mtd: nand: gpio: Convert to use GPIO descriptors

There is exactly one board in the kernel that defines platform data
for the GPIO NAND driver.

Use the feature to provide a lookup table for the GPIOs in the board
file so we can convert the driver as a whole to just use GPIO
descriptors.

After this we can cut the use of <linux/of_gpio.h> and use the GPIO
descriptor management from <linux/gpio/consumer.h> alone to grab and use
the GPIOs used in the driver.

I also created a local struct device *dev in the probe() function
because I was getting annoyed with all the &pdev->dev dereferencing.

Cc: arm@kernel.org
Cc: Mike Rapoport <rppt@linux.vnet.ibm.com>
Cc: Frans Klaver <fransklaver@gmail.com>
Cc: Gerhard Sittig <gsi@denx.de>
Cc: Jamie Iles <jamie.iles@oracle.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Reviewed-by: Marek Vasut <marek.vasut@gmail.com>
Acked-by: Jamie Iles <jamie.iles@oracle.com>
Acked-by: Olof Johansson <olof@lixom.net>
Acked-by: Robert Jarzmik <robert.jarzmik@free.fr>
Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>

1 files changed, 0 insertions, 5 deletions

diff --git a/include/linux/mtd/nand-gpio.h b/include/linux/mtd/nand-gpio.h
index be4f45d89be2..98f71908212d 100644
--- a/include/linux/mtd/nand-gpio.h
+++ b/include/linux/mtd/nand-gpio.h
@@ -4,11 +4,6 @@
 #include <linux/mtd/rawnand.h>
 
 struct gpio_nand_platdata {
-        int     gpio_nce;
-        int     gpio_nwp;
-        int     gpio_cle;
-        int     gpio_ale;
-        int     gpio_rdy;
         void    (*adjust_parts)(struct gpio_nand_platdata *, size_t);
         struct mtd_partition *parts;
         unsigned int num_parts;