diff options
| author | Tomoya MORINAGA <tomoya.rohm@gmail.com> | 2012-03-26 14:43:01 +0900 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2012-04-09 12:08:41 -0700 |
| commit | 2a58364da0c04f8dc42cdfe7a4de9d17e536cda8 (patch) | |
| tree | 9de6182652ada2646547658b1ee0ee26400874fd /drivers/tty | |
| parent | 44db113212d86a5870c2bfe8fb767fa842d68805 (diff) | |
pch_uart: change type to u8
Target uart register access size is 8bit.
However, 32bit is used at 2 points.
This patch modifies type "unsigned int" to "unsigned char".
Signed-off-by: Tomoya MORINAGA <tomoya.rohm@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/tty')
| -rw-r--r-- | drivers/tty/serial/pch_uart.c | 12 |
1 files changed, 4 insertions, 8 deletions
diff --git a/drivers/tty/serial/pch_uart.c b/drivers/tty/serial/pch_uart.c index 110595ed33f..32ac7ea259d 100644 --- a/drivers/tty/serial/pch_uart.c +++ b/drivers/tty/serial/pch_uart.c @@ -552,14 +552,10 @@ static int pch_uart_hal_read(struct eg20t_port *priv, unsigned char *buf, return i; } -static unsigned int pch_uart_hal_get_iid(struct eg20t_port *priv) +static unsigned char pch_uart_hal_get_iid(struct eg20t_port *priv) { - unsigned int iir; - int ret; - - iir = ioread8(priv->membase + UART_IIR); - ret = (iir & (PCH_UART_IIR_IID | PCH_UART_IIR_TOI | PCH_UART_IIR_IP)); - return ret; + return ioread8(priv->membase + UART_IIR) &\ + (PCH_UART_IIR_IID | PCH_UART_IIR_TOI | PCH_UART_IIR_IP); } static u8 pch_uart_hal_get_line_status(struct eg20t_port *priv) @@ -1045,7 +1041,7 @@ static irqreturn_t pch_uart_interrupt(int irq, void *dev_id) unsigned int handled; u8 lsr; int ret = 0; - unsigned int iid; + unsigned char iid; unsigned long flags; spin_lock_irqsave(&priv->port.lock, flags); |