diff options
| author | Ingo Molnar <mingo@kernel.org> | 2016-11-11 08:25:07 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2016-11-11 08:25:07 +0100 |
| commit | 4c8ee71620d734c8ad129fad085167f56f9ce351 (patch) | |
| tree | 87208b0144aa664c96dd8b43bbcaaf1f25af606b /drivers/usb/renesas_usbhs/rcar3.c | |
| parent | c7faee2109f978f3ef826c48b7e60609061fda4f (diff) | |
| parent | 27bcd37e0240bbe33f0efe244b5aad52104115b3 (diff) | |
Merge branch 'linus' into locking/core, to pick up fixes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'drivers/usb/renesas_usbhs/rcar3.c')
| -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 1d70add926f0..d544b331c9f2 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; } |