diff options
| author | Peter Chen <peter.chen@freescale.com> | 2014-11-26 13:44:27 +0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2014-11-26 09:28:12 -0800 |
| commit | 6d037db6409c33738c7153e87ae1cf682ca2851b (patch) | |
| tree | 5b52971cfbbdf5c4f587b2d78165b93ceae5ea78 | |
| parent | 4a1d6cf156dcf436e5037375007116197f03bfb1 (diff) | |
usb: chipidea: remove the unnecessary delay after clear portsc.phcd
The individual PHY driver should take this responsibility if it
needs to delay between clear portsc.phcd and let the phy leave
low power mode.
Signed-off-by: Peter Chen <peter.chen@freescale.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | drivers/usb/chipidea/core.c | 10 |
1 files changed, 2 insertions, 8 deletions
diff --git a/drivers/usb/chipidea/core.c b/drivers/usb/chipidea/core.c index cde3d24ebd1..d87caea261d 100644 --- a/drivers/usb/chipidea/core.c +++ b/drivers/usb/chipidea/core.c @@ -196,18 +196,12 @@ static void ci_hdrc_enter_lpm(struct ci_hdrc *ci, bool enable) enum ci_hw_regs reg = ci->hw_bank.lpm ? OP_DEVLC : OP_PORTSC; bool lpm = !!(hw_read(ci, reg, PORTSC_PHCD(ci->hw_bank.lpm))); - if (enable && !lpm) { + if (enable && !lpm) hw_write(ci, reg, PORTSC_PHCD(ci->hw_bank.lpm), PORTSC_PHCD(ci->hw_bank.lpm)); - } else if (!enable && lpm) { + else if (!enable && lpm) hw_write(ci, reg, PORTSC_PHCD(ci->hw_bank.lpm), 0); - /* - * the PHY needs some time (less - * than 1ms) to leave low power mode. - */ - usleep_range(1000, 1100); - } } static int hw_device_init(struct ci_hdrc *ci, void __iomem *base) |