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(parent: 6814642) | patch
usb: host: ehci-tegra: Wait for SOF before resume
authorVenkata (Muni) Anda <muni@nvidia.com>
Tue, 29 Mar 2011 06:15:40 +0000 (23:15 -0700)
committerColin Cross <ccross@android.com>
Tue, 29 Mar 2011 23:35:02 +0000 (16:35 -0700)
commit3d540087f3eab4820e1e272794d9b1f8e0af0944
treec626bc9dbeb3d48db8e84f2950f24f7aabe3e794tree | snapshot
parent68146426921d01d8e35ef5eb17fc5753ef716b74commit | diff
usb: host: ehci-tegra: Wait for SOF before resume

Wait for Start Of Frame interrupt, then wait 20 us, before starting
port resume.  Workaround for hardware issue that can cause the SOF to
be sent out at the same time as the phy speed change.

Change-Id: I91ccbd2902448e87aa3cdf1970305de22efa1c10
Signed-off-by: Colin Cross <ccross@android.com>
drivers/usb/host/ehci-tegra.c diff | blob | history
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