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path: root/drivers/tty/serial/qcom_geni_serial.c
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Diffstat (limited to 'drivers/tty/serial/qcom_geni_serial.c')
-rw-r--r--drivers/tty/serial/qcom_geni_serial.c36
1 files changed, 11 insertions, 25 deletions
diff --git a/drivers/tty/serial/qcom_geni_serial.c b/drivers/tty/serial/qcom_geni_serial.c
index 291649f02821..23d729ed3bf6 100644
--- a/drivers/tty/serial/qcom_geni_serial.c
+++ b/drivers/tty/serial/qcom_geni_serial.c
@@ -818,7 +818,6 @@ static irqreturn_t qcom_geni_serial_isr(int isr, void *dev)
u32 s_irq_status;
u32 geni_status;
struct uart_port *uport = dev;
- unsigned long flags;
bool drop_rx = false;
struct tty_port *tport = &uport->state->port;
struct qcom_geni_serial_port *port = to_dev_port(uport, uport);
@@ -826,7 +825,8 @@ static irqreturn_t qcom_geni_serial_isr(int isr, void *dev)
if (uport->suspended)
return IRQ_NONE;
- spin_lock_irqsave(&uport->lock, flags);
+ spin_lock(&uport->lock);
+
m_irq_status = readl(uport->membase + SE_GENI_M_IRQ_STATUS);
s_irq_status = readl(uport->membase + SE_GENI_S_IRQ_STATUS);
geni_status = readl(uport->membase + SE_GENI_STATUS);
@@ -861,7 +861,7 @@ static irqreturn_t qcom_geni_serial_isr(int isr, void *dev)
qcom_geni_serial_handle_rx(uport, drop_rx);
out_unlock:
- uart_unlock_and_check_sysrq(uport, flags);
+ uart_unlock_and_check_sysrq(uport);
return IRQ_HANDLED;
}
@@ -1177,12 +1177,6 @@ static inline void qcom_geni_serial_enable_early_read(struct geni_se *se,
struct console *con) { }
#endif
-static int qcom_geni_serial_earlycon_exit(struct console *con)
-{
- geni_remove_earlycon_icc_vote();
- return 0;
-}
-
static struct qcom_geni_private_data earlycon_private_data;
static int __init qcom_geni_serial_earlycon_setup(struct earlycon_device *dev,
@@ -1233,7 +1227,6 @@ static int __init qcom_geni_serial_earlycon_setup(struct earlycon_device *dev,
writel(stop_bit_len, uport->membase + SE_UART_TX_STOP_BIT_LEN);
dev->con->write = qcom_geni_serial_earlycon_write;
- dev->con->exit = qcom_geni_serial_earlycon_exit;
dev->con->setup = NULL;
qcom_geni_serial_enable_early_read(&se, dev->con);
@@ -1433,14 +1426,14 @@ static int qcom_geni_serial_probe(struct platform_device *pdev)
if (of_property_read_bool(pdev->dev.of_node, "cts-rts-swap"))
port->cts_rts_swap = true;
- port->se.opp_table = dev_pm_opp_set_clkname(&pdev->dev, "se");
- if (IS_ERR(port->se.opp_table))
- return PTR_ERR(port->se.opp_table);
+ ret = devm_pm_opp_set_clkname(&pdev->dev, "se");
+ if (ret)
+ return ret;
/* OPP table is optional */
- ret = dev_pm_opp_of_add_table(&pdev->dev);
+ ret = devm_pm_opp_of_add_table(&pdev->dev);
if (ret && ret != -ENODEV) {
dev_err(&pdev->dev, "invalid OPP table in device tree\n");
- goto put_clkname;
+ return ret;
}
port->private_data.drv = drv;
@@ -1450,7 +1443,7 @@ static int qcom_geni_serial_probe(struct platform_device *pdev)
ret = uart_add_one_port(drv, uport);
if (ret)
- goto err;
+ return ret;
irq_set_status_flags(uport->irq, IRQ_NOAUTOEN);
ret = devm_request_irq(uport->dev, uport->irq, qcom_geni_serial_isr,
@@ -1458,7 +1451,7 @@ static int qcom_geni_serial_probe(struct platform_device *pdev)
if (ret) {
dev_err(uport->dev, "Failed to get IRQ ret %d\n", ret);
uart_remove_one_port(drv, uport);
- goto err;
+ return ret;
}
/*
@@ -1475,16 +1468,11 @@ static int qcom_geni_serial_probe(struct platform_device *pdev)
if (ret) {
device_init_wakeup(&pdev->dev, false);
uart_remove_one_port(drv, uport);
- goto err;
+ return ret;
}
}
return 0;
-err:
- dev_pm_opp_of_remove_table(&pdev->dev);
-put_clkname:
- dev_pm_opp_put_clkname(port->se.opp_table);
- return ret;
}
static int qcom_geni_serial_remove(struct platform_device *pdev)
@@ -1492,8 +1480,6 @@ static int qcom_geni_serial_remove(struct platform_device *pdev)
struct qcom_geni_serial_port *port = platform_get_drvdata(pdev);
struct uart_driver *drv = port->private_data.drv;
- dev_pm_opp_of_remove_table(&pdev->dev);
- dev_pm_opp_put_clkname(port->se.opp_table);
dev_pm_clear_wake_irq(&pdev->dev);
device_init_wakeup(&pdev->dev, false);
uart_remove_one_port(drv, &port->uport);