linux-kernel - [PATCH] MIPS: alchemy: Fix build breakage, if TOUCHSCREEN

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Message-Id: <20201005094219.49254-1-tsbogend@alpha.franken.de>
Date:   Mon,  5 Oct 2020 11:42:19 +0200
From:   Thomas Bogendoerfer <tsbogend@...ha.franken.de>
To:     linux-mips@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH] MIPS: alchemy: Fix build breakage, if TOUCHSCREEN_WM97XX is disabled

Only include wm97xx touchscreen probing code, if driver is enabled.

Reported-by: kernel test robot <lkp@...el.com>
Signed-off-by: Thomas Bogendoerfer <tsbogend@...ha.franken.de>
---
 arch/mips/alchemy/devboards/db1300.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/arch/mips/alchemy/devboards/db1300.c b/arch/mips/alchemy/devboards/db1300.c
index 8ac1f56ee57d..cd72eaa1168f 100644
--- a/arch/mips/alchemy/devboards/db1300.c
+++ b/arch/mips/alchemy/devboards/db1300.c
@@ -731,6 +731,7 @@ static struct platform_device db1300_lcd_dev = {
 
 /**********************************************************************/
 
+#if IS_ENABLED(CONFIG_TOUCHSCREEN_WM97XX)
 static void db1300_wm97xx_irqen(struct wm97xx *wm, int enable)
 {
 	if (enable)
@@ -762,6 +763,12 @@ static int db1300_wm97xx_probe(struct platform_device *pdev)
 
 	return wm97xx_register_mach_ops(wm, &db1300_wm97xx_ops);
 }
+#else
+static int db1300_wm97xx_probe(struct platform_device *pdev)
+{
+	return -ENODEV;
+}
+#endif
 
 static struct platform_driver db1300_wm97xx_driver = {
 	.driver.name	= "wm97xx-touch",
-- 
2.16.4