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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>
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@ -1521,6 +1521,7 @@ static void serial_omap_mdr1_errataset(struct uart_omap_port *up, u8 mdr1)
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}
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}
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#ifdef CONFIG_PM_RUNTIME
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static void serial_omap_restore_context(struct uart_omap_port *up)
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{
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if (up->errata & UART_ERRATA_i202_MDR1_ACCESS)
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@ -1550,7 +1551,6 @@ static void serial_omap_restore_context(struct uart_omap_port *up)
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serial_out(up, UART_OMAP_MDR1, up->mdr1);
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}
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#ifdef CONFIG_PM_RUNTIME
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static int serial_omap_runtime_suspend(struct device *dev)
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{
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struct uart_omap_port *up = dev_get_drvdata(dev);
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