linux-kernel - Re: [PATCH v4 0/5] add xhci-exynos driver

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Message-ID: <20220427094942.GE145620@ubuntu>
Date:   Wed, 27 Apr 2022 18:49:42 +0900
From:   Jung Daehwan <dh10.jung@...sung.com>
To:     Krzysztof Kozlowski <krzk@...nel.org>
Cc:     Mathias Nyman <mathias.nyman@...el.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        "open list:USB XHCI DRIVER" <linux-usb@...r.kernel.org>,
        open list <linux-kernel@...r.kernel.org>,
        Howard Yen <howardyen@...gle.com>,
        Jack Pham <jackp@...eaurora.org>,
        Puma Hsu <pumahsu@...gle.com>,
        "J . Avila" <elavila@...gle.com>, sc.suh@...sung.com,
        Krzysztof Kozlowski <krzysztof.kozlowski@...onical.com>
Subject: Re: [PATCH v4 0/5] add xhci-exynos driver

On Tue, Apr 26, 2022 at 02:46:14PM +0200, Krzysztof Kozlowski wrote:
> On 26/04/2022 11:18, Daehwan Jung wrote:
> > This patchset is for Samsung Exynos xhci host conroller. It uses xhci-plat
> > driver mainly and extends some functions by xhci hooks and overrides.
> > 
> > This driver supports USB offload 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 gives vendors flexibilty of memory management. This feature
> > is done with xhci hooks and overrides.
> > 
> > Changes in v2 :
> > - Fix commit message by adding Signed-off-by in each patch.
> > - Fix conflict on latest.
> > 
> > Changes in v3 :
> > - Remove export symbols and xhci hooks which xhci-exynos don't need.
> > - Modify commit message to clarify why it needs to export symbols.
> > - Check compiling of xhci-exynos.
> > 
> > Changes in v4 :
> > - Modify commit message to clarify why it needs to export symbols.
> > - Add a function for override of hc driver in xhci-plat.
> > - Make xhci-exynos extending xhci-plat by xhci hooks and overrides.
> >   (vendor_init / vendor_cleanup hooks are useful from here v4)
> > - Change the term (USB offload -> xhci-exynos) on subject of patches.
> > 
> 
> You received comments already that you need to base your work on recent
> Linux kernel and use scripts/get_maintainers.pl to notify necessary
> parties. This is the fourth patchset and still you did not do it.
> 
> Maybe there is some misunderstanding or trouble using
> scripts/get_maintainers.pl, so could you clarify:
> 
> 1. What is this based on? Output of: git describe

url = https://kernel.googlesource.com/pub/scm/linux/kernel/git/next/linux-next
fetch = +refs/heads/*:refs/remotes/origin/*

or

url = https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
fetch = +refs/heads/*:refs/remotes/origin/*

> 
> 2. What does the scripts/get_maintainers.pl print when you run on this
> patchset?

I don't see your name in xhci even for whole usb/host directory.
I see same result on above 2 gits.

jdh@...tFormDev3:~/works/mainline/linux-next$ ./scripts/get_maintainer.pl drivers/usb/host/
Greg Kroah-Hartman <gregkh@...uxfoundation.org> (supporter:USB SUBSYSTEM,commit_signer:170/184=92%)
Mathias Nyman <mathias.nyman@...ux.intel.com> (commit_signer:52/184=28%,authored:25/184=14%)
Alan Stern <stern@...land.harvard.edu> (commit_signer:30/184=16%)
Chunfeng Yun <chunfeng.yun@...iatek.com> (commit_signer:23/184=12%,authored:21/184=11%)
linux-usb@...r.kernel.org (open list:USB SUBSYSTEM)
linux-kernel@...r.kernel.org (open list)

> 

In fact, I manually tried adding you as you commendted previous patchset.
But, It seems you changed email id and domain..

Best Regards,
Jung Daehwan

> 
> Best regards,
> Krzysztof
>