Re: [PATCH] xhci: EHCI/xHCI ports switching on Intense-PC.

From: Sergei Shtylyov
Date: Tue Jul 17 2012 - 08:22:17 EST


On 16-07-2012 20:46, Denis Turischev wrote:

Intense-PC is Compulab's mini-desktop with Intel Panther Point

Unconditional ports switching provided by function
usb_enable_xhci_ports() leads to surprising results, after shutdown
system powered-on again after a few seconds. On Windows power
related problems were not observed.

The patch avoids ports switching for Intense-PC.

Signed-off-by: Denis Turischev <denis@xxxxxxxxxxxxxx>
drivers/usb/host/pci-quirks.c | 7 +++++++
1 file changed, 7 insertions(+)

diff --git a/drivers/usb/host/pci-quirks.c b/drivers/usb/host/pci-quirks.c
index df0828c..6f72593 100644
--- a/drivers/usb/host/pci-quirks.c
+++ b/drivers/usb/host/pci-quirks.c
@@ -759,6 +759,13 @@ void usb_enable_xhci_ports(struct pci_dev *xhci_pdev)
u32 ports_available;

+ const char *brd_name;

Group this declaration with the above one please.

+ brd_name = dmi_get_system_info(DMI_BOARD_NAME);

Could be an initializer...

WBR, Sergei
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