linux-kernel - [PATCH 1/2] serial: sh-sci: mark OF related data as maybe unused

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Date:   Fri, 10 Mar 2023 23:29:56 +0100
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Jiri Slaby <jirislaby@...nel.org>,
        Orson Zhai <orsonzhai@...il.com>,
        Baolin Wang <baolin.wang@...ux.alibaba.com>,
        Chunyan Zhang <zhang.lyra@...il.com>,
        linux-serial@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:     Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Subject: [PATCH 1/2] serial: sh-sci: mark OF related data as maybe unused

The driver can be compile tested with !CONFIG_OF making certain data
unused:

  drivers/tty/serial/sh-sci.c:3144:34: error: ‘of_sci_match’ defined but not used [-Werror=unused-const-variable=]

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
---
 drivers/tty/serial/sh-sci.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/tty/serial/sh-sci.c b/drivers/tty/serial/sh-sci.c
index 7bd080720929..a12aa8ff2d51 100644
--- a/drivers/tty/serial/sh-sci.c
+++ b/drivers/tty/serial/sh-sci.c
@@ -3141,7 +3141,7 @@ static int sci_remove(struct platform_device *dev)
 #define SCI_OF_TYPE(data)		((unsigned long)(data) >> 16)
 #define SCI_OF_REGTYPE(data)		((unsigned long)(data) & 0xffff)
 
-static const struct of_device_id of_sci_match[] = {
+static const struct of_device_id of_sci_match[] __maybe_unused = {
 	/* SoC-specific types */
 	{
 		.compatible = "renesas,scif-r7s72100",
-- 
2.34.1