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Wed, 04 Nov 2020 11:36:48 -0800 (PST) Received: from dell.default ([91.110.221.242]) by smtp.gmail.com with ESMTPSA id x10sm4034444wrp.62.2020.11.04.11.36.47 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 04 Nov 2020 11:36:47 -0800 (PST) From: Lee Jones To: lee.jones@linaro.org Subject: [PATCH 34/36] tty: serial: pmac_zilog: Make disposable variable __always_unused Date: Wed, 4 Nov 2020 19:35:47 +0000 Message-Id: <20201104193549.4026187-35-lee.jones@linaro.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20201104193549.4026187-1-lee.jones@linaro.org> References: <20201104193549.4026187-1-lee.jones@linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Greg Kroah-Hartman , linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org, Paul Mackerras , linux-serial@vger.kernel.org, Jiri Slaby Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" Fixes the following W=1 kernel build warning(s): drivers/tty/serial/pmac_zilog.h:365:58: warning: variable ‘garbage’ set but not used [-Wunused-but-set-variable] Cc: Greg Kroah-Hartman Cc: Jiri Slaby Cc: Michael Ellerman Cc: Benjamin Herrenschmidt Cc: Paul Mackerras Cc: linux-serial@vger.kernel.org Cc: linuxppc-dev@lists.ozlabs.org Signed-off-by: Lee Jones --- drivers/tty/serial/pmac_zilog.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/tty/serial/pmac_zilog.h b/drivers/tty/serial/pmac_zilog.h index bb874e76810e0..968aec7c1cf82 100644 --- a/drivers/tty/serial/pmac_zilog.h +++ b/drivers/tty/serial/pmac_zilog.h @@ -362,7 +362,7 @@ static inline void zssync(struct uart_pmac_port *port) /* Misc macros */ #define ZS_CLEARERR(port) (write_zsreg(port, 0, ERR_RES)) -#define ZS_CLEARFIFO(port) do { volatile unsigned char garbage; \ +#define ZS_CLEARFIFO(port) do { volatile unsigned char __always_unused garbage; \ garbage = read_zsdata(port); \ garbage = read_zsdata(port); \ garbage = read_zsdata(port); \ -- 2.25.1