gpio: crystalcove: Fix implicit declaration of function 'seq_printf' error
drivers/gpio/gpio-crystalcove.c: In function 'crystalcove_gpio_dbg_show':
drivers/gpio/gpio-crystalcove.c:286:3: error: implicit declaration of function 'seq_printf'
seq_printf(s, " gpio-%-2d %s %s %s %s ctlo=%2x,%s %s %s\n",
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Acked-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
diff --git a/drivers/gpio/gpio-crystalcove.c b/drivers/gpio/gpio-crystalcove.c
index 5a98499..934462f 100644
--- a/drivers/gpio/gpio-crystalcove.c
+++ b/drivers/gpio/gpio-crystalcove.c
@@ -18,6 +18,7 @@
#include <linux/interrupt.h>
#include <linux/platform_device.h>
#include <linux/gpio.h>
+#include <linux/seq_file.h>
#include <linux/bitops.h>
#include <linux/regmap.h>
#include <linux/mfd/intel_soc_pmic.h>
