gpio: pca953x: Add missing header(s)

Do not imply that some of the generic headers may be always included.
Instead, include explicitly what we are direct user of.

While at it, sort headers alphabetically.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>

diff --git a/drivers/gpio/gpio-pca953x.c b/drivers/gpio/gpio-pca953x.c
index ebe1943b85dd99f77a7c8883c2759ef666abc703..6e67867e1dcd48ecaf919e44c6e6b8ed53649247 100644 (file)
--- a/drivers/gpio/gpio-pca953x.c
+++ b/drivers/gpio/gpio-pca953x.c
@@ -10,8 +10,8 @@
 
 #include <linux/acpi.h>
 #include <linux/bitmap.h>
-#include <linux/gpio/driver.h>
 #include <linux/gpio/consumer.h>
+#include <linux/gpio/driver.h>
 #include <linux/i2c.h>
 #include <linux/init.h>
 #include <linux/interrupt.h>
@@ -20,6 +20,7 @@
 #include <linux/platform_data/pca953x.h>
 #include <linux/regmap.h>
 #include <linux/regulator/consumer.h>
+#include <linux/seq_file.h>
 #include <linux/slab.h>
 
 #include <asm/unaligned.h>