diff options
| author | Fugang Duan <b38611@freescale.com> | 2015-08-31 11:39:15 +0800 |
|---|---|---|
| committer | Jason Liu <jason.hui.liu@nxp.com> | 2019-02-12 10:22:59 +0800 |
| commit | cc95143dfcd4fc1d1ac934154e6449586e63c7bf (patch) | |
| tree | 6be4b1514fe8d44b7d26ab01a4ba9fcb619e164f /drivers/tty/serial/imx.c | |
| parent | a8e62d1552a6fe539718649f6df22d295b95d4eb (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 4274b1a49e4e..db64773d3651 100644 --- a/drivers/tty/serial/imx.c +++ b/drivers/tty/serial/imx.c @@ -2324,6 +2324,8 @@ static int imx_serial_port_suspend_noirq(struct device *dev) clk_disable(sport->clk_ipg); + pinctrl_pm_select_sleep_state(dev); + return 0; } @@ -2333,6 +2335,8 @@ 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; |