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-rw-r--r--drivers/tty/hvc/hvc_xen.c15
-rw-r--r--drivers/tty/serial/amba-pl011.c2
-rw-r--r--drivers/tty/serial/imx.c6
-rw-r--r--drivers/tty/serial/mxs-auart.c42
-rw-r--r--drivers/tty/serial/sh-sci.c13
-rw-r--r--drivers/tty/serial/uartlite.c3
6 files changed, 56 insertions, 25 deletions
diff --git a/drivers/tty/hvc/hvc_xen.c b/drivers/tty/hvc/hvc_xen.c
index 944eaeb8e0cf..1e456dca4f60 100644
--- a/drivers/tty/hvc/hvc_xen.c
+++ b/drivers/tty/hvc/hvc_xen.c
@@ -209,11 +209,10 @@ static int xen_hvm_console_init(void)
info = kzalloc(sizeof(struct xencons_info), GFP_KERNEL | __GFP_ZERO);
if (!info)
return -ENOMEM;
- }
-
- /* already configured */
- if (info->intf != NULL)
+ } else if (info->intf != NULL) {
+ /* already configured */
return 0;
+ }
/*
* If the toolstack (or the hypervisor) hasn't set these values, the
* default value is 0. Even though mfn = 0 and evtchn = 0 are
@@ -259,12 +258,10 @@ static int xen_pv_console_init(void)
info = kzalloc(sizeof(struct xencons_info), GFP_KERNEL | __GFP_ZERO);
if (!info)
return -ENOMEM;
- }
-
- /* already configured */
- if (info->intf != NULL)
+ } else if (info->intf != NULL) {
+ /* already configured */
return 0;
-
+ }
info->evtchn = xen_start_info->console.domU.evtchn;
info->intf = mfn_to_virt(xen_start_info->console.domU.mfn);
info->vtermno = HVC_COOKIE;
diff --git a/drivers/tty/serial/amba-pl011.c b/drivers/tty/serial/amba-pl011.c
index b81cc31f2657..92b1ac8db63d 100644
--- a/drivers/tty/serial/amba-pl011.c
+++ b/drivers/tty/serial/amba-pl011.c
@@ -53,9 +53,9 @@
#include <linux/delay.h>
#include <linux/types.h>
#include <linux/pinctrl/consumer.h>
+#include <linux/sizes.h>
#include <asm/io.h>
-#include <asm/sizes.h>
#define UART_NR 14
diff --git a/drivers/tty/serial/imx.c b/drivers/tty/serial/imx.c
index 0af4eec8c7b1..20e911724027 100644
--- a/drivers/tty/serial/imx.c
+++ b/drivers/tty/serial/imx.c
@@ -169,7 +169,6 @@
#define SERIAL_IMX_MAJOR 207
#define MINOR_START 16
#define DEV_NAME "ttymxc"
-#define MAX_INTERNAL_IRQ MXC_INTERNAL_IRQS
/*
* This determines how often we check the modem status signals
@@ -741,10 +740,7 @@ static int imx_startup(struct uart_port *port)
/* do not use RTS IRQ on IrDA */
if (!USE_IRDA(sport)) {
- retval = request_irq(sport->rtsirq, imx_rtsint,
- (sport->rtsirq < MAX_INTERNAL_IRQ) ? 0 :
- IRQF_TRIGGER_FALLING |
- IRQF_TRIGGER_RISING,
+ retval = request_irq(sport->rtsirq, imx_rtsint, 0,
DRIVER_NAME, sport);
if (retval)
goto error_out3;
diff --git a/drivers/tty/serial/mxs-auart.c b/drivers/tty/serial/mxs-auart.c
index ec56d8397aae..2e341b81ff89 100644
--- a/drivers/tty/serial/mxs-auart.c
+++ b/drivers/tty/serial/mxs-auart.c
@@ -33,6 +33,7 @@
#include <linux/delay.h>
#include <linux/io.h>
#include <linux/pinctrl/consumer.h>
+#include <linux/of_device.h>
#include <asm/cacheflush.h>
@@ -675,6 +676,30 @@ static struct uart_driver auart_driver = {
#endif
};
+/*
+ * This function returns 1 if pdev isn't a device instatiated by dt, 0 if it
+ * could successfully get all information from dt or a negative errno.
+ */
+static int serial_mxs_probe_dt(struct mxs_auart_port *s,
+ struct platform_device *pdev)
+{
+ struct device_node *np = pdev->dev.of_node;
+ int ret;
+
+ if (!np)
+ /* no device tree device */
+ return 1;
+
+ ret = of_alias_get_id(np, "serial");
+ if (ret < 0) {
+ dev_err(&pdev->dev, "failed to get alias id: %d\n", ret);
+ return ret;
+ }
+ s->port.line = ret;
+
+ return 0;
+}
+
static int __devinit mxs_auart_probe(struct platform_device *pdev)
{
struct mxs_auart_port *s;
@@ -689,6 +714,12 @@ static int __devinit mxs_auart_probe(struct platform_device *pdev)
goto out;
}
+ ret = serial_mxs_probe_dt(s, pdev);
+ if (ret > 0)
+ s->port.line = pdev->id < 0 ? 0 : pdev->id;
+ else if (ret < 0)
+ goto out_free;
+
pinctrl = devm_pinctrl_get_select_default(&pdev->dev);
if (IS_ERR(pinctrl)) {
ret = PTR_ERR(pinctrl);
@@ -711,7 +742,6 @@ static int __devinit mxs_auart_probe(struct platform_device *pdev)
s->port.membase = ioremap(r->start, resource_size(r));
s->port.ops = &mxs_auart_ops;
s->port.iotype = UPIO_MEM;
- s->port.line = pdev->id < 0 ? 0 : pdev->id;
s->port.fifosize = 16;
s->port.uartclk = clk_get_rate(s->clk);
s->port.type = PORT_IMX;
@@ -728,7 +758,7 @@ static int __devinit mxs_auart_probe(struct platform_device *pdev)
platform_set_drvdata(pdev, s);
- auart_port[pdev->id] = s;
+ auart_port[s->port.line] = s;
mxs_auart_reset(&s->port);
@@ -769,12 +799,19 @@ static int __devexit mxs_auart_remove(struct platform_device *pdev)
return 0;
}
+static struct of_device_id mxs_auart_dt_ids[] = {
+ { .compatible = "fsl,imx23-auart", },
+ { /* sentinel */ }
+};
+MODULE_DEVICE_TABLE(of, mxs_auart_dt_ids);
+
static struct platform_driver mxs_auart_driver = {
.probe = mxs_auart_probe,
.remove = __devexit_p(mxs_auart_remove),
.driver = {
.name = "mxs-auart",
.owner = THIS_MODULE,
+ .of_match_table = mxs_auart_dt_ids,
},
};
@@ -807,3 +844,4 @@ module_init(mxs_auart_init);
module_exit(mxs_auart_exit);
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("Freescale MXS application uart driver");
+MODULE_ALIAS("platform:mxs-auart");
diff --git a/drivers/tty/serial/sh-sci.c b/drivers/tty/serial/sh-sci.c
index 1bd9163bc118..9be296cf7295 100644
--- a/drivers/tty/serial/sh-sci.c
+++ b/drivers/tty/serial/sh-sci.c
@@ -25,6 +25,7 @@
#include <linux/module.h>
#include <linux/errno.h>
+#include <linux/sh_dma.h>
#include <linux/timer.h>
#include <linux/interrupt.h>
#include <linux/tty.h>
@@ -1410,8 +1411,8 @@ static void work_fn_rx(struct work_struct *work)
/* Handle incomplete DMA receive */
struct tty_struct *tty = port->state->port.tty;
struct dma_chan *chan = s->chan_rx;
- struct sh_desc *sh_desc = container_of(desc, struct sh_desc,
- async_tx);
+ struct shdma_desc *sh_desc = container_of(desc,
+ struct shdma_desc, async_tx);
unsigned long flags;
int count;
@@ -1615,9 +1616,9 @@ static bool filter(struct dma_chan *chan, void *slave)
struct sh_dmae_slave *param = slave;
dev_dbg(chan->device->dev, "%s: slave ID %d\n", __func__,
- param->slave_id);
+ param->shdma_slave.slave_id);
- chan->private = param;
+ chan->private = &param->shdma_slave;
return true;
}
@@ -1656,7 +1657,7 @@ static void sci_request_dma(struct uart_port *port)
param = &s->param_tx;
/* Slave ID, e.g., SHDMA_SLAVE_SCIF0_TX */
- param->slave_id = s->cfg->dma_slave_tx;
+ param->shdma_slave.slave_id = s->cfg->dma_slave_tx;
s->cookie_tx = -EINVAL;
chan = dma_request_channel(mask, filter, param);
@@ -1684,7 +1685,7 @@ static void sci_request_dma(struct uart_port *port)
param = &s->param_rx;
/* Slave ID, e.g., SHDMA_SLAVE_SCIF0_RX */
- param->slave_id = s->cfg->dma_slave_rx;
+ param->shdma_slave.slave_id = s->cfg->dma_slave_rx;
chan = dma_request_channel(mask, filter, param);
dev_dbg(port->dev, "%s: RX: got channel %p\n", __func__, chan);
diff --git a/drivers/tty/serial/uartlite.c b/drivers/tty/serial/uartlite.c
index 6cd414341d5e..6579ffdd8e9b 100644
--- a/drivers/tty/serial/uartlite.c
+++ b/drivers/tty/serial/uartlite.c
@@ -216,8 +216,7 @@ static int ulite_startup(struct uart_port *port)
{
int ret;
- ret = request_irq(port->irq, ulite_isr,
- IRQF_SHARED | IRQF_SAMPLE_RANDOM, "uartlite", port);
+ ret = request_irq(port->irq, ulite_isr, IRQF_SHARED, "uartlite", port);
if (ret)
return ret;
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.