrl(struct uart_port *port, unsigned int mctrl)
/*
* Get Modem Control bits (only the input ones, the core will
* or that with a cached value of the control ones)
- * The port lock is not held.
+ * The port lock is held and interrupts are disabled.
*/
static unsigned int pmz_get_mctrl(struct uart_port *port)
{
@@ -615,7 +615,7 @@ static unsigned int pmz_get_mctrl(struct uart_port *port)
if (ZS_IS_ASLEEP(uap) || uap->node == NULL)
return 0;
- status = pmz_peek_status(to_pmz(port));
+ status = read_zsreg(uap, R0);
ret = 0;
if (status & DCD)