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| author | Rodolfo Giometti <giometti@enneenne.com> | 2007-04-23 13:10:52 +0200 |
|---|---|---|
| committer | Markus Klotzbuecher <mk@pollux.denx.de> | 2007-04-23 13:10:52 +0200 |
| commit | d98c0885ad617fccf21e7c26ef8cb728fbfb2459 (patch) | |
| tree | 57b8a7d95461e2a50a50aa27ef3d45a4008ad281 /drivers | |
| parent | 822af351ad2babc7d99033361a5fcacd30f6bc78 (diff) | |
| download | u-boot-imx-d98c0885ad617fccf21e7c26ef8cb728fbfb2459.zip u-boot-imx-d98c0885ad617fccf21e7c26ef8cb728fbfb2459.tar.gz u-boot-imx-d98c0885ad617fccf21e7c26ef8cb728fbfb2459.tar.bz2 | |
USB: (Another) delay for crappy USB keys.
Some USB keys are slow in giving back an answer when the Root HUB
enables power lines.
Signed-off-by: Rodolfo Giometti <giometti@linux.it>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/usb_ohci.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/usb_ohci.c b/drivers/usb_ohci.c index 1c3f622..70cb6a3 100644 --- a/drivers/usb_ohci.c +++ b/drivers/usb_ohci.c @@ -1169,7 +1169,9 @@ pkt_print(dev, pipe, buffer, transfer_len, cmd, "SUB(rh)", usb_pipein(pipe)); WR_RH_PORTSTAT (RH_PS_PRS); OK (0); case (RH_PORT_POWER): - WR_RH_PORTSTAT (RH_PS_PPS ); OK (0); + WR_RH_PORTSTAT (RH_PS_PPS ); + wait_ms(100); + OK (0); case (RH_PORT_ENABLE): /* BUG IN HUP CODE *********/ if (RD_RH_PORTSTAT & RH_PS_CCS) WR_RH_PORTSTAT (RH_PS_PES ); |