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ARM: OMAP2+: UART: Fix compilation/sparse warnings

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Fixes below compilation warning.

drivers/tty/serial/omap-serial.c: In function 'serial_omap_irq':
drivers/tty/serial/omap-serial.c:228:29: warning: 'ch' may be used uninitialized in this function [-Wuninitialized]

Fix below sparse warning.

drivers/tty/serial/omap-serial.c:392:52: warning: incorrect type in argument 2 (different signedness)
drivers/tty/serial/omap-serial.c:392:52:    expected int *status
drivers/tty/serial/omap-serial.c:392:52:    got unsigned int *<noident>

Reported-by: Kevin Hilman <[email protected]>
Signed-off-by: Govindraj.R <[email protected]>
Acked-by: Greg Kroah-Hartman <[email protected]> (for drivers/tty changes)
Signed-off-by: Kevin Hilman <[email protected]>
This commit is contained in:
Govindraj.R 2011-12-14 21:24:11 +05:30 • committed by Kevin Hilman
commit da27468655
1 changed files with 4 additions and 3 deletions
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7
drivers/tty/serial/omap-serial.c
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@ -166,11 +166,12 @@ static void serial_omap_stop_rx(struct uart_port *port)
pm_runtime_put_autosuspend(&up->pdev->dev);
}
static inline void receive_chars(struct uart_omap_port *up, int *status)
static inline void receive_chars(struct uart_omap_port *up,
unsigned int *status)
{
struct tty_struct *tty = up->port.state->port.tty;
unsigned int flag;
unsigned char ch, lsr = *status;
unsigned int flag, lsr = *status;
unsigned char ch = 0;
int max_count = 256;
do {