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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>
This commit is contained in:
Tomoya MORINAGA 2012-03-26 14:43:01 +09:00 committed by Greg Kroah-Hartman
parent 44db113212
commit 2a58364da0
1 changed files with 4 additions and 8 deletions
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12
drivers/tty/serial/pch_uart.c
View File

@ -552,14 +552,10 @@ static int pch_uart_hal_read(struct eg20t_port *priv, unsigned char *buf,
return i; 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; return ioread8(priv->membase + UART_IIR) &\
int ret; (PCH_UART_IIR_IID | PCH_UART_IIR_TOI | PCH_UART_IIR_IP);
iir = ioread8(priv->membase + UART_IIR);
ret = (iir & (PCH_UART_IIR_IID | PCH_UART_IIR_TOI | PCH_UART_IIR_IP));
return ret;
} }
static u8 pch_uart_hal_get_line_status(struct eg20t_port *priv) 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; unsigned int handled;
u8 lsr; u8 lsr;
int ret = 0; int ret = 0;
unsigned int iid; unsigned char iid;
unsigned long flags; unsigned long flags;
spin_lock_irqsave(&priv->port.lock, flags); spin_lock_irqsave(&priv->port.lock, flags);