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authorIngo Molnar <mingo@kernel.org>2013-11-06 06:39:45 +0100
committerIngo Molnar <mingo@kernel.org>2013-11-06 06:39:45 +0100
commit97c53b402fcadb50201c23914f614bf8430d9c20 (patch)
tree3c9b94e866d150c3a2d8ac853e388c38fade8b45 /drivers/tty/serial/serial-tegra.c
parent6a716c90a51338009c3bc1f460829afaed8f922d (diff)
parent5e01dc7b26d9f24f39abace5da98ccbd6a5ceb52 (diff)
Merge tag 'v3.12' into core/locking to pick up mutex upates
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'drivers/tty/serial/serial-tegra.c')
-rw-r--r--drivers/tty/serial/serial-tegra.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/tty/serial/serial-tegra.c b/drivers/tty/serial/serial-tegra.c
index d0d972f7e43..0489a2bdcdf 100644
--- a/drivers/tty/serial/serial-tegra.c
+++ b/drivers/tty/serial/serial-tegra.c
@@ -732,7 +732,7 @@ static irqreturn_t tegra_uart_isr(int irq, void *data)
static void tegra_uart_stop_rx(struct uart_port *u)
{
struct tegra_uart_port *tup = to_tegra_uport(u);
- struct tty_struct *tty = tty_port_tty_get(&tup->uport.state->port);
+ struct tty_struct *tty;
struct tty_port *port = &u->state->port;
struct dma_tx_state state;
unsigned long ier;
@@ -744,6 +744,8 @@ static void tegra_uart_stop_rx(struct uart_port *u)
if (!tup->rx_in_progress)
return;
+ tty = tty_port_tty_get(&tup->uport.state->port);
+
tegra_uart_wait_sym_time(tup, 1); /* wait a character interval */
ier = tup->ier_shadow;