[PATCH v2 06/14] serial: qcom_geni_serial: Convert to use resource-managed OPP API

Dmitry Osipenko
2021-03-11T19:22:38Z

Use resource-managed OPP API to simplify code.

Signed-off-by: Yangtao Li <tiny.windzz@gmail.com>
Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
---
drivers/tty/serial/qcom_geni_serial.c | 24 +++++++++---------------
1 file changed, 9 insertions(+), 15 deletions(-)

diff --git a/drivers/tty/serial/qcom_geni_serial.c b/drivers/tty/serial/qcom_geni_serial.c
index 291649f02821..7c6e029fdb2a 100644
--- a/drivers/tty/serial/qcom_geni_serial.c
+++ b/drivers/tty/serial/qcom_geni_serial.c
@@ -1352,6 +1352,7 @@ static int qcom_geni_serial_probe(struct platform_device *pdev)
int irq;
bool console = false;
struct uart_driver *drv;
+ struct opp_table *opp_table;

if (of_device_is_compatible(pdev->dev.of_node, "qcom,geni-debug-uart"))
console = true;
@@ -1433,14 +1434,14 @@ 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);
+ opp_table = devm_pm_opp_set_clkname(&pdev->dev, "se");
+ if (IS_ERR(opp_table))
+ return PTR_ERR(opp_table);
/* 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 +1451,7 @@ 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 +1459,7 @@ 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 +1476,11 @@ 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 +1488,6 @@ 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);
--
2.29.2