linux-kernel - Re: [PATCH v5 2/5] USB: use genalloc for USB HCs with local memory

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Message-ID: <afa2dd70-fdb6-cbcd-2100-210476f891bf@nxp.com>
Date:   Wed, 22 May 2019 10:54:02 +0000
From:   Laurentiu Tudor <laurentiu.tudor@....com>
To:     Fredrik Noring <noring@...rew.org>
CC:     "hch@....de" <hch@....de>,
        "stern@...land.harvard.edu" <stern@...land.harvard.edu>,
        "gregkh@...uxfoundation.org" <gregkh@...uxfoundation.org>,
        "linux-usb@...r.kernel.org" <linux-usb@...r.kernel.org>,
        "marex@...x.de" <marex@...x.de>, Leo Li <leoyang.li@....com>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "robin.murphy@....com" <robin.murphy@....com>,
        "JuergenUrban@....de" <JuergenUrban@....de>
Subject: Re: [PATCH v5 2/5] USB: use genalloc for USB HCs with local memory


On 21.05.2019 18:27, Fredrik Noring wrote:
> Thanks Laurentiu!
> 
>> --- a/include/linux/usb/hcd.h
>> +++ b/include/linux/usb/hcd.h
>> @@ -216,6 +216,9 @@ struct usb_hcd {
>>   #define	HC_IS_RUNNING(state) ((state) & __ACTIVE)
>>   #define	HC_IS_SUSPENDED(state) ((state) & __SUSPEND)
>>   
>> +	/* allocator for HCs having local memory */
>> +	struct gen_pool         *localmem_pool;
>> +
> 
> I have tested patches 1, 2 and 5, and they seem to work. Nice! 

Great! Thanks for testing. I'll add your Tested-By tags on the patches 
you mentioned.

> May I suggest clarifying the NULL pointers? I think that may help someone
> debugging or maintaining this in the future. Something like this:

Sure, will include in v6.

---
Best Regards, Laurentiu