linux-kernel - [PATCH] gpio: tegra: Fix build error without CONFIG_DEBUG

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Message-ID: <20190705123220.54008-1-yuehaibing@huawei.com>
Date:   Fri, 5 Jul 2019 20:32:20 +0800
From:   YueHaibing <yuehaibing@...wei.com>
To:     <linus.walleij@...aro.org>, <bgolaszewski@...libre.com>,
        <thierry.reding@...il.com>, <jonathanh@...dia.com>
CC:     <linux-kernel@...r.kernel.org>, <linux-gpio@...r.kernel.org>,
        <linux-tegra@...r.kernel.org>, YueHaibing <yuehaibing@...wei.com>
Subject: [PATCH] gpio: tegra: Fix build error without CONFIG_DEBUG_FS

If CONFIG_DEBUG_FS is not set, building fails:

drivers/gpio/gpio-tegra.c: In function tegra_gpio_probe:
drivers/gpio/gpio-tegra.c:665:2: error: implicit declaration of function debugfs_create_file;
 did you mean bus_create_file? [-Werror=implicit-function-declaration]
  debugfs_create_file("tegra_gpio", 0444, NULL, tgi,
  ^~~~~~~~~~~~~~~~~~~
  bus_create_file
drivers/gpio/gpio-tegra.c:666:9: error: tegra_dbg_gpio_fops undeclared (first use in this function);
 did you mean tegra_gpio_pm_ops?
        &tegra_dbg_gpio_fops);
         ^~~~~~~~~~~~~~~~~~~
         tegra_gpio_pm_ops

Reported-by: Hulk Robot <hulkci@...wei.com>
Fixes: a4de43049a1d ("gpio: tegra: Clean-up debugfs initialisation")
Signed-off-by: YueHaibing <yuehaibing@...wei.com>
---
 drivers/gpio/gpio-tegra.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/gpio/gpio-tegra.c b/drivers/gpio/gpio-tegra.c
index 59b99d8..40fd6bd 100644
--- a/drivers/gpio/gpio-tegra.c
+++ b/drivers/gpio/gpio-tegra.c
@@ -662,8 +662,10 @@ static int tegra_gpio_probe(struct platform_device *pdev)
 		}
 	}
 
+#ifdef CONFIG_DEBUG_FS
 	debugfs_create_file("tegra_gpio", 0444, NULL, tgi,
 			    &tegra_dbg_gpio_fops);
+#endif
 
 	return 0;
 }
-- 
2.7.4