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Message-ID: <851f1804-4156-0b37-0bbd-598bdbb2abfa@infradead.org>
Date:   Fri, 4 Mar 2022 07:27:54 -0800
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Subject: Re: [PATCH v1 0/4] support USB offload feature
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To:     Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        Daehwan Jung <dh10.jung@samsung.com>
Cc:     Mathias Nyman <mathias.nyman@intel.com>,
        "open list:USB XHCI DRIVER" <linux-usb@vger.kernel.org>,
        open list <linux-kernel@vger.kernel.org>,
        Howard Yen <howardyen@google.com>,
        Jack Pham <jackp@codeaurora.org>,
        Puma Hsu <pumahsu@google.com>,
        "J . Avila" <elavila@google.com>,
        "chihhao . chen" <chihhao.chen@mediatek.com>, sc.suh@samsung.com,
        cpgs@samsung.com, cpgsproxy5@samsung.com
References: <CGME20220304062609epcas2p1b9e2720d2d7d66438e1eab92546f46cc@epcas2p1.samsung.com>
 <1027007693.21646375403236.JavaMail.epsvc@epcpadp3>
 <YiHCTgg5Ibv9YQvi@kroah.com>
From:   Randy Dunlap <rdunlap@infradead.org>
In-Reply-To: <YiHCTgg5Ibv9YQvi@kroah.com>
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On 3/3/22 23:39, Greg Kroah-Hartman wrote:
> On Fri, Mar 04, 2022 at 03:23:54PM +0900, Daehwan Jung wrote:
>> This patchset is for USB offload feature, which makes Co-processor to use
>> some memories of xhci. Especially it's useful for USB Audio scenario.
>> Audio stream would get shortcut because Co-processor directly write/read
>> data in xhci memories. It could get speed-up using faster memory like SRAM.
>> That's why this also gives vendors flexibilty of memory management.
>> Below pathches have been merged in AOSP kernel(android12-5.10) and I put
>> together and split into 3 patches. Plus let me add user(xhci-exynos) module 
>> to see how user could use it. 
>>
>> To sum up, it's for providing xhci memories to Co-Processor.
>> It would cover DCBAA, Device Context, Tranfer Ring, Event Ring, ERST.
>> It needs xhci hooks and to export some xhci symbols.
>>
>> ANDROID: usb: host: fix slab-out-of-bounds in xhci_vendor_get_ops
>> ANDROID: usb: export built-in tracepoint functions
>> ANDROID: usb: host: Use old init scheme when hook unavailable
>> ANDROID: usb: host: free the offload TR by vendor hook
>> ANDROID: usb: host: xhci: provide function prototype for xhci_address_device
>> ANDROID: usb: host: add bus_suspend/bus_resume to xhci overrides
>> ANDROID: usb: host: add address_device to xhci overrides
>> ANDROID: usb: host: add max packet parameter on alloc_transfer_ring hook
>> ANDROID: usb: host: add xhci hooks for vendor specific container context
>> ANDROID: usb: host: export xhci symbols for ring management
>> ANDROID: usb: host: export additional xhci symbols for ring management
>> FROMLIST: usb: xhci-plat: add xhci_plat_priv_overwrite
>> FROMLIST: usb: host: export symbols for xhci hooks usage
>> FROMLIST: usb: host: add xhci hooks for USB offload
> 
> What does that list of text mean?  You are only submitting 4 patches
> here, not that many.
> 
>>
>> Below are owners of patches.
>>
>> Howard Yen <howardyen@google.com>
>> Jack Pham <jackp@codeaurora.org>
>> Puma Hsu <pumahsu@google.com>
>> J. Avila <elavila@google.com>
>> chihhao.chen <chihhao.chen@mediatek.com>
> 
> What do you mean by this?  Did you loose authorship of the code you just
> submitted?  That's not ok.  You always have to properly credit the
> creators of the changes you submit to us for obvious legal reasons.
> 
> Please fix up and resend this series properly.

Also: Greg might have received the full patch series, but I didn't, so I
checked lore.kernel.org/linux-usb/, and it did not either, so it appears
that there is a problem with sending the full series.

-- 
~Randy