| From 4a8fe03b5d9996f0223676cb95584dcb72239152 Mon Sep 17 00:00:00 2001 |
| From: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com> |
| Date: Fri, 29 Sep 2017 20:45:00 +0900 |
| Subject: [PATCH 0230/1795] usb: gadget: udc: renesas_usb3: Add suspend/resume |
| functions |
| |
| This patch adds support suspend/resume functions |
| |
| Signed-off-by: Kazuya Mizuguchi <kazuya.mizuguchi.ks@renesas.com> |
| [shimoda: add the commit log] |
| Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com> |
| Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com> |
| |
| (cherry picked from commit 90d588642a7ff598533f68c2f56ee64657a40186) |
| Signed-off-by: Simon Horman <horms+renesas@verge.net.au> |
| Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> |
| --- |
| drivers/usb/gadget/udc/renesas_usb3.c | 34 +++++++++++++++++++++++++++ |
| 1 file changed, 34 insertions(+) |
| |
| diff --git a/drivers/usb/gadget/udc/renesas_usb3.c b/drivers/usb/gadget/udc/renesas_usb3.c |
| index 3f662e524300..3368cb1ac51c 100644 |
| --- a/drivers/usb/gadget/udc/renesas_usb3.c |
| +++ b/drivers/usb/gadget/udc/renesas_usb3.c |
| @@ -2668,11 +2668,45 @@ static int renesas_usb3_probe(struct platform_device *pdev) |
| return ret; |
| } |
| |
| +#ifdef CONFIG_PM_SLEEP |
| +static int renesas_usb3_suspend(struct device *dev) |
| +{ |
| + struct renesas_usb3 *usb3 = dev_get_drvdata(dev); |
| + |
| + /* Not started */ |
| + if (!usb3->driver) |
| + return 0; |
| + |
| + renesas_usb3_stop_controller(usb3); |
| + pm_runtime_put(dev); |
| + |
| + return 0; |
| +} |
| + |
| +static int renesas_usb3_resume(struct device *dev) |
| +{ |
| + struct renesas_usb3 *usb3 = dev_get_drvdata(dev); |
| + |
| + /* Not started */ |
| + if (!usb3->driver) |
| + return 0; |
| + |
| + pm_runtime_get_sync(dev); |
| + renesas_usb3_init_controller(usb3); |
| + |
| + return 0; |
| +} |
| +#endif |
| + |
| +static SIMPLE_DEV_PM_OPS(renesas_usb3_pm_ops, renesas_usb3_suspend, |
| + renesas_usb3_resume); |
| + |
| static struct platform_driver renesas_usb3_driver = { |
| .probe = renesas_usb3_probe, |
| .remove = renesas_usb3_remove, |
| .driver = { |
| .name = (char *)udc_name, |
| + .pm = &renesas_usb3_pm_ops, |
| .of_match_table = of_match_ptr(usb3_of_match), |
| }, |
| }; |
| -- |
| 2.19.0 |
| |