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omap-serial: make serial_omap_restore_context depend on CONFIG_PM_RUNTIME 

The function serial_omap_restore_context is called only from
serial_omap_runtime_resume which depends on CONFIG_PM_RUNTIME. Make
serial_omap_restore_context also compile conditionally.

if CONFIG_PM_RUNTIME is not defined below warn may be seen.

  LD      net/xfrm/built-in.o
drivers/tty/serial/omap-serial.c:1524: warning: 'serial_omap_restore_context' defined but not used
  CC      drivers/tty/vt/selection.o

Acked-by: Govindraj.R <govindraj.raja@ti.com>
Signed-off-by: Shubhrajyoti D <shubhrajyoti@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Shubhrajyoti D 2012-01-16 15:52:37 +05:30 committed by Greg Kroah-Hartman
parent 3bc4f0d8f6
commit b5148856a2
1 changed files with 1 additions and 1 deletions
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2
drivers/tty/serial/omap-serial.c
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@ -1521,6 +1521,7 @@ static void serial_omap_mdr1_errataset(struct uart_omap_port *up, u8 mdr1)
}
}
#ifdef CONFIG_PM_RUNTIME
static void serial_omap_restore_context(struct uart_omap_port *up)
{
if (up->errata & UART_ERRATA_i202_MDR1_ACCESS)
@ -1550,7 +1551,6 @@ static void serial_omap_restore_context(struct uart_omap_port *up)
serial_out(up, UART_OMAP_MDR1, up->mdr1);
}
#ifdef CONFIG_PM_RUNTIME
static int serial_omap_runtime_suspend(struct device *dev)
{
struct uart_omap_port *up = dev_get_drvdata(dev);