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Date:   Fri, 23 Dec 2016 19:09:23 +0100
From:   Greg KH <>
To:     Jisheng Zhang <>
Subject: Re: [PATCH] serial: 8250_dw: #ifdef out dw8250_acpi_match if ACPI
 isn't set

On Fri, Dec 23, 2016 at 08:33:55PM +0800, Jisheng Zhang wrote:
> dw8250_acpi_match is used only when ACPI is enabled. Fix the following
> gcc warning when W=1 is set:
> drivers/tty/serial/8250/8250_dw.c:640:36: warning: 'dw8250_acpi_match'
> defined but not used [-Wunused-const-variable=]

Don't set W=1 then, this type of "fix" is foolish and is just going to
make code messier, sorry.

greg k-h

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