Merge branch 'x86-cpu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git...

[firefly-linux-kernel-4.4.55.git] / drivers / serial / amba-pl011.c

diff --git a/drivers/serial/amba-pl011.c b/drivers/serial/amba-pl011.c
index bf82e28770a9845af5cfef55098605e98bcef728..ef7adc8135dd4755fbd3cbde2c560988ea2afc0f 100644 (file)
--- a/drivers/serial/amba-pl011.c
+++ b/drivers/serial/amba-pl011.c
@@ -124,7 +124,7 @@ static void pl011_enable_ms(struct uart_port *port)
 
 static void pl011_rx_chars(struct uart_amba_port *uap)
 {
-       struct tty_struct *tty = uap->port.info->port.tty;
+       struct tty_struct *tty = uap->port.state->port.tty;
        unsigned int status, ch, flag, max_count = 256;
 
        status = readw(uap->port.membase + UART01x_FR);
@@ -175,7 +175,7 @@ static void pl011_rx_chars(struct uart_amba_port *uap)
 
 static void pl011_tx_chars(struct uart_amba_port *uap)
 {
-       struct circ_buf *xmit = &uap->port.info->xmit;
+       struct circ_buf *xmit = &uap->port.state->xmit;
        int count;
 
        if (uap->port.x_char) {
@@ -226,7 +226,7 @@ static void pl011_modem_status(struct uart_amba_port *uap)
        if (delta & UART01x_FR_CTS)
                uart_handle_cts_change(&uap->port, status & UART01x_FR_CTS);
 
-       wake_up_interruptible(&uap->port.info->delta_msr_wait);
+       wake_up_interruptible(&uap->port.state->port.delta_msr_wait);
 }
 
 static irqreturn_t pl011_int(int irq, void *dev_id)
@@ -826,6 +826,28 @@ static int pl011_remove(struct amba_device *dev)
        return 0;
 }
 
+#ifdef CONFIG_PM
+static int pl011_suspend(struct amba_device *dev, pm_message_t state)
+{
+       struct uart_amba_port *uap = amba_get_drvdata(dev);
+
+       if (!uap)
+               return -EINVAL;
+
+       return uart_suspend_port(&amba_reg, &uap->port);
+}
+
+static int pl011_resume(struct amba_device *dev)
+{
+       struct uart_amba_port *uap = amba_get_drvdata(dev);
+
+       if (!uap)
+               return -EINVAL;
+
+       return uart_resume_port(&amba_reg, &uap->port);
+}
+#endif
+
 static struct amba_id pl011_ids[] __initdata = {
        {
                .id     = 0x00041011,
@@ -847,6 +869,10 @@ static struct amba_driver pl011_driver = {
        .id_table       = pl011_ids,
        .probe          = pl011_probe,
        .remove         = pl011_remove,
+#ifdef CONFIG_PM
+       .suspend        = pl011_suspend,
+       .resume         = pl011_resume,
+#endif
 };
 
 static int __init pl011_init(void)