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path: root/drivers/tty/serial
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Diffstat (limited to 'drivers/tty/serial')
-rw-r--r--drivers/tty/serial/atmel_serial.c2
-rw-r--r--drivers/tty/serial/of_serial.c1
-rw-r--r--drivers/tty/serial/uartlite.c11
-rw-r--r--drivers/tty/serial/xilinx_uartps.c12
4 files changed, 14 insertions, 12 deletions
diff --git a/drivers/tty/serial/atmel_serial.c b/drivers/tty/serial/atmel_serial.c
index 6ee5c6cefac0..11300f7b49cb 100644
--- a/drivers/tty/serial/atmel_serial.c
+++ b/drivers/tty/serial/atmel_serial.c
@@ -861,6 +861,7 @@ static int atmel_prepare_tx_dma(struct uart_port *port)
config.direction = DMA_MEM_TO_DEV;
config.dst_addr_width = DMA_SLAVE_BUSWIDTH_1_BYTE;
config.dst_addr = port->mapbase + ATMEL_US_THR;
+ config.dst_maxburst = 1;
ret = dmaengine_device_control(atmel_port->chan_tx,
DMA_SLAVE_CONFIG,
@@ -1025,6 +1026,7 @@ static int atmel_prepare_rx_dma(struct uart_port *port)
config.direction = DMA_DEV_TO_MEM;
config.src_addr_width = DMA_SLAVE_BUSWIDTH_1_BYTE;
config.src_addr = port->mapbase + ATMEL_US_RHR;
+ config.src_maxburst = 1;
ret = dmaengine_device_control(atmel_port->chan_rx,
DMA_SLAVE_CONFIG,
diff --git a/drivers/tty/serial/of_serial.c b/drivers/tty/serial/of_serial.c
index bf355050eab6..2e4b545f1823 100644
--- a/drivers/tty/serial/of_serial.c
+++ b/drivers/tty/serial/of_serial.c
@@ -262,7 +262,6 @@ static struct of_device_id of_platform_serial_table[] = {
{ .compatible = "ibm,qpace-nwp-serial",
.data = (void *)PORT_NWPSERIAL, },
#endif
- { .type = "serial", .data = (void *)PORT_UNKNOWN, },
{ /* end of list */ },
};
diff --git a/drivers/tty/serial/uartlite.c b/drivers/tty/serial/uartlite.c
index 189f52e3111f..a0099a7f60d4 100644
--- a/drivers/tty/serial/uartlite.c
+++ b/drivers/tty/serial/uartlite.c
@@ -632,7 +632,8 @@ MODULE_DEVICE_TABLE(of, ulite_of_match);
static int ulite_probe(struct platform_device *pdev)
{
- struct resource *res, *res2;
+ struct resource *res;
+ int irq;
int id = pdev->id;
#ifdef CONFIG_OF
const __be32 *prop;
@@ -646,11 +647,11 @@ static int ulite_probe(struct platform_device *pdev)
if (!res)
return -ENODEV;
- res2 = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
- if (!res2)
- return -ENODEV;
+ irq = platform_get_irq(pdev, 0);
+ if (irq <= 0)
+ return -ENXIO;
- return ulite_assign(&pdev->dev, id, res->start, res2->start);
+ return ulite_assign(&pdev->dev, id, res->start, irq);
}
static int ulite_remove(struct platform_device *pdev)
diff --git a/drivers/tty/serial/xilinx_uartps.c b/drivers/tty/serial/xilinx_uartps.c
index 200c1af2141b..fabde0e878e0 100644
--- a/drivers/tty/serial/xilinx_uartps.c
+++ b/drivers/tty/serial/xilinx_uartps.c
@@ -1303,9 +1303,9 @@ static SIMPLE_DEV_PM_OPS(cdns_uart_dev_pm_ops, cdns_uart_suspend,
*/
static int cdns_uart_probe(struct platform_device *pdev)
{
- int rc, id;
+ int rc, id, irq;
struct uart_port *port;
- struct resource *res, *res2;
+ struct resource *res;
struct cdns_uart *cdns_uart_data;
cdns_uart_data = devm_kzalloc(&pdev->dev, sizeof(*cdns_uart_data),
@@ -1352,9 +1352,9 @@ static int cdns_uart_probe(struct platform_device *pdev)
goto err_out_clk_disable;
}
- res2 = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
- if (!res2) {
- rc = -ENODEV;
+ irq = platform_get_irq(pdev, 0);
+ if (irq <= 0) {
+ rc = -ENXIO;
goto err_out_clk_disable;
}
@@ -1383,7 +1383,7 @@ static int cdns_uart_probe(struct platform_device *pdev)
* and triggers invocation of the config_port() entry point.
*/
port->mapbase = res->start;
- port->irq = res2->start;
+ port->irq = irq;
port->dev = &pdev->dev;
port->uartclk = clk_get_rate(cdns_uart_data->uartclk);
port->private_data = cdns_uart_data;