diff options
| author | Fugang Duan <b38611@freescale.com> | 2015-08-31 11:39:15 +0800 |
|---|---|---|
| committer | Leonard Crestez <leonard.crestez@nxp.com> | 2018-08-24 12:20:30 +0300 |
| commit | 3700f76fb5838e84a99b4f6859f5e48b3f5396e3 (patch) | |
| tree | de072749c635d5d7d339427643b2ec81d036d9ca /drivers/tty/serial/imx.c | |
| parent | 5eb2408a360179f026b1ce233ab8021bcf4c7f00 (diff) | |
MLK-11456-01 tty: serial: imx: add pinctrl sleep mode support
For LPSR mode, UART iomux settings will be lost after resume,
so add pinctrl sleep mode support.
Signed-off-by: Anson Huang <b20788@freescale.com>
Signed-off-by: Fugang Duan <B38611@freescale.com>
Diffstat (limited to 'drivers/tty/serial/imx.c')
| -rw-r--r-- | drivers/tty/serial/imx.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/tty/serial/imx.c b/drivers/tty/serial/imx.c index 0f764ebf176b..8e72fe41f11a 100644 --- a/drivers/tty/serial/imx.c +++ b/drivers/tty/serial/imx.c @@ -2300,6 +2300,8 @@ static int imx_serial_port_suspend_noirq(struct device *dev) clk_disable(sport->clk_ipg); + pinctrl_pm_select_sleep_state(dev); + return 0; } @@ -2309,6 +2311,8 @@ static int imx_serial_port_resume_noirq(struct device *dev) struct imx_port *sport = platform_get_drvdata(pdev); int ret; + pinctrl_pm_select_default_state(dev); + ret = clk_enable(sport->clk_ipg); if (ret) return ret; |