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tty: serial: simplify getting .drvdata 

We should get drvdata from struct device directly. Going via
platform_device is an unneeded step back and forth.

Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Acked-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Acked-by: Michal Simek <michal.simek@xilinx.com>
Acked-by: Patrice Chotard <patrice.chotard@st.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Wolfram Sang 2018-04-19 16:06:23 +02:00 committed by Greg Kroah-Hartman
parent 60cc43fc88
commit a406c4b809
4 changed files with 12 additions and 24 deletions
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18
drivers/tty/serial/imx.c
View File

@ -2408,8 +2408,7 @@ static void imx_uart_enable_wakeup(struct imx_port *sport, bool on)
static int imx_uart_suspend_noirq(struct device *dev)
{
struct platform_device *pdev = to_platform_device(dev);
struct imx_port *sport = platform_get_drvdata(pdev);
struct imx_port *sport = dev_get_drvdata(dev);
imx_uart_save_context(sport);
@ -2420,8 +2419,7 @@ static int imx_uart_suspend_noirq(struct device *dev)
static int imx_uart_resume_noirq(struct device *dev)
{
struct platform_device *pdev = to_platform_device(dev);
struct imx_port *sport = platform_get_drvdata(pdev);
struct imx_port *sport = dev_get_drvdata(dev);
int ret;
ret = clk_enable(sport->clk_ipg);
@ -2435,8 +2433,7 @@ static int imx_uart_resume_noirq(struct device *dev)
static int imx_uart_suspend(struct device *dev)
{
struct platform_device *pdev = to_platform_device(dev);
struct imx_port *sport = platform_get_drvdata(pdev);
struct imx_port *sport = dev_get_drvdata(dev);
int ret;
uart_suspend_port(&imx_uart_uart_driver, &sport->port);
@ -2454,8 +2451,7 @@ static int imx_uart_suspend(struct device *dev)
static int imx_uart_resume(struct device *dev)
{
struct platform_device *pdev = to_platform_device(dev);
struct imx_port *sport = platform_get_drvdata(pdev);
struct imx_port *sport = dev_get_drvdata(dev);
/* disable wakeup from i.MX UART */
imx_uart_enable_wakeup(sport, false);
@ -2470,8 +2466,7 @@ static int imx_uart_resume(struct device *dev)
static int imx_uart_freeze(struct device *dev)
{
struct platform_device *pdev = to_platform_device(dev);
struct imx_port *sport = platform_get_drvdata(pdev);
struct imx_port *sport = dev_get_drvdata(dev);
uart_suspend_port(&imx_uart_uart_driver, &sport->port);
@ -2480,8 +2475,7 @@ static int imx_uart_freeze(struct device *dev)
static int imx_uart_thaw(struct device *dev)
{
struct platform_device *pdev = to_platform_device(dev);
struct imx_port *sport = platform_get_drvdata(pdev);
struct imx_port *sport = dev_get_drvdata(dev);
uart_resume_port(&imx_uart_uart_driver, &sport->port);

6
drivers/tty/serial/qcom_geni_serial.c
View File

@ -1085,8 +1085,7 @@ static int qcom_geni_serial_remove(struct platform_device *pdev)
static int __maybe_unused qcom_geni_serial_sys_suspend_noirq(struct device *dev)
{
struct platform_device *pdev = to_platform_device(dev);
struct qcom_geni_serial_port *port = platform_get_drvdata(pdev);
struct qcom_geni_serial_port *port = dev_get_drvdata(dev);
struct uart_port *uport = &port->uport;
uart_suspend_port(uport->private_data, uport);
@ -1095,8 +1094,7 @@ static int __maybe_unused qcom_geni_serial_sys_suspend_noirq(struct device *dev)
static int __maybe_unused qcom_geni_serial_sys_resume_noirq(struct device *dev)
{
struct platform_device *pdev = to_platform_device(dev);
struct qcom_geni_serial_port *port = platform_get_drvdata(pdev);
struct qcom_geni_serial_port *port = dev_get_drvdata(dev);
struct uart_port *uport = &port->uport;
if (console_suspend_enabled && uport->suspended) {

6
drivers/tty/serial/st-asc.c
View File

@ -842,16 +842,14 @@ static int asc_serial_remove(struct platform_device *pdev)
#ifdef CONFIG_PM_SLEEP
static int asc_serial_suspend(struct device *dev)
{
struct platform_device *pdev = to_platform_device(dev);
struct uart_port *port = platform_get_drvdata(pdev);
struct uart_port *port = dev_get_drvdata(dev);
return uart_suspend_port(&asc_uart_driver, port);
}
static int asc_serial_resume(struct device *dev)
{
struct platform_device *pdev = to_platform_device(dev);
struct uart_port *port = platform_get_drvdata(pdev);
struct uart_port *port = dev_get_drvdata(dev);
return uart_resume_port(&asc_uart_driver, port);
}

6
drivers/tty/serial/xilinx_uartps.c
View File

@ -1430,8 +1430,7 @@ static int cdns_uart_resume(struct device *device)
#endif /* ! CONFIG_PM_SLEEP */
static int __maybe_unused cdns_runtime_suspend(struct device *dev)
{
struct platform_device *pdev = to_platform_device(dev);
struct uart_port *port = platform_get_drvdata(pdev);
struct uart_port *port = dev_get_drvdata(dev);
struct cdns_uart *cdns_uart = port->private_data;
clk_disable(cdns_uart->uartclk);
@ -1441,8 +1440,7 @@ static int __maybe_unused cdns_runtime_suspend(struct device *dev)
static int __maybe_unused cdns_runtime_resume(struct device *dev)
{
struct platform_device *pdev = to_platform_device(dev);
struct uart_port *port = platform_get_drvdata(pdev);
struct uart_port *port = dev_get_drvdata(dev);
struct cdns_uart *cdns_uart = port->private_data;
clk_enable(cdns_uart->pclk);