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| author | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2016-11-11 16:22:27 -0300 |
|---|---|---|
| committer | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2016-11-11 16:22:27 -0300 |
| commit | 29f5b648fa0b31ad614c78468b9279e5fa96397a (patch) | |
| tree | 385e76324c4e95e90b16889937e7c24e6f7d4f4a /drivers/usb/renesas_usbhs | |
| parent | 1eae9639aac0f8de4d284f567ec722a822b52513 (diff) | |
Linux-libre 4.8.7-gnupck-4.8.7-gnu
Diffstat (limited to 'drivers/usb/renesas_usbhs')
| -rw-r--r-- | drivers/usb/renesas_usbhs/rcar3.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/drivers/usb/renesas_usbhs/rcar3.c b/drivers/usb/renesas_usbhs/rcar3.c index 1d70add92..d544b331c 100644 --- a/drivers/usb/renesas_usbhs/rcar3.c +++ b/drivers/usb/renesas_usbhs/rcar3.c @@ -9,6 +9,7 @@ * */ +#include <linux/delay.h> #include <linux/io.h> #include "common.h" #include "rcar3.h" @@ -35,10 +36,13 @@ static int usbhs_rcar3_power_ctrl(struct platform_device *pdev, usbhs_write32(priv, UGCTRL2, UGCTRL2_RESERVED_3 | UGCTRL2_USB0SEL_OTG); - if (enable) + if (enable) { usbhs_bset(priv, LPSTS, LPSTS_SUSPM, LPSTS_SUSPM); - else + /* The controller on R-Car Gen3 needs to wait up to 45 usec */ + udelay(45); + } else { usbhs_bset(priv, LPSTS, LPSTS_SUSPM, 0); + } return 0; } |