Commit aec079f8 authored by Claudiu Beznea's avatar Claudiu Beznea Committed by Greg Kroah-Hartman
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tty: serial: atmel: use macros instead of hardcoded values 



Use UART_PM_STATE_ON, UART_PM_STATE_OFF instead of hardcoded values.

Reviewed-by: default avatarNicolas Ferre <nicolas.ferre@microchip.com>
Acked-by: default avatarRichard Genoud <richard.genoud@gmail.com>
Signed-off-by: default avatarClaudiu Beznea <claudiu.beznea@microchip.com>
Link: https://lore.kernel.org/r/20211007112014.2332019-1-claudiu.beznea@microchip.com


Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 4c9883e1

drivers/tty/serial/atmel_serial.c

+2 −2
Original line number Original line Diff line number Diff line
@@ -2084,7 +2084,7 @@ static void atmel_serial_pm(struct uart_port *port, unsigned int state, 
	struct atmel_uart_port *atmel_port = to_atmel_uart_port(port);

	struct atmel_uart_port *atmel_port = to_atmel_uart_port(port);





	switch (state) {

	switch (state) {

	case 0:

	case UART_PM_STATE_ON:

		/*

		/*

		 * Enable the peripheral clock for this serial port.

		 * Enable the peripheral clock for this serial port.

		 * This is called on uart_open() or a resume event.

		 * This is called on uart_open() or a resume event.
@@ -2094,7 +2094,7 @@ static void atmel_serial_pm(struct uart_port *port, unsigned int state, 
		/* re-enable interrupts if we disabled some on suspend */

		/* re-enable interrupts if we disabled some on suspend */

		atmel_uart_writel(port, ATMEL_US_IER, atmel_port->backup_imr);

		atmel_uart_writel(port, ATMEL_US_IER, atmel_port->backup_imr);

		break;

		break;

	case 3:

	case UART_PM_STATE_OFF:

		/* Back up the interrupt mask and disable all interrupts */

		/* Back up the interrupt mask and disable all interrupts */

		atmel_port->backup_imr = atmel_uart_readl(port, ATMEL_US_IMR);

		atmel_port->backup_imr = atmel_uart_readl(port, ATMEL_US_IMR);

		atmel_uart_writel(port, ATMEL_US_IDR, -1);

		atmel_uart_writel(port, ATMEL_US_IDR, -1);