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Subject[PATCH] {tty: serial, nand: onenand}: remove variable 'ufstat' set but not used
Date
Fixes gcc '-Wunused-but-set-variable' warning:

drivers/tty/serial/samsung_tty.c: In function s3c24xx_serial_rx_chars_dma:
drivers/tty/serial/samsung_tty.c:549:24: warning: variable ufstat set but not used [-Wunused-but-set-variable]

Signed-off-by: Chen Wandun <chenwandun@huawei.com>
---
drivers/tty/serial/samsung_tty.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/tty/serial/samsung_tty.c b/drivers/tty/serial/samsung_tty.c
index 83fd516..ab3c7d1 100644
--- a/drivers/tty/serial/samsung_tty.c
+++ b/drivers/tty/serial/samsung_tty.c
@@ -546,7 +546,7 @@ static void s3c24xx_serial_rx_drain_fifo(struct s3c24xx_uart_port *ourport);

static irqreturn_t s3c24xx_serial_rx_chars_dma(void *dev_id)
{
- unsigned int utrstat, ufstat, received;
+ unsigned int utrstat, received;
struct s3c24xx_uart_port *ourport = dev_id;
struct uart_port *port = &ourport->port;
struct s3c24xx_uart_dma *dma = ourport->dma;
@@ -556,7 +556,7 @@ static irqreturn_t s3c24xx_serial_rx_chars_dma(void *dev_id)
struct dma_tx_state state;

utrstat = rd_regl(port, S3C2410_UTRSTAT);
- ufstat = rd_regl(port, S3C2410_UFSTAT);
+ rd_regl(port, S3C2410_UFSTAT);

spin_lock_irqsave(&port->lock, flags);

--
2.7.4
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