On 05/09/2012 07:22 PM, Sergei Shtylyov :
> Hello.
>
> On 09-05-2012 12:48, Nicolas Ferre wrote:
>
>> A possible race condition appears because we are not initializing
>> the ohci->regs before calling usb_hcd_request_irqs().
>> We move the call to ohci_init() in hcd->driver->reset() instead of
>> hcd->driver->start() to fix this.
>> This was experienced when we share the same IRQ line between OHCI and
>> EHCI
>> controllers.
>
>> Signed-off-by: Nicolas Ferre<nicolas.ferre@xxxxxxxxx>
>> Tested-by: Christian Eggers<christian.eggers@xxxxxxxxxxx>
>> Cc: stable<stable@xxxxxxxxxxxxxxx>
>> ---
>> drivers/usb/host/ohci-at91.c | 11 ++++++++++-
>> 1 file changed, 10 insertions(+), 1 deletion(-)
>
>> diff --git a/drivers/usb/host/ohci-at91.c b/drivers/usb/host/ohci-at91.c
>> index 13ebeca..55d3d64 100644
>> --- a/drivers/usb/host/ohci-at91.c
>> +++ b/drivers/usb/host/ohci-at91.c
>> @@ -223,7 +223,7 @@ static void __devexit usb_hcd_at91_remove(struct
>> usb_hcd *hcd,
>>
>> /*-------------------------------------------------------------------------*/
>>
>>
>> static int __devinit
>> -ohci_at91_start (struct usb_hcd *hcd)
>> +ohci_at91_reset (struct usb_hcd *hcd)
>
> Have you run the patch thru scripts/checkpatch.pl? There should be no
> space between function name and '('.
>
>> {
>> struct at91_usbh_data *board =
>> hcd->self.controller->platform_data;
>> struct ohci_hcd *ohci = hcd_to_ohci (hcd);
>> @@ -233,6 +233,14 @@ ohci_at91_start (struct usb_hcd *hcd)
>> return ret;
>>
>> ohci->num_ports = board->ports;
>> + return 0;
>> +}
>> +
>> +static int __devinit
>> +ohci_at91_start (struct usb_hcd *hcd)
>
> Same here.
>
>> +{
>> + struct ohci_hcd *ohci = hcd_to_ohci (hcd);
>
> And here.
Yes, I have run checkpatch.pl. But I also know that I have to conform to
existing code and the history of the file that I am touching.
This file is using this convention as well as
drivers/usb/host/ohci-hcd.c and several others dealing with USB. So I
kept this style in my patch.
Best regards,
--
Nicolas Ferre
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