diff --git a/drivers/accessibility/speakup/spk_ttyio.c b/drivers/accessibility/speakup/spk_ttyio.c
index 08cf8a17754bb6147e85d5932a063efd446ed29a..07373b3debd1e61efd293d51598545769503f29f 100644
--- a/drivers/accessibility/speakup/spk_ttyio.c
+++ b/drivers/accessibility/speakup/spk_ttyio.c
@@ -354,6 +354,9 @@ void spk_ttyio_release(struct spk_synth *in_synth)
{
struct tty_struct *tty = in_synth->dev;
+ if (tty == NULL)
+ return;
+
tty_lock(tty);
if (tty->ops->close)
diff --git a/drivers/tty/serial/8250/8250_exar.c b/drivers/tty/serial/8250/8250_exar.c
index 314a05e009df97f840928ce1510ebc905d6534b4..64770c62bbec5436d332821ffaf57074276b2422 100644
--- a/drivers/tty/serial/8250/8250_exar.c
+++ b/drivers/tty/serial/8250/8250_exar.c
@@ -43,6 +43,12 @@
#define PCI_DEVICE_ID_EXAR_XR17V4358 0x4358
#define PCI_DEVICE_ID_EXAR_XR17V8358 0x8358
+#define PCI_DEVICE_ID_SEALEVEL_710xC 0x1001
+#define PCI_DEVICE_ID_SEALEVEL_720xC 0x1002
+#define PCI_DEVICE_ID_SEALEVEL_740xC 0x1004
+#define PCI_DEVICE_ID_SEALEVEL_780xC 0x1008
+#define PCI_DEVICE_ID_SEALEVEL_716xC 0x1010
+
#define UART_EXAR_INT0 0x80
#define UART_EXAR_8XMODE 0x88 /* 8X sampling rate select */
#define UART_EXAR_SLEEP 0x8b /* Sleep mode */
@@ -638,6 +644,8 @@ exar_pci_probe(struct pci_dev *pcidev, const struct pci_device_id *ent)
nr_ports = BIT(((pcidev->device & 0x38) >> 3) - 1);
else if (board->num_ports)
nr_ports = board->num_ports;
+ else if (pcidev->vendor == PCI_VENDOR_ID_SEALEVEL)
+ nr_ports = pcidev->device & 0xff;
else
nr_ports = pcidev->device & 0x0f;
@@ -864,6 +872,12 @@ static const struct pci_device_id exar_pci_tbl[] = {
EXAR_DEVICE(COMMTECH, 4224PCI335, pbn_fastcom335_4),
EXAR_DEVICE(COMMTECH, 2324PCI335, pbn_fastcom335_4),
EXAR_DEVICE(COMMTECH, 2328PCI335, pbn_fastcom335_8),
+
+ EXAR_DEVICE(SEALEVEL, 710xC, pbn_exar_XR17V35x),
+ EXAR_DEVICE(SEALEVEL, 720xC, pbn_exar_XR17V35x),
+ EXAR_DEVICE(SEALEVEL, 740xC, pbn_exar_XR17V35x),
+ EXAR_DEVICE(SEALEVEL, 780xC, pbn_exar_XR17V35x),
+ EXAR_DEVICE(SEALEVEL, 716xC, pbn_exar_XR17V35x),
{ 0, }
};
MODULE_DEVICE_TABLE(pci, exar_pci_tbl);
diff --git a/drivers/tty/serial/amba-pl011.c b/drivers/tty/serial/amba-pl011.c
index d75c39f4622b7b6ae53f1f9bc053dd0c5476083b..d8c2f3455eebad589a712d2e8e6a4be91f3ddcf4 100644
--- a/drivers/tty/serial/amba-pl011.c
+++ b/drivers/tty/serial/amba-pl011.c
@@ -1466,6 +1466,10 @@ static bool pl011_tx_chars(struct uart_amba_port *uap, bool from_irq)
struct circ_buf *xmit = &uap->port.state->xmit;
int count = uap->fifosize >> 1;
+ if ((uap->port.rs485.flags & SER_RS485_ENABLED) &&
+ !uap->rs485_tx_started)
+ pl011_rs485_tx_start(uap);
+
if (uap->port.x_char) {
if (!pl011_tx_char(uap, uap->port.x_char, from_irq))
return true;
@@ -1477,10 +1481,6 @@ static bool pl011_tx_chars(struct uart_amba_port *uap, bool from_irq)
return false;
}
- if ((uap->port.rs485.flags & SER_RS485_ENABLED) &&
- !uap->rs485_tx_started)
- pl011_rs485_tx_start(uap);
-
/* If we are using DMA mode, try to send some characters. */
if (pl011_dma_tx_irq(uap))
return true;
diff --git a/drivers/tty/serial/atmel_serial.c b/drivers/tty/serial/atmel_serial.c
index f1c06e12efa0bb7e720c004fffcc51394e2fd885..9cd7479b03c086e6825218ae905f98a2d4b48f95 100644
--- a/drivers/tty/serial/atmel_serial.c
+++ b/drivers/tty/serial/atmel_serial.c
@@ -2657,13 +2657,7 @@ static void __init atmel_console_get_options(struct uart_port *port, int *baud,
else if (mr == ATMEL_US_PAR_ODD)
*parity = 'o';
- /*
- * The serial core only rounds down when matching this to a
- * supported baud rate. Make sure we don't end up slightly
- * lower than one of those, as it would make us fall through
- * to a much lower baud rate than we really want.
- */
- *baud = port->uartclk / (16 * (quot - 1));
+ *baud = port->uartclk / (16 * quot);
}
static int __init atmel_console_setup(struct console *co, char *options)
diff --git a/drivers/tty/serial/pch_uart.c b/drivers/tty/serial/pch_uart.c
index 3d54a43768cd2497180920ce1103f34d1ad3cd14..9576ba8bbc40ec59aca15ddf3c279f784274944c 100644
--- a/drivers/tty/serial/pch_uart.c
+++ b/drivers/tty/serial/pch_uart.c
@@ -749,7 +749,7 @@ static void pch_dma_tx_complete(void *arg)
uart_xmit_advance(port, sg_dma_len(sg));
async_tx_ack(priv->desc_tx);
- dma_unmap_sg(port->dev, sg, priv->orig_nent, DMA_TO_DEVICE);
+ dma_unmap_sg(port->dev, priv->sg_tx_p, priv->orig_nent, DMA_TO_DEVICE);
priv->tx_dma_use = 0;
priv->nent = 0;
priv->orig_nent = 0;
diff --git a/drivers/tty/serial/qcom_geni_serial.c b/drivers/tty/serial/qcom_geni_serial.c
index b487823f0e61724ba8cdb38ff11f8e5c28bfbf6a..57f04f8bf5043206d23a8f93e4285c8dd8347d4e 100644
--- a/drivers/tty/serial/qcom_geni_serial.c
+++ b/drivers/tty/serial/qcom_geni_serial.c
@@ -864,9 +864,10 @@ static irqreturn_t qcom_geni_serial_isr(int isr, void *dev)
return IRQ_HANDLED;
}
-static void get_tx_fifo_size(struct qcom_geni_serial_port *port)
+static int setup_fifos(struct qcom_geni_serial_port *port)
{
struct uart_port *uport;
+ u32 old_rx_fifo_depth = port->rx_fifo_depth;
uport = &port->uport;
port->tx_fifo_depth = geni_se_get_tx_fifo_depth(&port->se);
@@ -874,6 +875,16 @@ static void get_tx_fifo_size(struct qcom_geni_serial_port *port)
port->rx_fifo_depth = geni_se_get_rx_fifo_depth(&port->se);
uport->fifosize =
(port->tx_fifo_depth * port->tx_fifo_width) / BITS_PER_BYTE;
+
+ if (port->rx_fifo && (old_rx_fifo_depth != port->rx_fifo_depth) && port->rx_fifo_depth) {
+ port->rx_fifo = devm_krealloc(uport->dev, port->rx_fifo,
+ port->rx_fifo_depth * sizeof(u32),
+ GFP_KERNEL);
+ if (!port->rx_fifo)
+ return -ENOMEM;
+ }
+
+ return 0;
}
@@ -888,6 +899,7 @@ static int qcom_geni_serial_port_setup(struct uart_port *uport)
u32 rxstale = DEFAULT_BITS_PER_CHAR * STALE_TIMEOUT;
u32 proto;
u32 pin_swap;
+ int ret;
proto = geni_se_read_proto(&port->se);
if (proto != GENI_SE_UART) {
@@ -897,7 +909,9 @@ static int qcom_geni_serial_port_setup(struct uart_port *uport)
qcom_geni_serial_stop_rx(uport);
- get_tx_fifo_size(port);
+ ret = setup_fifos(port);
+ if (ret)
+ return ret;
writel(rxstale, uport->membase + SE_UART_RX_STALE_CNT);
@@ -1516,7 +1530,7 @@ static int qcom_geni_serial_remove(struct platform_device *pdev)
return 0;
}
-static int __maybe_unused qcom_geni_serial_sys_suspend(struct device *dev)
+static int qcom_geni_serial_sys_suspend(struct device *dev)
{
struct qcom_geni_serial_port *port = dev_get_drvdata(dev);
struct uart_port *uport = &port->uport;
@@ -1533,7 +1547,7 @@ static int __maybe_unused qcom_geni_serial_sys_suspend(struct device *dev)
return uart_suspend_port(private_data->drv, uport);
}
-static int __maybe_unused qcom_geni_serial_sys_resume(struct device *dev)
+static int qcom_geni_serial_sys_resume(struct device *dev)
{
int ret;
struct qcom_geni_serial_port *port = dev_get_drvdata(dev);
@@ -1581,10 +1595,12 @@ static int qcom_geni_serial_sys_hib_resume(struct device *dev)
}
static const struct dev_pm_ops qcom_geni_serial_pm_ops = {
- SET_SYSTEM_SLEEP_PM_OPS(qcom_geni_serial_sys_suspend,
- qcom_geni_serial_sys_resume)
- .restore = qcom_geni_serial_sys_hib_resume,
- .thaw = qcom_geni_serial_sys_hib_resume,
+ .suspend = pm_sleep_ptr(qcom_geni_serial_sys_suspend),
+ .resume = pm_sleep_ptr(qcom_geni_serial_sys_resume),
+ .freeze = pm_sleep_ptr(qcom_geni_serial_sys_suspend),
+ .poweroff = pm_sleep_ptr(qcom_geni_serial_sys_suspend),
+ .restore = pm_sleep_ptr(qcom_geni_serial_sys_hib_resume),
+ .thaw = pm_sleep_ptr(qcom_geni_serial_sys_hib_resume),
};
static const struct of_device_id qcom_geni_serial_match_table[] = {