linux-kernel - Re: Cleanup of -Wunused-const-variable in drivers/usb/host/xhci-tegra.c

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Date:   Fri, 14 Jun 2019 11:09:27 +0200
From:   Thierry Reding <treding@...dia.com>
To:     Nathan Huckleberry <nhuck@...gle.com>
CC:     <mathias.nyman@...el.com>, <gregkh@...uxfoundation.org>,
        <thierry.reding@...il.com>, <jonathanh@...dia.com>,
        <linux-usb@...r.kernel.org>, <linux-tegra@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>,
        <clang-built-linux@...glegroups.com>
Subject: Re: Cleanup of -Wunused-const-variable in
 drivers/usb/host/xhci-tegra.c

On Thu, Jun 13, 2019 at 11:38:38AM -0700, Nathan Huckleberry wrote:
> Hey all,
> 
> I'm looking into cleaning up ignored warnings in the kernel so we can
> remove compiler flags to ignore warnings.
> 
> There's an unused variable ('mbox_cmd_name') in xhci-tegra.c. Looks
> like it was intended for logging or debugging, but never used. Just
> wanted to reach out to ask the best steps for cleaning this up.
> 
> If the variable is no longer needed I'd like to send a patch to remove it.
> 
> https://github.com/ClangBuiltLinux/linux/issues/533

Feel free to send that patch. If we ever need this debug information
again we can easily add it back by reverting.

Thierry

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