Hi,

On 11/28/2017 03:29 PM, Greg Kroah-Hartman wrote:
> On Tue, Nov 28, 2017 at 12:52:24PM +0800, Lu Baolu wrote:
>> This corrects the endpiont type value set to the DbC bulk in endpoint.
>> The previous value doesn't cause any problems because that we now only
>> use the bulk out endpoint. Set the hardware with the correct value any
>> way.
>>
>> Signed-off-by: Lu Baolu <baolu...@linux.intel.com>
>> ---
>>  drivers/usb/early/xhci-dbc.c | 2 +-
>>  1 file changed, 1 insertion(+), 1 deletion(-)
>>
>> diff --git a/drivers/usb/early/xhci-dbc.c b/drivers/usb/early/xhci-dbc.c
>> index 8a700b4..e15e896 100644
>> --- a/drivers/usb/early/xhci-dbc.c
>> +++ b/drivers/usb/early/xhci-dbc.c
>> @@ -328,7 +328,7 @@ static void xdbc_mem_init(void)
>>      ep_in = (struct xdbc_ep_context *)&ctx->in;
>>  
>>      ep_in->ep_info1         = 0;
>> -    ep_in->ep_info2         = cpu_to_le32(EP_TYPE(BULK_OUT_EP) | 
>> MAX_PACKET(1024) | MAX_BURST(max_burst));
>> +    ep_in->ep_info2         = cpu_to_le32(EP_TYPE(BULK_IN_EP) | 
>> MAX_PACKET(1024) | MAX_BURST(max_burst));
> Should this go to the stable kernels?  If so, how far back?
>

This doesn't cause any real problem. We currently only use
the bulk-out endpoint for early-printk. So I don't think there
is a need to back port it.

Best regards,
Lu Baolu
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