From d98c0885ad617fccf21e7c26ef8cb728fbfb2459 Mon Sep 17 00:00:00 2001 From: Rodolfo Giometti Date: Mon, 23 Apr 2007 13:10:52 +0200 Subject: 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 --- drivers/usb_ohci.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) (limited to 'drivers/usb_ohci.c') 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 ); -- cgit v1.1