[PATCH 1/2] usb: xhci-mtk: check hcc_params after adding primary hcd

Mathias Nyman mathias.nyman at linux.intel.com
Wed Mar 8 03:08:22 PST 2017


On 08.03.2017 02:51, Chunfeng Yun wrote:
> On Tue, 2017-03-07 at 17:10 +0200, Mathias Nyman wrote:
>> On 07.03.2017 05:32, Chunfeng Yun wrote:
>>> hcc_params is set in xhci_gen_setup() called from usb_add_hcd(),
>>> so checks the Maximum Primary Stream Array Size in the hcc_params
>>> register after adding primary hcd.
>>>
>>> Signed-off-by: Chunfeng Yun <chunfeng.yun at mediatek.com>
>>
>> Thanks.
>> Looks like streams check has never worked for Mediatek xHC hosts,
>>
>> Do you know if this has caused any issues?
>> looks like it should go usb-linus and maybe stable kernels as well.
> No issues on mt8173, because it doesn't support bulk stream. But it
> causes a issue on the newest SoC which is not upstreamed, so I think it
> needn't go stable kernels.
>

Ok, thanks, skipping stable

-Mathias




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