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USB: Fix speed detection on EHCI cntr with root hub transaction translators

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This patch fixes an issue that the speed of USB devices was not detected
correctly on some EHCI controllers. This will be used on the upcoming VCT
EHCI support.

Signed-off-by: Stefan Roese <sr@denx.de>
Signed-off-by: Remy Bohmer <linux@bohmer.net>
This commit is contained in:
Stefan Roese 2009-01-21 17:12:01 +01:00 committed by Remy Bohmer
parent 20cc06611e
commit 597eb28bd9
1 changed files with 16 additions and 1 deletions
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17
drivers/usb/usb_ehci_core.c
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@ -546,7 +546,22 @@ ehci_submit_root(struct usb_device *dev, unsigned long pipe, void *buffer,
}
if (reg & EHCI_PS_PP)
tmpbuf[1] |= USB_PORT_STAT_POWER >> 8;
tmpbuf[1] |= USB_PORT_STAT_HIGH_SPEED >> 8;
if (ehci_is_TDI()) {
switch ((reg >> 26) & 3) {
case 0:
break;
case 1:
tmpbuf[1] |= USB_PORT_STAT_LOW_SPEED >> 8;
break;
case 2:
default:
tmpbuf[1] |= USB_PORT_STAT_HIGH_SPEED >> 8;
break;
}
} else {
tmpbuf[1] |= USB_PORT_STAT_HIGH_SPEED >> 8;
}
if (reg & EHCI_PS_CSC)
tmpbuf[2] |= USB_PORT_STAT_C_CONNECTION;